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Zero and the Order
Properties of Addition
High score:
0
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Your score:
0
Total number of items:
21
Average:
0%
Review Answers
Add. Fill in the blank with the correct answer.
1.
3
+
1
1
+
3
2.
2
+
4
4
+
2
3.
7
+
1
1
+
7
4.
5
+
1
1
+
5
5.
4
+
1
1
+
4
6.
1
+
6
6
+
1
7.
1 + 0 =
0 + 4 =
0 + 6 =
8.
2 + 0 =
5 + 0 =
7 + 0 =
9.
3 + 0 =
9 + 0 =
0 + 8 =
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