Mental Math
50 + 50 + 10
110
Mental Math
60 - 10 =
50
MENTAL MATH
9.81 x 3.1 =
What is 30.411?
How many tens
784
8
MENTAL MATH
400 / 5 =
80
What is 32 ?
9
What is the rule for adding a positive and a negative?
Ex. 5+(-4)
Mental Math
100 + 900 =
1000
Mental Math
9 - 15
-6
900 x 72 =
What is 64,800?
MENTAL MATH
135 x 3 =
405
Mental Math
54 / 6 =
9
What is 92
81
9+(5+y)=
What is (9+5)+y= 14+y?
5 + 5 + 5 +5
20
562-100
462
MENTAL MATH
155 x 244 = ?
Mental Math
20 x 41 =
820
MENTAL MATH
what is 1/4 in decimal form?
.25
What is 33 ?
27
Numbers: What number set is a fraction in?
What is rational?
Mental Math
1048 + 200 =
1248
Mental Math
250-150
100
MENTAL MATH
37 x 63 =
What is 2331?
MENTAL MATH
8 x 9 x 2 =
140/10
14
What is 62 ?
36
What do you call a number to the second power?
What is squared?
Mental Math
865 + 10
875
649-349
349
MENTAL MATH
9 x ____ = 81
What is 9?
Mental Math
135 x 3 =
405
MENTAL MATH
3/9 in decimal form
.3333333.......
What is 52 ?
25
What do you call a number raised to the 3rd?
What is cubed?