2nd Grade Math Quiz
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OPERATIONS AND ALGEBRAIC THINKING
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Look at the pattern:
2
+
2
=
4
2 + 2 = 4
2
+
2
=
4
,
3
+
3
=
6
3 + 3 = 6
3
+
3
=
6
,
5
+
5
=
10
5 + 5 = 10
5
+
5
=
10
. Which statement about these sums is correct?
A
All sums are odd because they come from adding the same number twice
B
All sums are even because adding any number to itself always gives an even result
C
Some sums are odd and some are even depending on the original number used
D
The sums cannot be predicted without checking each one
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