Addition
5 + 5 + 5 + 8
23
MENTAL MATH
23-9
14
MENTAL MATH
5 + 245 = ?
MENTAL MATH
8x 6 =
48
MENTAL MATH
what is 1/4 in decimal form?
.25
1/2 * 3/4
3/8
What is substitution?
Substitution means replacing the variables in an algebraic expression, equation or inequality.
Mental Math
50 + 50 + 10
110
MENTAL MATH
60 - 10 =
50
MENTAL MATH
98 + 4 =
102
MENTAL MATH
7*7
49
MENTAL MATH
400 / 5 =
80
3 x 1/2
3/2 or 1 1/2
What is the identity property?
Identity property states that when any number is combined with an identity either 0 or 1, the end result will be the number itself.
Mental Math
100 + 900 =
1000
MENTAL MATH
9 - 15
-6
MENTAL MATH
5 - 8
MENTAL MATH
13 x 3 =
39
Mental Math
54 / 6 =
9
3/5 * 1/2
3/10
What is the distributive property?
The distributive Property States that when a factor is multiplied by the sum/addition of two terms, it is essential to multiply each of the two numbers by the factor, and finally perform the addition operation.
MENTAL MATH
104 + 200 =
304
MENTAL MATH
250-150
100
MENTAL MATH
37 + 63 =
100
MENTAL MATH
9 x 13 =
117
140/10
14
1/2 + 1/2
1
122
144
Mental Math
865 + 10
875
MENTAL MATH
15-8
MENTAL MATH
26 - 5
21
MENTAL MATH
5 x 3 x 3=
MENTAL MATH
3/10 in decimal form
0.3
1/8 * 2/3
2/24 = 1/12
152
225