2nd Grade Math Quiz
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NUMBER AND OPERATIONS IN BASE TEN
Question 1
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Why does the break-apart strategy work for solving
34
+
25
34+25
34
+
25
by adding
30
+
20
30+20
30
+
20
and
4
+
5
4+5
4
+
5
separately?
A
It adds all the digits together
B
It uses tens with tens and ones with ones
C
It always makes a ten first
D
It counts backward to subtract
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