Say What?
Mental Math
10+10 + 30 =
50
Mental Math
52-38=
14
MENTAL MATH
-3+-3 =
-6
MENTAL MATH
4 x (-4)
-16
16/4
4
The answer to a multiplication problem is called the-
Product
difference
quotient
sum
product
3+ ___ = 6
3
5+6+5 =
11
5 - (-5) =
MENTAL MATH
10 + -5 =
5
Mental Math
50 x 4=
200
MENTAL MATH
100 /1
100
The answer to an addition problem is called the-
product
sum
difference
quotient
sum
5 x____= 80
16
Mental Math
12 X ____ = 48
4
Mental Math
20 - (-19) =
39
MENTAL MATH
98 + 99 =
197
Mental Math
6 X 9 =
54
MENTAL MATH
18 divided into 3 groups
6
The "difference" is the number found when
a.adding
b.subtracting
subtracting
3 x __ + 4 = 10
2
Mental Math
24
16
-5 -( 5 )=
-10
MENTAL MATH
30 + __ = 131
101
Mental Math
9 X 12 =
(Hint: use distributive property)
108
MENTAL MATH
45 divided into 5 groups
9
The answer to a division problem is called the
product
sum
quotient
difference
quotient
x/5 = 7
35
Mental Math
9 x 2 + 9+2
36
Mental Math
Shane's mom said to take a break after lunch at 12:30 p.m. His break was over at 1:15 p.m. How long was his break or how many minutes was his break?
45 minutes
143 + 143 =
286
MENTAL MATH
504 x 3 =
(Use distributive property)
1512
33 divided into 6 groups
(Decimal)
5.5 or 5 1/2
It is a whole number that is either greater than zero or less than zero.
integer
x + 1.2 = 4.1
2.9