Say What?
6 x 8 x 2
96
562-191
371
MENTAL MATH
155 + 245 = ?
400
Mental Math
20 x 0.4 =
8
MENTAL MATH
what is 1/4 in decimal form?
.25
What is the inverse of multiplication
Division
What is 5²?
25
Mental Math
7 x 2 divided by 14 = ?
1
(20x5) - 32 = ?
100 - 32 = 68
(250 : 5) - 3 = ?
50 - 3 = 47
MENTAL MATH
11 x 12 =
132
Mental Math
54 divided into 6 groups
9
h/3=12.
What is h?
h=36
What is 9 squared?
81
Mental Math
599 - 489 - 30 + 15 = ___
95
Mental Math
236-159
77
MENTAL MATH
-4 - 14 =
-18
MENTAL MATH
8 x 9 x 2 =
144
140/5
28
600a=2,400
a=4
What is another way to say 1/4 (one quarter)?
0.25 (zero point two five or leave out the zero and just say point two five)
Mental Math
6 divided by 3 plus 5
7
Mental Math
12 X ____= 24.
2
MENTAL MATH
98 + 499 =
597
Mental Math
500 x 0.25 = ?
125
MENTAL MATH
What is 1/8 of 400?
50
10=15b-5
What is b?
b=1
What is 3 + (-3) ?
0
Mental Math
3x3x3x2
54
Mental Math
Fiona wants to buy a phone charger worth $42.65, but she only has a $50 bill How much change will she receive?
$7.35
MENTAL MATH
13 + ___ = 241
228
Mental Math
844 x 0.5 =
422
MENTAL MATH
1/2 in decimal form
.5
s/4-11=-15
s=-16
What is the opposite of -5?
5