Year 3: Sample Topics 1.1 and 1.2

Number | Number structures

Topic 1.1 Whole numbers This is a one.

This is 12 ones This is 120 ones OR 1 ten and 2 ones. OR 1 hundred and 2 tens.

This is 1,000.

Learn 1

In a 3-digit number, the first digit is hundreds, the second is tens and the third is ones.

How many? a

R AF T

b

d

D

c

2

Write the numbers. a

8

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b

Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

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3

Write the numbers a

b

R AF T

c

e

D

d

f

Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

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When comparing numbers, start from the left-most place value.

Numbers with more digits are greater than those with fewer digits.

556 > 550 because 6 > 0.

23 < 100

> means greater than and < means less than.

Explore 1

Insert > or <.

a

98

c

812

e

689

g

423

2

Order the numbers from smallest to biggest.

b

456

478

R AF T

105 765

d

347

352

682

f

243

198

432

h

950

905

D

920

3

When the place values match, keep going right until there is a difference.

111

513

101

713

902

297

349

Order the numbers from smallest to biggest.

345

10

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319

357

451

Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

03-Aug-26 15:24:20

Deepen Colour the blocks to show the number.

a

132

b 321

c

231

d 123

e

312

f 213

2

What different 3-digit numbers could you make with:

a

1, 6, 3

b

Circle the largest number you made. Underline the smallest number.

0, 3, 4?

D

R AF T

1

Circle the largest number you made. Underline the smallest number Think about the place value of each digit.

Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

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Number | Number structures

Topic 1.2 Tens and hundreds Count forwards and backwards in 10s from 72.

–10

–10

32

42

–10

52

–10

62

+10

72

+10

82

+10

92

+10

102

112

Learn 1

Count forwards in 10s.

226

2

Count backwards in 10s.

4

D

181 3

R AF T

Counting forwards in 10s is just like counting with 1s, except you change the 10s digit.

Count forwards and backwards in 10s from 659.

659

Count forwards in 100s.

93

5

Count backwards in 100s.

977

6

Count forwards and backwards in 100s from 535.

535

12

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Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

03-Aug-26 15:24:25

Sorting objects into groups of 10 or There are: 100 8 hundreds 9 tens 0 ones.

In total, the number is: 8

Explore

0

There are:

Use grouping to find the number.

hundreds

R AF T

1

9

tens

a

ones.

There are:

b

hundreds

D

tens

c

ones.

There are: hundreds tens ones.

d

There are: hundreds tens ones.

Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

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Represent the numbers using place value blocks.

a

251

b

760

c

392

d

577

e

333

D

R AF T

2

14

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Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

03-Aug-26 15:24:28

Deepen A class collected 156 shells at the beach.

They put them into bags of 10.

a

How many full bags of 10 are there?

b

How many shells are left over?

2

There are 320 stickers. They are packed into boxes of 100.

a

How many full boxes are made?

b

Are there any left over?

3

There are 278 blocks.

c

Draw your thinking.

R AF T

1

Draw your thinking.

D

c

Draw how to group them into hundreds, tens and ones.

Year 3 Student Workbook | Mathematics and Statistics for Aotearoa New Zealand (Second edition) Oxford University Press

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