Numbers

1-42 Adding Three Numbers

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4
3
+ 1 First add 4
+ 3
7 then 7
+ 1
8 so 4
3
+ 1
8

 

5
2
+ 1 First add 5
+ 2
then 7
+ 1
so 5
2
+ 1
8

 

Fill in the boxes.

3 2 5 4 9 6 0 1 2 8
4 1 2 4 0 1 5 3 6 2
+ 1 + 6 + 1 + 2 + 1 + 2 + 4 + 6 + 1 + 0
3 5 7 0 1 3 2 6 9 10
2 4 1 3 1 5 6 2 1 0
+ 4 + 0 + 1 + 4 + 8 + 1 + 0 + 2 + 0 + 0

 
 

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