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Mental Math: Double-Digit Addition

4.0
(278 votes)
10 questions
English
Easy
1

83 + 18 =

101

Easy  80% got this right

2

30 + 27 =

57

Easy  96% got this right

3

42 + 43 =

85

Easy  97% got this right

4

77 + 11 =

88

Easy  97% got this right

5

12 + 67 =

79

Easy  97% got this right

6

33 + 92 =

125

Easy  97% got this right

7

44 + 53 =

97

Easy  97% got this right

8

29 + 58 =

87

Easy  97% got this right

9

15 + 14 =

29

Easy  97% got this right

10

78 + 67 =

145

Easy  98% got this right