G1_DinoLab_Ebook by Uolo

Regular practice with DinoLab improves exam marks by up to 30% 1.5 crore students worldwide

Acknowledgements

Academic Authors: Muskan Panjwani, Natalya Ginzburg

Creative Directors: Alena Sizintseva

Book Production: Larisa Pavlenko, Natalia Karabanova, Anastasia Voitovich

All products and brand names used in this book are trademarks, registered trademarks or trade names of their respective owners.

This book is sold subject to the condition that it shall not by way of trade or otherwise, be lent, resold, hired out, or otherwise circulated without the publisher’s prior written consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser and without limiting the rights under copyright reserved above, no part of this publication may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of both the copyright owner and the abovementioned publisher of this book.

Book Title: DinoLab Math Smartbook 1

ISBN: 978-93-89789-73-7

Published by: Uolo EdTech Private Limited

Corporate Office Address:

91Springboard, 3rd Floor 145, Sector 44, Gurugram, Haryana 122003

CIN: U74999DL2020PTC360472

Printed by: Printpro Solutions

All suggested use of the internet should be under adult supervision.

How to get access to DinoLab

Get access to animated interactive courses, Marathons, Olympiads and much more — all in the Uolo Learn app!

1. Download the "Uolo Learn" app from Google Play (Android) or App Store (iPhone).

2. In the app, click scanner to scan the QR code below.

Class:

Name:

School:

3. Follow the instructions in the app to access the content.

Welcome to DinoLab!

DinoLab is an AI-powered self-learning platform that helps children learn Mathematics and other subjects step by step, at their own pace. Students can practise and revise every topic digitally and through printed smartbooks.

The DinoLab Mathematics Smartbook is a companion to the digital course. Each exercise has a QR code linking to the Uolo Learn app for continued practice.

Using AI, DinoLab creates a personalised learning path: it explains the concept, gives guided practice and adapts if mistakes occur — helping students gain clear understanding.

Digital content is presented as interactive flashcards with 50,000+ gamified exercises and animations, making learning engaging and enjoyable.

DinoLab works in Uolo apps and on multiple devices

To use DinoLab on the web, Smartboards and in computer labs, your school will receive special access for each student and teacher.

Uolo Mobile App SmartboardComputer Lab Smartbooks Tablet and Laptop SMART

How to Use the DinoLab Solution

Once the Uolo Learn app is installed and you are logged in, you can access DinoLab. Our Mathematics course is designed with interactive exercises that help children cover the school syllabus step by step, at their own pace.

1 2 3

Compete and win in Marathons!

• Solve problems and earn points

• Check the leaderboards of your class, school and all of India

• Get achievement certificates

In this Smartbook, you will find QR codes placed next to the exercises. Simply use the QR scanner inside the app to access the interactive content. QR codes in the smartbook

1 2 3

the Uolo Learn app.

1. Pre-number Concepts

Space and Size

1. Cut out the wrong words. One is done for you.

The notebook is in front of / behind the cactus.

The ball is in front of / behind the bag.

The ball is in front of / behind the clock.

The pencil is in front of / behind the clock. above the bird below the bird above the bird

2. Tick ( ) the correct boxes. One is done for you.

3. Tick ( ) the true sentences. Cross ( ) the false ones. Two are done for you.

The cat is above the squirrel.

The cat is below the squirrel.

The squirrel is above the bird.

The squirrel is below the bird.

The bird is above the cat.

The bird is below the cat.

4. Tick ( ) the shortest paintbrush.

Tick ( ) the longest pencil.

5. Tick ( ) the correct picture for each sentence. One is done for you.

The rabbit is between the bear and the fox.

The wolf is beside the bear.

The bear is between the rabbit and the owl.

The fox is beside the wolf.

6. Tick ( ) the correct box. One is done for you.

Tick the smaller object in each pair.

Tick the bigger object in each pair.

Tick the pairs where objects are of same size.

2. Numbers up to 20

Building Numbers 11 to 20

1. Fill in the missing numbers.

2. Count fingers and write the numbers. One is done for you.

3. Write the stop number where each animal is waiting. One is done for you.

1 2 1 3456

is at the stop number is at the stop number is at the stop number is at the stop number 4

4. Count the fruits in each jar. Write the number in the box.

5. Count fingers and write the numbers. One is done for you.

6. Fill in the missing numbers.

7. Fill in the numbers. One is done for you.

Total candies: candies 3

8. Match the number name with the number. Two are done for you. bar box 1 13 cubes Total cubes:

Total pears: Total apples: pears apples

9. Fill in the missing numbers on the balloons. One is done for you.

10. Circle the correct number of cubes. One is done for you.

12 cubes 15 cubes 14 cubes 17 cubes 3

11. Count the number of tens and ones.

Number of cubes: tens and ones

Number of pears: tens and ones

12. Count and fill in the boxes.

Total number of birds:

Total number of pears:

Comparing and Ordering Numbers

13. Tick ( ) the group that has more objects. One is done for you.

Tick the group that has less objects.

14. Draw arrows to put the train coaches in order. One is done for you.

15. Draw the bird’s beak so that it can eat more food. Two are done for you.

16. Tick ( ) the correct one. One is done for you.

Which one is bigger?

Which one is longer?

Which one is taller?

17. Draw arrows to put the train coaches in order. Smallest number first! Two are done for you.

18. Draw arrows to put the train coaches in order. Largest number first!

3. Addition up to 10

Understanding addition

1. One apple is added to each jar. Write how many fruits are there now.

fruits

2. One cube is added. Count them all.

6 + 1 =

7 + 1 =

3. Colour the cubes to match the picture. One is done for you.

4. Fill in the missing numbers in the boxes. Each stack of boxes should add up to 4.

5. Match the pictures with their sums using the lines. One is done for you.

6. Write the sums. One is done for you.

7. Fill in the missing numbers.

8. Fill in the blanks.

9. Colour the cubes to match the picture and write the sums.

10. Fill in the missing numbers in the yellow boxes so that the top and bottom boxes in each column together make the truck’s height (the number given in the last purple box).

11. Match the berry boxes to the trucks. Each truck can carry 10 berries.

12. Fill in the missing numbers.

+ = 9

+ = 10

+ = 9

13. Match the patterns with the sums and fill in the blanks. One is done for you.

14. Solve using the pictures.

There are 4 cupcakes on each of two plates. How many cupcakes are there in total?

+ = cupcakes

Answer: There are cupcakes on two plates.

Dima ate 4 candies, and Kirti ate 3 candies more. How many candies did Kirti eat?

Dima: Kirti:

+ = candies

Answer: Kirti ate candies.

15. Balance the scales. Write any possible answer. One is done for you.

16. The scales are in balance. How much do these things weigh?

4. Subtraction up to 10

Understanding subtraction

1. Count the blue cubes.

2. Where is the grasshopper?

3. Cross the cubes to match the picture. One is done for you.

4. Write the answers.

5. Cross ( ) the balloons that equal 1. One is done for you.

Cross ( ) the balloons that equal 2.

Cross ( ) the balloons that equal 3.

6. Cross the cubes and complete the number sentences. One is done for you.

7. Where is the grasshopper?

8. Write the number sentence for each picture.

9. Fill in the missing numbers using the pictures.

10. Complete the number sentences using the pictures.

11. Fill in the missing numbers.

12. Tick ( ) the task that can be solved by this operation:

8 – 3

Kirti had 8 candies, and Pankaj had 3 candies. How many candies did Kirti and Pankaj have together?

Kirti and Pankaj had 8 of candies together. Pankaj had 3 candies. How many candies did Kirti have?

Kirti had 8 candies, and Pankaj had 3 more. How many candies did Pankaj have?

5 + 4

Priya has 5 storybooks. Arjun has 4 storybooks. How many storybooks do they have together?

Priya has 5 storybooks. Arjun has 4 fewer storybooks than Priya. How many storybooks does Arjun have?

Priya has 5 storybooks. Arjun has 4 storybooks. How many more storybooks does Priya have than Arjun?

13. Balance the scales. Write any possible answer. One is done for you. Challenge!

14. The scales are in balance. How much do these things weigh? Challenge!

5. Shapes and Patterns

All About Shapes

1. Connect the polygons with their names, number of vertices and number of sides. One is done for you.

triangle square

pentagon

3 vertices 4 sides 3 sides 5 sides 4 vertices 5 vertices

2. Draw arrows to feed the elephants. One is done for you.

I eat circles. I eat squares.

4. Connect each shape with its name using lines. One is done for you.

3. Colour the triangles red and the circles blue. One is done for you. triangle rectangle

5. Match the shapes with their names. One is done for you.

6. Colour the triangles blue, the rectangles green and the circles red.

Square Rectangle Circle Triangle Hexagon

7. What does each picture look like? One is done for you.

8. How many line segments and rays are here?

Shapes Around Us

9. Tick ( ) the shapes that look like the given objects. One is done for you.

10. Tick ( ) objects that look like a square.

Tick objects that look like a circle.

Tick objects that look like a triangle.

Tick objects that look like a rectangle.

Patterns

11. Draw shapes to continue the patterns. One is done for you.

12. Tick ( ) the missing shape. One is done for you.

13. Colour shapes to continue the patterns.

14. Colour white shapes to complete the patterns.

15. Draw and colour shapes to continue the patterns.

16. Tick ( ) the missing shapes to complete the pattern.

6. Addition and Subtraction up to 20

Let’s Add

1. Make a sum of 10. Cross out the extra coin. One is done for you.

2. Connect the bubbles that make a sum of 10. One is done for you.

3. Fill in the blanks.

4. Circle the blocks to make 10, then find the sum. One is done for you.

5. Choose baskets to fill each truck with 10 berries, then find the sum. One is done for you.

7. Use number line to

Draw 3 arrows.

8. Add on a number line by making 10.

9. Add the numbers using cubes.

10. Add the numbers.

11. Fill in the missing numbers.

20 13 + = 20 16 + = 20 + 5 = 20

12. Make a sum of 20. Cross out the extra coin. One is done for you.

13. Subtract using the cubes.

14. Complete the number sentences to match the pictures. One is done for you.

+ 2 =

15. Complete the number sentences using the pictures.

– = 9

7 = 10 + 10 = 16

+ = 14 – 10 = 3

+ 10 = + 10 = 15

– 10 = 3 + = 13 – 8 = 10 – 10 = 8

+ 10 =

Complete the number sentences. – 2 = 10 – 10 = 1

16. Cross out the apples to match the number sentence. Then fill the blanks.

– 7 =

– 7 = 6 14 – 6 = 8

– 9 = 13 – 4 =

17. Subtract the numbers. Cross out the cubes to find the answers. One is done for you.

– 3 =

– 6 =

18. Use number line to subtract.

Draw 5 arrows.

19. Subtract on a number line by making 10.

20. Subtract the numbers. Cross out the cubes to find the answers.

21. Subtract.

22. Calculate in the order shown. One is done for you.

23. Fill in the blanks with + or –. One is done for you.

Challenge!

7. Numbers up to 50

Numbers from 21 to 50

1. Write the number of cubes. One is done for you.

2. Count the fruits.

apples in one box

plums in one box

boxes boxes

apples in all boxes plums in all boxes

3. How many cubes are there?

Cubes in one bar:

Number of bars:

Number of cubes:

Cubes in one bar:

Number of bars:

Number of cubes:

Cubes in one bar:

Number of bars:

Number of cubes:

4. Fill in the missing number and tick ( ) its name. One is done for you.

01020304050 01020 4050 0102030 50 thirteen twelve thirty forty fourteen fifty fifteen five fifty twelve twenty ten

010203040

5. How many objects are there? One is done for you.

Number of plums: 24

Number of candies:

Number of cubes:

Number of apples:

6. Circle the correct number of cubes. One is done for you.

7. Buy the treats. Remember, you can write only 1 and 10 inside the circles. One is done for you.

8. Fill in the blanks and tick ( ) the correct

9. Complete the chart.

twenty-four forty-two

thirteen

10. Tick ( ) the largest number.

11. Draw arrows to put the train coaches in order. Largest number first! One is done for you.

12. Solve.

Anu has 4 tens and 3 ones of toy cars.

How many toy cars does she have?

Raj solved 2 tens and 7 ones of problems.

How many problems did he solve?

The doctor cured 3 tens and 6 ones of pets.

How many pets did she cure?

A box has 2 tens and 4 ones of melons. How many melons are in the box?

8. Measurement

Comparing Lengths

1. Tick ( ) the shortest bracelet.

Tick ( ) the longest watch.

Tick ( ) the true sentences. Cross out ( ) the false ones.

Paintbrush is shorter than pencil.

Paintbrush is longer than pencil.

Paintbrush is same length as pencil.

Bracelet is shorter than rope.

Bracelet is longer than rope.

Bracelet is same length as rope.

2. Measure the lengths of skateboards in sneakers. One is done for you.

sneakers 5 sneakers

Measure the lengths of dogs in sausages.

sausages

Measure the lengths of logs in axes.

sausages

Measure the lengths of tapes in scissors.

3. Fill in the numbers.

This table is erasers long. This board is pencils long.

4. Find the shorter and the longer objects then complete the sentences.

The longer box is paperclips long.

The shorter box is paperclips long.

The longer rope is sharpeners long.

The shorter rope is sharpeners long.

5. Measure things in legos. One is done for you.

6. Look at the picture. One is done for you. Challenge!

Fill in the numbers.

Lali needs to take 6 steps.

Father needs to take steps. Mother needs to take steps. Mithu needs to take steps.

Tick the correct answers.

Whose step is the longest?

Who will make the most steps?

Comparing Weights

7. Tick ( ) the heavier object in each pair. One is done for you.

Tick ( ) the lighter object in each pair.

Tick ( ) the pair of objects that have the same weight.

8. Measure the weight in blocks. One is done for you.

The weight of the bear is 4 blocks.

The weight of the watermelon is blocks.

The weight of the eraser is blocks.

The weight of the pyramid is blocks.

The weight of the pair of scissors is blocks.

The weight of the pen is blocks.

9. Measure the weight in blocks and tick ( ) the heavier object:

Tick the heavier object:

Tick the heavier block: blocks blocks

10. Look at the pictures and tick ( ) the heavier block.

Comparing Capacities

11. Look at the pictures. Write the capacity. One is done for you.

4 glasses of juice fill the jug.

Capacity of the jug = 4 glasses.

Capacity of the bottle = glasses.

3 glasses of milk fill the bottle.

Capacity of the bottle = glasses.

Capacity of the jug = glasses.

Tick ( ) the container with the least capacity.

12. Look at the pictures. Write the capacities of the containers.

All the water poured into glasses

Capacity of the bowl = glasses.

All the tea poured into cups

Capacity of the kettle = cups.

13. Measure capacity of the bottle in glasses and cups.

Which has more capacity, glass or cup?

Tick ( ) the correct answer.

cups glass cup

14. Measure capacity of the bucket in bottles and bowls.

bottles

bowls

Which has more capacity, bottle or bowl? Tick ( ) the correct answer.

bottle bowl

9. Numbers up to 100

Numbers from 50 to 100

1. Fill in the missing numbers.

2. Connect each balloon to its position. One is done for you.

3. Write down the neighbouring numbers.

4. Recall the number names and match them.

5. Form 8 two-digit numbers from the given words. One is done for you.

6. A round number has a 0 in the end. Colour all the round numbers. One is done for you.

7. How many objects are there?

Number of apples:

Number of candies:

Number of plums:

8. Tick ( ) the correct responses.

9. Cross out the extra items ( ).

10. Write the number of tens and ones. Use the cubes to find the answer.

74 = tens + ones

63 = tens + ones

82 = tens + ones

57 = tens + ones

91 = tens + one

68 = tens + ones

11. Colour the required number of blocks.

12. Write tens and ones. Fill in the blanks. One is done for you.

13. Draw arrows to put the train coaches in order. Largest number first!

14. Complete the rabbit’s path. Fill in the blanks.

What numbers are hidden behind the carrots? Write them in descending order.

Let’s Add

10. Addition and Subtraction up to 100

1. Look at the cubes and then complete the sums.

2. Write in the missing numbers. One is done for you.

3. Match the sums to their answers. One is done for you.

4. Equal or not? Colour the correct sign. One is done for you.

5. Find the price of the 2 given items. One is done for you.

6. Make the next 10 first. Then find the answer.

7. Compose the sum based on the picture.

How many more apples are there?

How many apples are in boxes?

8. Connect the sums that have the same answer.

9. Add to find the train coaches numbers. Draw arrows to arrange the coaches in ascending order.

Let’s Subtract

10. Match each problem to the correct number line. Write the answer. One is done for you.

66 – 3 = 87 – 5 = 66 – 5 = 87 – 3 =

– = Identify the extra number line. Create a math problem for it.

11. Complete the subtraction and draw the rocket’s path. One is done for you.

1) 79 – 3 = 76

2) 84 – 10 =

3) 88 – 6 =

4) 97 – 2 =

5) 83 – 30 =

6) 98 – 11 =

12. Compare the differences. Colour the correct answer. One is done for you.

13. Complete the number sentence based on the drawing.

How many apples were eaten?

How many apples were there before eating? Apples left

14. Break the number to make the subtraction easy. Then subtract. One is done for you.

15. Solve by taking away a 10 first. One is done for you.

16. Fill in the blanks with + or –. One is done for you.

17. Help the rat to reach grains. Keep subtracting 6 to find the next cell. One is done for you.

18. Connect the passengers to the correct spaceship.

19. Fill in the missing numbers.

11. Grouping and Sharing

Equal Grouping

1. Find the sums.

How many wheels do all the bicycles have? 2 + 2 + 2 + 2 =

How many towers are in the castles? 3 + 3 + 3 + 3 + 3 =

How many fingers? How many legs? 5 + 5 + 5 = 2 + 2 + 2 + 2 + 2 =

How many ears? How many bananas? 2 + 2 + 2 =

2. Complete the repeated addition sentences.

How many legs do all the tables have?

+ 4 + 4 =

How many notes?

How many petals do all the flowers have?

How many legs?

3. Fill in the blanks.

groups of eggs each. groups of cupcakes each.

4. Circle every second number. One row is done for you.

5. The frog hops by skips of 2. Show the frog’s path with arrows.

6. Numbers increase by 2 each time. Fill in the missing numbers.

7. Circle every 5th number. One row is done for you.

8. The frog hops by skips of 5. Show the frog’s path with arrows.

9. Numbers increase by 5 each time. Fill in the missing numbers.

10. Fill in the numbers to create a multiplication sentence. One is done for you.

How many legs do the cows have?

How many pencils are there in the boxes? 4 + 4 + 4 = 12

Number of legs one cow has:

Number of pencils in one box: Number of boxes: � =

11. Write repeated addition as multiplication.

Equal Sharing

12. Circle equal groups and count them. One is done for you.

Share 10 gems among people. Each person gets 2 gems. Show the gems each person gets:

How many people get gems? 5 people.

How many friends get eggs? friends.

Share 9 eggs among friends. Each friend gets 3 eggs. Show the eggs each friend gets: Put 8 crystals into boxes. Remember 4 crystals go in each box.

How many boxes are there? boxes.

13. Share and count how many in each group. One is done for you.

8 fish are put into 2 aquariums. Show where to put each fish:

How many fish in each aquarium? 4 fish.

Share 12 gems equally among 4 friends. Show with arrows how to put gems in boxes:

How many gems does each friend get? gems.

Share 10 shells equally between 2 children. Show with arrows how to put shells in boxes:

How many shells does each child get? shells.

12. Time and Money

Time

1. What time of day is shown in the picture? One is done for you.

Anna goes to sleep. 1:00 7:00 9:00 3:00 Evening Noon Morning Night

2. Put Anna’s routine in order. Draw lines to connect. One is done for you.

Anna wakes up.

Anna eats lunch.

Anna returns home from school.

What time do you wake up? Write it down.

3. Connect the picture with the related box.

: 00

4. Determine the time by the sundial. One is done for you. What time cannot be determined by a sundial? Tick the correct answer.

Sundial Analogue Hand Sand Digital

5. Tick the correct statement.

Hour hand is shorter than the minute hand.

Hour hand is longer than the minute hand.

6. Convert and fill in the blanks.

1 hour = 60 min

1 hr 10 min = min + min = min

1 hr 30 min = min + min = min 80 min = 60 min +

= 60 min +

7. Read the

8. Draw the clock hands to show the correct time.

10. Which clocks show the correct time? Tick ( ) the correct ones. Challenge!

12. What can we use to buy the things from a shop? Circle the answers.

13. Tick ( ) the correct currency name and symbol.

This is the symbol of Indian currency: $ ¥ ₽ ₹ The currency of India is the Indian… ruble dollar rupee yuan

14. Mark India’s currency with a , and other countries’ currency with a .

15. Tick ( ) the answers.

Which coin denomination is not used in India?

Which banknotes denomination is not used in India?

16. How much money is there in the jar? One is done for you.

17. Does Dino have enough money to buy the item?

13. Data Handling

Understanding Data

1. Draw lines to sort shapes into rectangles and triangles. One is done for you.

2. Sort things into clothes and toys. One is done for you. I eat rectangles. I eat triangles. clothes

3. Sort fruits and flowers. One is done for you.

Sort birds and fish.

flowers fruits

birds fish

4. Count cats, mice and frogs and fill in the numbers. One is done for you.

You may circle the animals as you count.

Count candies, cakes and fruits.

Count bunnies, foxes and wolves.

5. Look at the picture and fill in the blanks. One is done for you.

Fruits

How many? 3

Shapes How many?

6. Colour jellyfish with required colours. One is done for you.

Colour Red Yellow Blue GreenOrange

7. Show with lines which 4 items should be in the table. One is done for you.

Plane Helicopter Balloon Rocket Purple

8. Draw missing shapes. One is done for you.

Draw green square here.

Jellyfish

9. Tick ( ) the correct answers.

What is it?

CellColumn Row

What is it?

CellColumn Row

What is it?

CellColumn Row

10. Use arrows to fill the table. One is done for you.

Cars

Scooters

Page 2 3. 4. Page 3

4 6.

Page 1 1. Pre-number Concepts 2. Numbers up to 20 1. behind, in front of, behind, in front of

Page 5

1. 2; 1, 4; 3, 5

2. 1, 3, 5, 2, 4, 1

Page 6

3. 4 5 2 3 4. 8, 7, 9, 7

Page 7

5. 5 6 1 0 7 2 6. 1, 7 2, 3, 4, 8 3, 5, 7, 9

Page 8

7. 1, 3, 13 1, 5, 15 1, 6, 16 1, 4, 14 8.

Page 9

9. 3, 9, 14, 18 4, 7, 11, 14, 17

10. The other combination can also be correct.

Page 10 11. 1, 5, 1, 2 12. 14, 18

Page 11 13. 14. 1, 2, 3, 4, 5

Page 17

17. 7, 8, 12, 16, 19 12, 14, 16, 18, 20 18. 17, 14, 13, 7, 6 Page 13

Page 14

Page 12 15. 16. 2. 7, 8 3. Page 15

Page 16 1. 8, 6, 7

4. 3, 2, 1 3, 4, 1,2

Page 19

Page 18 9. 4 + 4 = 8 3 + 5 = 8 3 + 4 = 7

Page 21

Page 20 10. 2, 8, 4, 6 4, 7, 3, 5 11. 12. 5, 9 3, 4

13.

3. Addition up to 10 14. 4 + 4 = 8; 8 4 + 3 = 7; 7

Page 22

Page 23

15. 2,3 1, 6 or 2, 5 or 3, 4 1, 3 1, 8 or 2, 7 or 3, 6 or 4,5

16. 6 4 7 9

4. Subtraction up to 10

1. 6, 9

Page 30

10. 3, 4, 5 + 0 =5, 2 – 0 = 2

11. 7 5 0 6 0 8 8 10

Page 31

12. Page 32

3. Page 25

2. 4, 8, 7 Page 24 5. Page 26 4. 1 2 3 1

6. Page 27 6 – 4 = 2

7 – 1 = 6

Page 28

7. 0, 0, 5 – 5 = 0

8. 2 + 5 = 7 9 – 3 = 6

4 + 4 = 8 7 – 5 = 2

Page 29

9. 2, 4, 3, 4, 3

13. 1, 6 or 2, 7 or 3, 8 or 4, 9 1, 8 or 2, 9 1, 5 or 2, 6 or 3, 7 or 4, 8 or 5, 9 1, 10

14. 7, 3, 5, 4

5. Shapes and Patterns

Page 34 3. Page 33

Page 48 9. 17, 18, 19

10. 18 19 17 14 18 18 19 17 19 18 19 16

Page 49 11. 7 4 15

Page 53 18. 9, 5, 8

Page 54

Page 50 13. 10 5 10 9

14. 11 – 1 = 10 15 – 5 = 10 14 – 10 = 4

4 2 6 8 Page 51 15. 12 17 10 6 13 11 12 10 5 10 18 10 17 7 18 11

Page 52

16. 9, 5, 6 17.

11 – 3 = 8 15 – 6 = 9

Page 55 22. 17, 8 17, 9 8, 14 5, 11

7. Numbers up to 50

Page 56 1. 10 20 30

2. 10 apples in one box 3 boxes 30 apples in all boxes 10 plums in one box 4 boxes 40 plums in all boxes

Page 57

3. Cubes in one bar 10

Number of bars 5

Number of cubes 50

Cubes in one bar 10

Number of bars 3

Number of cubes 30

Cubes in one bar 10

Number of bars 1

Number of cubes 10 4. 30 thirty 40 forty 50 fifty

Page 58

5. 24 43 45 37

Page 59

6. The other combination can also be correct.

Page 61

Page 59

7. There are other possible correct answers as well.

Page 60

11. 45, 41, 33, 28, 25, 13

Page 62

46 27 12. 43 cars 27 problems 36 pets 24 melons

8. Measurement

Page 63

8. 24 twenty-four 31 thirty-one 43 forty-three 9. 11, 26, 39, 42 Page 66

Page 67

6. Lali 6 steps, Mithu 8 steps father 4 steps, mother 5 steps

Father Mithu

Page 68

Page 69 8. 4 6 10 7 3 4

Page 70 9. 9, 4 10.

Page 71Page 72

11. 3, 6, 5 12.

Page 73

3. 6 glasses, 9 cups glass

9. Numbers up to 100 8 glasses 3 cups

Page 75

1. 56, 62, 70, 84, 89, 91

64 95 86 73

Page 76

3. 87, 89 78, 80 50, 52 79, 81

Page 77

5. eighty-two, eighty-nine, eighty-six fifty-two, fifty-nine, fifty-six ninety-two, ninety-nine, ninety-six 82, 89, 86, 52, 59, 56, 92, 99, 96

Page 78 7. 73, 89, 84

Page 74 4. 4 bottles, 3 bowls bowl

Page 79

Page 80

10. 74 = 7 tens + 4 ones

57 = 5 tens + 7 ones

63 = 6 tens + 3 ones

91 = 9 tens + 1 one

82 = 8 tens + 2 ones

68 = 6 tens + 8 ones

Page 81

Page 82

12. 95 = 90 + 5 83 = 80 + 3 14 = 10 + 4 51 = 50 + 1 69 = 60 + 9 77 = 70 + 7 78 = 70 + 826 = 20 + 6

Page 83

14. 31, 53, 25, 66, 38, 86, 70

13. 82, 76, 73, 60, 55 85, 56, 42, 29, 17

10. Addition and Subtraction up to 100

Page 84

1. 53 + 7 = 60

+ 20 = 60

+ 5 = 59

Page 86 3.

Page 85

Page 87

5. Ice cream and cupcake 70 Cupcake and lollipop 68 Orange and ice cream 59 Lollipop and orange 57 6. 54 + 7 = 54 + 6 + 1 = 61 73 + 9 = 73 + 7 + 2 = 82 58 + 5 = 58 + 2 + 3 = 63

Page 88

7. 55 + 7 = 62

57 + 8 = 65

66 + 7 = 73

55 + 9 = 64

Page 89 8.

+ 10

+ 1

+ 10 45 + 10

9. 56 + 8 = 64 63 + 9 = 72 71 + 10 = 81

Page 90

10.