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Which numbers are the addends? 4 + 3 = 7
4 and 3
Which numbers are the addends? 18 + 3 = 21
18 and 3
Which numbers are the addends? 20 + 12 = 32
20 and 12
What does "sum" mean?
the answer to an addition problem
What does "difference" mean?
the answer to a subtraction equation
Find the sum. 12 + 12 =
24
Find the sum. 8 + 7 =
15
Find the sum. 6 + 5 =
11
Find the difference. 10 - 4 =
6
Find the difference. 10 - 5 =
5
Change the order of the addends. 4 + 3 = 7
3 + 4 = 7
Change the order of the addends. 12 + 9 = 21
9 + 12 = 21
Find the sum. 7 + 7 =
14
Find the difference. 13 - 5 =
8
Find the sum. 1 + 3 + 4 =
8
Find the sum. 7 + 3 + 4 =
14
