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Missing Number: Addition and Subtraction to 10 - #1

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Find the missing numbers and fill in the boxes below to make the equations correct. The first one is done for you.
12 + 3 = 15
 
15 + 3 = 18
 
15 - 1 = 14
14 + 2 = 16
 
18 - 2 = 16
 
11 + 6 = 17
13 - 3 = 10
 
12 + 1 = 13
 
4 + 14 = 18
16 + 3 = 19
 
14 - 3 = 11
 
17 + 3 = 20
7 + 8 = 15
 
14 - 5 = 9
 
9 + 5 = 14
8 + 8 = 16
 
16 - 9 = 7
 
15 - 7 = 8

Page: 1 | 2 | 3 | 4

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An Addition and Subtraction Worksheet - By HelpingWithMath.com

Related Resources

The various resources listed below are aligned to the same standard, (1OA08) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above.

Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ - 3, 6 + 6 = _.

Worksheets

To 10
To 20
Worksheet Generator

Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Work with addition and subtraction equations

 

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