Addition
Mental Math
5 + 5 + 5 + 8
23
MENTAL MATH
21 - 17 =
4
MENTAL MATH
5 + 247 = ?
252
MENTAL MATH
2x 4 =
8
What is the biggest bird in the world?
the ostrich
Mental Math
1/2 + 1/2
1
Mental Math
50 + 50 + 10
110
MENTAL MATH
127 - 77 =
50
MENTAL MATH
98 + 4 =
102
MENTAL MATH
9x5
45
What happens during a solar eclipse?
The Moon passes between the Earth and the Sun.
Mental Math
3 x 1/2
3/2
Mental Math
100 + 900 + 30 + 29 =
1059
MENTAL MATH
9 - 15
-6
MENTAL MATH
5 + 4 + 32 =
41
MENTAL MATH
13 x 3 =
39
When was the Declaration of Independence signed?
July 4, 1776
Mental Math
12
Mental Math
104 + 238 =
342
MENTAL MATH
250-150-6
MENTAL MATH
37 + 63 =
100
MENTAL MATH
18 x 15 =
270
Who invented the telephone?
Alexander Graham Bell
Mental Math
1/4 x 1/2
1/8
Mental Math
865 + 17 + 49 =
931
MENTAL MATH
6-3-54
-51
MENTAL MATH
10 + 15 + ___ = 241
216
MENTAL MATH
5 x 3 x 9 =
135
What country gave the U.S. the Statue of Liberty?
France
Mental Math
1/8 + 1/2
5/8