Mental Math (Addition)
Mental Math
5 + 5 + 5 + 8
23
Name the operation:
Ms Gaby had 14 journals. If she gave 7 journals away, how many journals does she have now?
4
What is 84 ÷ 12?
7
MENTAL MATH
2x 4 =
8
Convert 9/4 to a mixed number
2 1/4
If you eat 3/4 of a pizza, how many quarters of the pizza are left?
1/4
Mental Math
50 + 50 + 10
110
MENTAL MATH
60 - 10 =
50
What is 130 ÷ 10?
13
MENTAL MATH
9x8
72
Convert 11/3 to a mixed number.
3 2/3
Which is bigger: 1/3 or 1/4?
1/3
Mental Math
100 + 900 + 30 + 29 =
1059
MENTAL MATH
15 - 9
6
What is 456 ÷ 3?
MENTAL MATH
12 x 4 x 2 =
96
Convert 17/6 to a mixed number.
2 5/6
If you have 5 oranges and give away 2, what fraction of the oranges did you give away?
Mental Math
104 + 238 =
342
MENTAL MATH
250-150-6
What is 948 ÷ 4?
237
MENTAL MATH
8 x 15 =
120
Convert 16/5 to a mixed number.
3 1/5
If you cut a cake into 8 pieces and eat 3, what fraction of the cake is left?
Mental Math
865 + 17 + 49 =
931
MENTAL MATH
54-6-3
What is 732 ÷ 6?
122
MENTAL MATH
5 x 3 x 3 =
45
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One hour is 60 minutes. What fraction of an hour is 15 minutes?
1/4