Page 21 - math primary 2 second part_Neat

Relation between addition & subtraction

Lessons( 91 ) 10
6 , 4 , 10
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6 + 4 = 10
4 + 6 = 10
10 - 4 = 6
10 - 6 = 4

E. x (1) complete each of the following family of
facts .

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