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Equivalent Expressions
Correct Answers:
1.
What number added to 4 gives the sum of 8 and 2?
2.
What number should go into the blank to make the expressions equivalent?
a.
7 + 4 = 9 +
b.
14 + 3 =
+ 11
c.
9 − 3 = 12 −
d.
16 − 7 = 18 −