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Know Your Addition: Counting Cakes (2)

In this worksheet, students practise solving problems using two-digit numbers and ones.

'Know Your Addition: Counting Cakes (2)' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Solve Add/Subtract Problems to 100

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Can you add together the number of packets of cakes (there are ten cakes in each packet) with the number of loose cakes? 

 

Example:

Two packets of ten cakes and nine loose cakes?

 

29 = 20 + 9

Work out the sum and then write the missing number in the box below.

 

23 = 20 +  ?

Work out the sum and then write the missing number in the box below.

 

21 = 20 + ?

Work out the sum and then write the missing number in the box below.

 

22 = 20 + ?

Work out the sum and then write the missing number in the box below.

 

21 =  ? + 1

Work out the sum and then write the missing number in the box below.

 

29 = ? + 9

Work out the sum and then write the missing number in the box below.

 

27 = 20 +  ?

Work out the sum and then write the missing number in the box below.

 

25 = 20 +  ?

Work out the sum and then write the missing number in the box below.

 

25 =  ? + 5

Work out the sum and then write the missing number in the box below.

 

26 = 20 +  ?

Work out the sum and then write the missing number in the box below.

 

29 = 20 +  ?
  • Question 1

Work out the sum and then write the missing number in the box below.

 

23 = 20 +  ?

CORRECT ANSWER
3
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 3 extra cakes is 23.
  • Question 2

Work out the sum and then write the missing number in the box below.

 

21 = 20 + ?

CORRECT ANSWER
1
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 1 extra cake is 21.
  • Question 3

Work out the sum and then write the missing number in the box below.

 

22 = 20 + ?

CORRECT ANSWER
2
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 2 extra cakes is 22.
  • Question 4

Work out the sum and then write the missing number in the box below.

 

21 =  ? + 1

CORRECT ANSWER
20
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 1 extra cake is 21.
  • Question 5

Work out the sum and then write the missing number in the box below.

 

29 = ? + 9

CORRECT ANSWER
20
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 9 extra cakes is 29.
  • Question 6

Work out the sum and then write the missing number in the box below.

 

27 = 20 +  ?

CORRECT ANSWER
7
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 7 extra cakes is 27.
  • Question 7

Work out the sum and then write the missing number in the box below.

 

25 = 20 +  ?

CORRECT ANSWER
5
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 5 extra cakes is 25.
  • Question 8

Work out the sum and then write the missing number in the box below.

 

25 =  ? + 5

CORRECT ANSWER
20
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 5 extra cakes is 25.
  • Question 9

Work out the sum and then write the missing number in the box below.

 

26 = 20 +  ?

CORRECT ANSWER
6
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 6 extra cakes is 26.
  • Question 10

Work out the sum and then write the missing number in the box below.

 

29 = 20 +  ?
CORRECT ANSWER
9
EDDIE SAYS
2 packets of 10 cakes = 20 cakes plus 9 extra cakes is 29.
---- OR ----

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