tens and ones using addition - resources.whiterosemaths.com · 1 draw base 10 to complete the...

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1 Draw base 10 to complete the part-whole model. Complete the sentences. There are tens and ones. The whole is + = 2 Complete the sentences to describe each number. a) 39 has tens and ones. b) 70 has tens and ones. c) 12 has ten and ones. d) 56 has tens and ones. 3 Complete the number sentences to describe each number. The first one has been done for you. a) 39 = 30 + 9 b) 70 = + 4 Dexter has 30 sweets and Dora has 28 sweets. Represent the total number of sweets: using base 10 as a part-whole model as a number sentence. 5 Complete the part-whole models. Write four number sentences to match each part-whole model. a) b) Tens and ones using addition © White Rose Maths 2019 c) 12 = + d) 56 = + 27 7 46 16

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Page 1: Tens and ones using addition - resources.whiterosemaths.com · 1 Draw base 10 to complete the part-whole model. Complete the sentences. There are tens and ones. The whole is + = 2

1 Drawbase 10 to complete thepart-wholemodel.

Complete the sentences.

There are

tensand ones.

The whole is

+ =

2 Complete the sentences todescribeeachnumber.

a) 39 has tensand ones.

b) 70 has tensand ones.

c) 12 has tenand ones.

d) 56 has tensand ones.

3 Complete thenumber sentences todescribeeachnumber.

Thefirstonehasbeendone for you.

a) 39= 30 + 9

b) 70= +

4 Dexterhas30 sweetsandDorahas28 sweets.

Represent the total numberof sweets:

• usingbase10

• asapart-wholemodel

• asanumber sentence.

5 Complete thepart-wholemodels.

Write fournumber sentences tomatch eachpart-wholemodel.

a) b)

Tens and ones using addition

©WhiteRoseMaths2019

c) 12= +

d) 56= +

27

7

46

16

Page 2: Tens and ones using addition - resources.whiterosemaths.com · 1 Draw base 10 to complete the part-whole model. Complete the sentences. There are tens and ones. The whole is + = 2

6 Complete thenumber sentences.

a) 35=30+ e) 19+ 20=

b) 20+ = 29 f) 67= 50+

c) 42=2+ g) 99= + 39

d) 50+7= h) 40+ 30+ = 81

7 Annie thinks that50+ 9= 509

Show thatAnnie is wrong.

HowwouldyouhelpAnnie toget it right next time?

Talkabout it withapartner.

8 Complete thenumber sentence.

30+ = 20+

Compareyouranswerwithapartner’sanswer.

Howmany differentways can you complete the

number sentence?

Tens and ones using addition

©WhiteRoseMaths2019

3 Complete thenumber sentences todescribeeachnumber.

The first onehasbeen done foryou.

a) 39 = 30 + 9

b) 70 = +

4 Dexterhas30 sweetsand Dorahas28 sweets.

Represent the totalnumberof sweets:

• usingbase10

• asapart-whole model

• asanumber sentence.

5 Complete thepart-whole models.

Write fournumber sentences tomatcheachpart-wholemodel.

a) b)

c) 12= +

d) 56= +

27

7

46

16