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Adding and taking away tens and ones, and what the equals sign really means.

Grade 110 questions
1

7 + 2 = ?

2

10 - 4 = ?

3

6 + 3 = 9

TrueFalse
4

5 + 4 = 10

TrueFalse
5

20 + 30 = ?

23405060
6

45 + 10 = ?

7

60 - 20 = ?

30405080
8

8 = 3 + 5

TrueFalse
9

34 + 5 = ?

10

Which number makes this true? 7 + __ = 12

45619
0 of 10 answered