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Working Out Missing Numbers: What's the Value (0-12)?

In this worksheets, students identify the missing numbers on the cards (adding three numbers 0-12).

'Working Out Missing Numbers: What's the Value (0-12)?' 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

Adding whole numbers means that we are combining numbers to form a total.

To identify the missing number on the card (adding three numbers 1-12), the sum of the numbers given is subtracted from the total.

 

Example:

Write the missing numbers on the cards.

 

Method:

6 + 1 = 7

9 - 7 = 2

 

Answer:

Missing number = 2

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

Write the missing numbers on the card.

  • Question 1

Write the missing numbers on the card.

CORRECT ANSWER
2
EDDIE SAYS

Method

4 + 2 = 6

8 - 6 = 2

Missing Number = 2

  • Question 2

Write the missing numbers on the card.

CORRECT ANSWER
1
EDDIE SAYS

Method

4 + 3 = 7

8 - 7 = 1

Missing Number = 1

  • Question 3

Write the missing numbers on the card.

CORRECT ANSWER
1
EDDIE SAYS

Method

8 + 1 = 9

10 - 9 = 1

Missing Number = 1

  • Question 4

Write the missing numbers on the card.

CORRECT ANSWER
8
EDDIE SAYS

Method

1 + 1 = 2

10 - 2 = 8

Missing Number = 8

  • Question 5

Write the missing numbers on the card.

CORRECT ANSWER
1
EDDIE SAYS

Method

6 + 2 = 8

9 - 8 = 1

Missing Number = 1

  • Question 6

Write the missing numbers on the card.

CORRECT ANSWER
5
EDDIE SAYS

Method

3 + 1 = 4

9 - 4 = 5

Missing Number = 5

  • Question 7

Write the missing numbers on the card.

CORRECT ANSWER
2
EDDIE SAYS

Method

4 + 2 = 6

8 - 6 = 2

Missing Number = 2

  • Question 8

Write the missing numbers on the card.

CORRECT ANSWER
2
EDDIE SAYS

Method

6 + 1 = 7

9 - 7 = 2

Missing Number = 2

  • Question 9

Write the missing numbers on the card.

CORRECT ANSWER
1
EDDIE SAYS

Method

3 + 3 = 6

7 - 6 = 1

Missing Number = 1

  • Question 10

Write the missing numbers on the card.

CORRECT ANSWER
5
EDDIE SAYS

Method

2 + 1 = 3

8 - 3 = 5

Missing Number = 5

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