Addition?
Mental Math
100 + 900 =
1000
Mental Math
96-65
31
345 + 134 =
479
MENTAL MATH
135 x 3 =
405
Mental Math
54 / 6 =
9
What is the opposite of Multiplication?
Division
Mental Math
1048 + 200 =
1248
Mental Math
250-150
100
MENTAL MATH
37 + 63 =
100
MENTAL MATH
8 x 9 x 2 =
140/10
14
What is the sign for addition?
+
Mental Math
865 + 10
875
649-349
349
MENTAL MATH
10 + ___ = 241
231
Mental Math
135 x 3 =
405
MENTAL MATH
20/2
10
What is the sign for minus?
-
5 + 5 + 5 +5
20
562-100
462
MENTAL MATH
155 + 245 = ?
400
Mental Math
20 x 41 =
820
MENTAL MATH
18/6
3
What is the opposite of division?
Multiplication
Mental Math
50 + 50 + 10
110
Mental Math
60 - 10 =
50
MENTAL MATH
98 + 499 =
597
9 x 5
45
MENTAL MATH
400 / 5 =
80
What is the opposite of addition?