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Working Out Missing Numbers: What's the Value (0-20)?

In this worksheet, students use the information they have to calculate a missing number in the number range 0 to 20.

'Working Out Missing Numbers: What's the Value (0-20)?' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Solve Add/Subtract Problems to 20

Difficulty level:  

Worksheet Overview

Working Out Missing Numbers

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

To identify the missing number, the given number is subtracted from the total number.

 

Example:

Find the missing number in the sentence below

? + 4 = 8

Method:

8 - 4 = ?

 

Answer:

Missing number = 4

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