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What number added to 4 makes 8? 8
4
8
8 = 4 + 4 
What is the difference between 10 and 6? 10
6
10
4 = 10  6 

What do you have to add to 5 to make 9? 9
5
9
5 + 4 = 9 
What do you subtract from 6 to leave 2? 6
2
6
2 = 6  4 
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What number plus 6 makes 10? 10
6
10
10 = 4 + 6 
What is 8 subtract 4? 8
4
8
8  4 = 4 
What is the difference between 7 and 9? 9
7
9
9  7 = 2 
What number added to 1 makes 6? 6
1
6
6 = 1 + 5 
What number plus 7 makes 8? 8
7
8
8 = 1 + 7 
What do you have to take away from 10 to get 3? 10
3
10
3 = 10  7 
9 subtract what leaves 4 ? 9
4
9
9  5 = 4 
What number plus 2 makes 7? 7
2
7
5 + 2 = 7 
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The various resources listed below are aligned to the same standard, (1OA06) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above.
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13  4 = 13  3  1 = 10  1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12  8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).