100% coverage of New Zealand Mathematics and Statistics Curriculum for Phases 1-3
Proven results in New Zealand schools for over a decade Clear, step-by-step lessons for consistent, explicit teaching
Structured problem solving and reasoning for deep understanding
Let's Remember Let's Remember
1. Count and write.
2. Match.
EXPLORE
Moana collects 48 drink cans for recycling. She puts the drink cans in bags of 10. Show the number of drink cans in tens and ones.
How can we solve this problem? Discuss in your group and fill in columns 1 and 2.
1. What I already know that will help me solve the problem 2. What I need to find out and learn 3. What I have learnt
Read and write a number up to 20. Represent a 2-digit number in tens and ones. Answer varies.
You will learn to...
• count within 30
• read and write numbers up to 30
• count forwards and backwards within 20
• represent 2-digit numbers in tens and ones
1.1 Counting, reading and writing numbers within 20
Let's Learn Let's Learn
A numeral is a symbol used to represent a number of objects.
b) Count.
There are 15 beads. 10 and 5 make 15.
10 + 5 =
Count forwards from 10. 10, 11, 12, 13, 14, 15 15
20 is 10 and 10 or 2 tens. 20 is rua tekau.
Let's Do Do
1. Write the missing numbers.
a)
2. Count and match. 10 and 6 make . 10 + 6 = b) 10 and 3 make . 10 + 3 =
1. Write the missing numbers.
2. Count and match.
3. Write the numerals.
Let's Learn Let's Learn
I count backwards. 20, 19, 18, …
b) Count forwards and backwards using a number strip. 9 10 11 12 13 14 15
10 comes just before 11. 12 comes just after 11. 11 is between 10 and 12.
Let's Do Let's Do
1. Count forwards or backwards. Write the missing numbers.
a) 9, , 11, 12, 13
I count forwards. 1, 2, 3, … 10 15
b) 17, 16, , 14, 13
2. Complete the number strip. Then, write the missing numbers.
a) comes just before 16.
b) comes just after 12.
c) is between 9 and 11.
Let's Practise
1. Count forwards or backwards. Write the missing numbers.
a) 5, , 7, 8, 9, , 11
b) 12, 13, , , 16, , 18
c) , 11, 10, , 8, 7, 6
d) , 19, , 17, 16, 15,
2. Write the missing numbers.
a) comes just before 11.
b) comes just after 14.
c) 12 comes just before .
d) 20 comes just after .
e) is between 16 and 18.
P B Chapter 1: Exercise 1.2, page 3
>> Look at EXPLORE on page 1 again. Can you solve the problem now? What else do you need to know?
Let's Learn Let's Learn a) Count.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, …
There are more than 20 cubes. We make tens and count.
There are 24 cubes. 20 and 4 make 24.
20 + 4 = 10, 20, 21, 22, 23, 24 24
25 is 20 and 5. 25 is rua tekau mā rima.
1. Write the missing numbers.
20 and 6 make . 20 and 3 make .
2. Count and write the numerals.
3. Match.
4. Write the numerals.
1. Count and write the numerals.
2. Write the missing numbers.
a) 20 and 8 make . b) 20 and 1 make .
3. Write the numerals.
a) twenty-nine b) twenty-six
4. Match.
Let's Learn Let's Learn
a)
Let's Do Let's Do 1. Write the missing
1.5 Showing tens and ones
Let's Learn Let's Learn
a) Count the markers.
10, 20, 21, 22, 23
1. Circle the correct tens and ones. Let's Do Let's Do
Let's Practise
1. Match.
2 tens 3 ones / 2 tens 4 ones 2 tens 7 ones / 2 tens 8 ones
tens 3 ones
tens 5 ones
I have learnt to... count within 30 read and write numbers up to 30 count forwards and backwards within 20 represent 2-digit numbers in tens and ones
ten 4 ones
You will learn to...
• count within 100
• read and write numbers up to 100
• represent 2-digit numbers in tens and ones
Let's Learn Let's Learn
a) Count by tens.
60, 70, 80
60, 70, 80, 90, 100
b) Read aloud.
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Let's Do Let's Do
10, 20, …, 100 are numerals.
1. Count the tens and write. a)
1. Count the tens and write. tens = tens =
2. Write the numerals. a) thirty b) fifty c) eighty d) one hundred tens = b)
1. Circle the correct tens and ones.
2. Write the numerals.
a) seventy-two b) ninety-nine 6 tens 9 ones / 7 tens 9 ones
1. Match.
2. Write the numerals.
a) forty-three
c) sixty-seven
b) eighty-five
d) ninety-two I have learnt to... count within 100 read and write numbers up to 100 represent 2-digit numbers in tens and ones