Busy Ant Maths: Pupil Book 3A

Page 1


Pupil Book 3A

Series Editor: Peter Clarke Authors: Elizabeth Jurgensen, Jeanette Mumford, Sandra Roberts


Contents Unit 1 Week 1: Number – Number and place value Lesson 1: 2-digit numbers Lesson 2: Partitioning 2-digit numbers Lesson 3: 3-digit numbers Lesson 4: Ordering numbers to 1000 Week 2: Number – Addition and subtraction Lesson 1: Adding 2-digit numbers Lesson 2: Adding to 3-digit numbers Lesson 3: Subtracting 2-digit numbers Lesson 4: Subtracting from 3-digit numbers Week 3: Geometry – Properties of shape Lesson 1: Naming 3-D shapes Lesson 2: Making models of 3-D shapes Lesson 3: Classifying and describing 3-D shapes Lesson 4: Building models with cubes

Page number 4 5 6 7 8 9 10 11 12 13 14 15

Unit 2 Week 1: Number – Multiplication and division, incl. Number and place value Lesson 1: Counting in 2s, 3s, 5s and 10s Lesson 2: 2s, 5s and 10s Lesson 3: 3 multiplication table Lesson 4: Solving word problems (1) Week 2: Number – Fractions Lesson 1: Finding fractions Lesson 2: Solving fraction problems (1) Lesson 3: Solving fraction problems (2) Lesson 4: Adding fractions Week 3: Measurement (mass) Lesson 1: Fruit stall kilograms and grams Lesson 2: Market stall scales Lesson 3: Puppy masses Lesson 4: Mass on the menu

2

16 17 18 19 20 21 22 23 24 25 26 27


Unit 3 Week 1: Number – Addition and subtraction Lesson 1: Adding 1s Lesson 2: Adding 10s Lesson 3: Adding 100s Lesson 4: Solving word problems (2) Week 2: Number – Addition and subtraction Lesson 1: Subtracting 1s Lesson 2: Subtracting 10s Lesson 3: Subtracting 100s Lesson 4: Solving word problems (3) Week 3: Geometry – Properties of shape Lesson 1: Finding the right angles Lesson 2: Turning patterns Lesson 3: Giving and following directions Lesson 4: All sorts of angles

Page number 28 29 30 31 32 33 34 35 36 37 38 39

Unit 4 Week 1: Number – Multiplication and division, incl. Number and place value Lesson 1: Counting in 4s Lesson 2: 4 multiplication table Lesson 3: Doubling to find the 4 multiplication table Lesson 4: Multiplication and division Week 2: Number – Multiplication and division, incl. Number and place value Lesson 1: Counting in 8s Lesson 2: 8 multiplication table Lesson 3: Doubling to find the 8 multiplication table Lesson 4: Solving word problems (4) Week 3: Measurement (time) Lesson 1: Up to the minute Lesson 2: Using a time line Lesson 3: Roman numerals and 24-hour times Lesson 4: Timing tasks

48 49 50 51

Maths facts

52

40 41 42 43 44 45 46 47

3


Unit 1, Week 1, Lesson 1

2-digit numbers Understand the place value of 2-digit numbers Challenge

1

Challenge

2

1 Write the numbers shown by the Base 10. a

b

c

d

e

f

g

h

1 Write the numbers shown by the Base 10. a

b

c

d

2 Write the numbers that have been separated into 10s and 1s.

Challenge

3

a

50

4

b

30

9

c

7

40

d

9

70

f

80

3

g

50

0

h

3

60

i

50 9

e

2

20

j

8

90

1 Write these numbers in order, smallest first: 73, 13, 37, 33, 77, 17, 97, 7, 53 2 Draw this number line. Write the numbers from Question 1 on the number line. 0

50

3 Write another number in between each number on the number line.

4

4 Explain the place value of 2-digit numbers. Imagine you are writing this for children in the year group below you.

100


Unit 1, Week 1, Lesson 2

Partitioning 2-digit numbers Partition 2-digit numbers

Challenge

1

Challenge

2

Challenge

3

Example

Partition these numbers into 10s and 1s using Base 10 material.

20 + 6 = 26

a

14

b

19

c

28

d

35

e

23

f

31

g

29

h

18

i

34

j

46

Partition these numbers in as many ways as you can. Write the calculation each time. If you need to, use Base 10 material to help you. a

35

b

37

c

46

d

53

e

48

f

39

g

59

h

63

i

44

j

57

Example

1 Partition these numbers in as many ways as you can. Write the calculation each time. Use the pattern of the calculations to help you. a

57

b

68

c

71

d

88

e

42 40 + 2 = 42 30 + 12 = 42 20 + 22 = 42 10 + 32 = 42

95

2 Choose a number from Question 1 and explain the pattern of the calculations. 3 Find the missing numbers. a

+ 13 = 53

b

+ 25 = 45

c

d

+ 28 = 68

e

+ 42 = 92

f

30 +

= 76

= 89

h

= 74

i

20 +

= 57

g

50 +

60 +

+ 31 = 71

5


Unit 1, Week 1, Lesson 3

3-digit numbers Understand the place value of 3-digit numbers Challenge

1

Challenge

2

1 Write the numbers shown by the Base 10. a

b

c

d

e

f

1 Write the numbers shown by the Base 10. a

b

c

d

e

f

2 Write the numbers that have been separated into 100s, 10s and 1s. a Challenge

3

200 60 4

b

300 90 8

c

400 0 3

600 50 3

d

1 Write the numbers that have been separated into 100s, 10s and 1s. a

7 700 40

b

20 1 900

c

5 500 70

d

3 60 100

2 I’m thinking of a number. The 100s digit is lower than 3, the 10s digit is odd and the 1s digit is 5. Write as many possible answers as you can. 6


Unit 1, Week 1, Lesson 4

Ordering numbers to 1000 Order numbers to 1000 Challenge

1

1 Order each set of numbers, smallest to largest. a

54, 21, 87, 39

b

66, 25, 93, 12

c

74, 47, 17, 14, 41

d

105, 95, 107, 100, 101

2 These numbers are in order. What could the missing numbers be? , 15, 38,

a c Challenge

2

93,

, 100,

, 55 , 107

b

78,

d

100,

, 84,

,

, 112, 120,

1 Order each set of numbers, smallest to largest. a

142, 102, 241, 214, 204

b

214, 254, 223, 256

c

218, 327, 265, 376

d

362, 284, 155, 237

e

271, 207, 317, 301, 377

f

413, 314, 354, 412, 241

2 Use the digit cards to make six different 3-digit numbers. Now put the numbers in order, smallest to largest. Challenge

3

1 Order each set of numbers, smallest to largest. a

634, 701, 792, 751, 603

b

701, 638, 739, 822, 811

c

912, 219, 903, 293, 921

d

875, 578, 998, 987, 919

2 a Use these digit cards to make all the possible 3-digit numbers. Explain how you know you have all the possible numbers. b Now put the numbers in order, smallest to largest.

4 7


Unit 1, Week 2, Lesson 1

Adding 2-digit numbers Add mentally two 2-digit numbers Challenge

1

1 Work out these calculations. Copy the number lines to help you. a

23 ++1021 +10

+10

+1

+10

+1

b

+10

23

27

23

27

c

27 + +10 22

34 + 25

d

+10

+2

+10

+2

37 + 31

+10

+10

+5

+10

+10

+10

+1

+10

+10

+5

+10

+10

+10

+1

34

37

34

37

2 Now draw number lines for these calculations. a Challenge

2

35 + 23

b

44 + 32

c

41 + 27

d 38 + 26

1 Work out these calculations. Show your working out. a

36 + 27

b

43 + 38

c

47 + 32

d 53 + 28

e

59 + 34

f

65 + 26

g

61 + 54

h 72 + 45

2 Can you work out these calculations mentally, without a number line? a Challenge

3

89 + 43

b

85 + 57

c

75 + 45

d 93 + 38

1 Work out these calculations. Show your working out. a

74 + 58

b

83 + 65

c

89 + 76

d 93 + 66

e

68 + 83

f

49 + 78

g

94 + 57

h 83 + 85

2 Find the missing numbers. + 64 = 93

a d 8

68 +

= 115

b

+ 46 + 87

c

e

+ 73 = 126

f

53 +

= 99 + 62 = 134


Unit 1, Week 2, Lesson 2

Adding to 3-digit numbers Add mentally 1s and 10s to a 3-digit number Challenge

1

40

26 3

23 50

10

44

5

7

41 30

32

Examples

1 Choose a 2-digit number and a 1s number from the circles. Write down the calculation. Do this ten times.

26 + 5 = 26 + 50 =

2 Choose a 2-digit number and a tens number from the circles. Write down the calculation. Do this ten times. Challenge

2

3

80

582

373

50

7

407

60

8

134

5

226 40

70

1 Choose a 3-digit number and a 1s number from the circles. Write down the calculation. Do this ten times.

3

9

567

90 50

856 976

80

70 8

799

1 Choose a 3-digit number and a 1s number from the circles. Write down the calculation. Do this ten times. 2 Choose a 3-digit number and a 10s number from the circles. Write down the calculation. Do this ten times.

9

Examples 373 + 7 = 373 + 50 =

2 Choose a 3-digit number and a 1s number from the circles. Write down the calculation. Do this ten times. Challenge

20

8

4

6

60 7

5 681

Examples 681 + 8 = 681 + 70 =

3 Write six different 3-digit add 10s calculations that equal 586. 9


Unit 1, Week 2, Lesson 3

Subtracting 2-digit numbers Subtract mentally two 2-digit numbers Challenge

1

1 Work out these calculations. Copy the number lines to help you. a

35 – 13

25 – 12

b

–3

–10

–2

–10

25

35

c

29 – 16

37 – 21

d

–6

–10

–1

–10

–10

29

37

2 Now draw number lines for these calculations. a Challenge

2

35 – 23

b

42 – 21

c

48 – 32

d 54 – 27

1 Work out these calculations. Show your working out. a

47 – 24

b

45 – 28

c

53 – 25

d 57 – 32

e

63 – 27

f

67 – 29

g

74 – 38

h 82 – 45

2 Can you work out these calculations mentally? a Challenge

3

81 – 43

b

86 – 57

c

d 91 – 28

1 Find the missing number in each calculation. a d

75 –

= 32

b

– 45 = 37

e

83 –

2 Explain how you worked these out. 10

75 – 34

= 47

c

– 28 = 63

f

91 –

= 55 – 34 = 59


Unit 1, Week 2, Lesson 4

Subtracting from 3-digit numbers Subtract mentally 1s and 10s from 3-digit numbers Challenge

1

28

7

51

46

20

40

30

10

6

2

32

3

59

1 Choose two numbers from the circles and write a 2-digit number subtract a 1s number calculation. Do this ten times.

Examples 26 – 5 = 26 – 50 =

2 Choose two numbers from the circles and write down a 2-digit number subtract a 10s number calculation. Do this ten times. Challenge

70

2

9 252

5

60 7

8

314

507

50

4

275

50

3

40

486

80

1 Choose two numbers from the circles and write a 3-digit number subtract a 1s number calculation. Do this ten times.

Examples 373 – 7 = 373 – 50 =

2 Choose two numbers from the circles and write a 3-digit number subtract a 10s number calculation. Do this ten times. Challenge

3

803

90 70

8

649

60 50

7

682 5

1 Choose two numbers from the circles and write a 3-digit number subtract a 1s number calculation. Do this ten times. 2 Choose two numbers from the circles and write a 3-digit number subtract a 10s number calculation. Do this ten times. 3 Write six different 3-digit subtract 10s calculations that equal 463.

80

511

9 6

753

Examples 681 – 8 = 651 – 70 =

11


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.