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In this worksheet, students complete addition problems by adding the number 9. Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Add and Subtract to 20

Difficulty level:   ### QUESTION 1 of 10

When you add everything together, you get a total.

Example

16 + 9 = ?

Start at 16 and count 9 forward.

What do you get then?

16 + 9 = 25 Write the missing number in the box below:

7 + 9 = ? Write the missing number in the box below:

18 + 9 = ? Write the missing number in the box below:

3 + 9 = ? Write the missing number in the box below:

13 + 9 = ? Write the missing number in the box below:

4 + 9 = ? Write the missing number in the box below:

19 + 9 = ? Write the missing number in the box below:

17 + 9 = ? Write the missing number in the box below:

14 + 9 = ? Write the missing number in the box below:

1 + 9 = ? Write the missing number in the box below:

9 + 9 = ? • Question 1

Write the missing number in the box below:

7 + 9 = ? 16
EDDIE SAYS

Method

7 + 9 = 16

Missing Number = 16

• Question 2

Write the missing number in the box below:

18 + 9 = ? 27
EDDIE SAYS

Method

18 + 9 = 27

Missing Number = 27

• Question 3

Write the missing number in the box below:

3 + 9 = ? 12
EDDIE SAYS

Method

3 + 9 = 12

Missing Number = 12

• Question 4

Write the missing number in the box below:

13 + 9 = ? 22
EDDIE SAYS

Method

13 + 9 = 22

Missing Number = 22

• Question 5

Write the missing number in the box below:

4 + 9 = ? 13
EDDIE SAYS

Method

4 + 9 = 13

Missing Number = 13

• Question 6

Write the missing number in the box below:

19 + 9 = ? 28
EDDIE SAYS

Method

19 + 9 = 28

Missing Number = 28

• Question 7

Write the missing number in the box below:

17 + 9 = ? 26
EDDIE SAYS

Method

17 + 9 = 26

Missing Number = 26

• Question 8

Write the missing number in the box below:

14 + 9 = ? 23
EDDIE SAYS

Method

14 + 9 = 23

Missing Number = 23

• Question 9

Write the missing number in the box below:

1 + 9 = ? 10
EDDIE SAYS

Method

1 + 9 = 10

Missing Number = 10

• Question 10

Write the missing number in the box below:

9 + 9 = ? 18
EDDIE SAYS

Method

9 + 9 = 18

Missing Number = 18

---- OR ----

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