# Know Your Subtraction: Numbers from 0 to 20 with Pictures (2)

In this worksheet, students use subtraction to find the missing numbers.

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Add and Subtract to 20

Difficulty level:

### QUESTION 1 of 10

Example

Here we have 19 bugs to start with. Our answer is 13. We need to find the missing number.

 19 - ? = 13

-

19 - 13 = 6

So 6 is the missing number.

 19 - 6 = 13

Find the missing number.

-

 18 - = 12

Find the missing number.

-

 10 - = 4

Find the missing number.

-

 7 - = 1

Find the missing number.

-

 13 - = 7

Find the missing number.

-

 10 - = 5

Find the missing number.

-

 16 - = 10

Find the missing number.

-

 20 - = 4

Find the missing number.

-

 10 - = 6

Find the missing number.

-

 6 - = 2

Find the missing number.

-

 20 - = 5
• Question 1

Find the missing number.

-

 18 - = 12
6
EDDIE SAYS
18 − 6 = 12

Check:
18 − 12 = 6

• Question 2

Find the missing number.

-

 10 - = 4
6
EDDIE SAYS
10 − 6 = 4

Check:
10 − 4 = 6

• Question 3

Find the missing number.

-

 7 - = 1
6
EDDIE SAYS
7 − 6 = 1

Check:
7 − 1 = 6

• Question 4

Find the missing number.

-

 13 - = 7
6
EDDIE SAYS
13 − 6 = 7

Check:
13 − 7 = 6

• Question 5

Find the missing number.

-

 10 - = 5
5
EDDIE SAYS
10 − 5 = 5

Check:
10 − 5 = 5

• Question 6

Find the missing number.

-

 16 - = 10
6
EDDIE SAYS
16 − 6 = 10

Check:
16 − 10 = 6

• Question 7

Find the missing number.

-

 20 - = 4
16
EDDIE SAYS
20 − 16 = 4

Check:
20 − 4 = 16

• Question 8

Find the missing number.

-

 10 - = 6
4
EDDIE SAYS
10 − 4 = 6

Check:
10 − 6 = 4

• Question 9

Find the missing number.

-

 6 - = 2
4
EDDIE SAYS
6 − 4 = 2

Check:
6 − 2 = 4

• Question 10

Find the missing number.

-

 20 - = 5
15
EDDIE SAYS
20 − 15 = 5

Check:
20 − 5 = 15

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