NA12 Written strategies for addition

iMaths 2 Differentiation Tasks

NA12 Written strategies for addition

ISBN 978 1 74135 206 1 iMaths 1 Differentiation Tasks © Firefly Education Pty Ltd 2012

2 Colour the 58 milkshakes pink. Colour the 85 milkshakes brown.

1 Add to find the totals.

Declan10 years

Sam14 years

3 Here are three friends – Declan, Ruby and Sam.

How old will they each be in another 15 years?

+

Ruby12 years

+

+

tens ones

5 4

+ 4

tens ones

6 4

+ 2 1

tens ones

3 2

+ 5 3

tens ones

2 5

+ 3 3

tens ones

1 7

+ 4 1

tens ones

4 0

+ 4 5





2 Choose two items from the store to buy for each friend for Christmas. Work out the total cost each time.

3 Use a calculator to find the total money you spent on your 4 friends. $

a tens ones

3 3

+ 6

g 9 3

+ 4

h 4 0

1 5

+ 4

b tens ones

4 0

+ 3 9

e 5 1

+ 2 8

c tens ones

6 2

+ 3 3

f 3 6

+ 4 2

d tens ones

7 1

+ 1 7

$23

$44

$42

$54

Camera

Scooter

Doctors set Zoo ticket

Paint and brush

Rockstar guitar Goldfish bowlSoccerball

ZOOTH

E$44

Rockstar guitar

$54$35

$14

$22Walking duck toy

$23

Model car$31

$42

$13$20

Suzy

a tens ones

+

$

Gabby

b tens ones

+

$

Harry

c tens ones

+

$

Jack

d tens ones

+

$




1 You’ve just adopted a puppy from the animal rescue center. You will need to buy all the things a puppy needs.

2 Your friend Jack visited the pet store and spent $39 in total on two items. What could they have been?

2 dog bowls

+

1 dog collar

1 dog leash

+

2 bags of puppy food

+

1 dog bone

1 dog brush

+

pet bed

2 packs dog biscuits

+

flea powder

dog shampoo

+

+

$ 3 9

+

$ 3 9

Dog collar

F

Flea powder

Dog brushPuppy food

Dog bowl

Dog leash

Dog boneDog

biscuits

Pet bed

LEASGONE

Dog shampoo

$14

$57Dog brush

$11

$8

$5

$13

$15

$22

$34

$24

iMaths 2 Differentiation Answers

ISBN 978 1 74135 207 8 iMaths 2 Differentiation Answers © Firefl y Education Pty Ltd 2012




2 Colour the 58 milkshakes pink. Colour the 85 milkshakes brown.


Declan10 years

Sam14 years

3 Here are three friends – Declan, Ruby and Sam.

How old will they each be in another 15 years?

+

Ruby12 years

+

+

tens ones

5 4

+ 4

tens ones

6 4

+ 2 1

tens ones

3 2

+ 5 3

tens ones

2 5

+ 3 3

tens ones

1 7

+ 4 1

tens ones

4 0

+ 4 5

NA12 Subtraction facts

5 8

8 5

8 5

5 8

5 8

8 5

10 12 14

15 15 15

25 27 29







2 Choose two items from the store to buy for each friend for Christmas. Work out the total cost each time.

3 Use a calculator to find the total money you spent on your 4 friends. $

a tens ones

3 3

+ 6

e tens ones

5 1

+ 2 8

b tens ones

4 0

+ 3 9

f tens ones

3 6

+ 4 2

g tens ones

9 3

+ + 4

h tens ones

9 3

1 5

+ + 4

c tens ones

6 2

+ 3 3

d tens ones

7 1

+ 1 7

$23

$44

$42

$54

Camera

Scooter

Doctors set Zoo ticket

Paint and brush

Rockstar guitar Goldfish bowlSoccerball

ZOOTH

E$44

Rockstar guitar

$54$35

$14

$22Walking duck toy

$23

Model car$31

$42

$13$20

Suzy

a tens ones

+

$

Gabby

b tens ones

+

$

Harry

c tens ones

+

$

Jack

d tens ones

+

$


3 9

7 9

7 9

7 8

9 5

9 7

8 8

5 9






1 You’ve just adopted a puppy from the animal rescue center. You will need to buy all the things a puppy needs.

2 Your friend Jack visited the pet store and spent $39 in total on two items. What could they have been?

2 dog bowls

+

1 dog collar

1 dog leash

+

2 bags of puppy food

+

1 dog bone

1 dog brush

+

pet bed

2 packs dog biscuits

+

flea powder

dog shampoo

+

+

$ 3 9

+

$ 3 9

Dog collar

F

Flea powder

Dog brushPuppy food

Dog bowl

Dog leash

Dog boneDog

biscuits

Pet bed

LEASGONE

Dog shampoo

$14

$57Dog brush

$11

$8

$5

$13

$15

$22

$34

$24


13

15

24

8

57

14

13

34

34dog leash puppy food

dog biscuits dog collar

24

5 15

24

11

10

22

26

49

48

19

67

36

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NA12 Written strategies for addition