Addition
5 + 5 + 5 + 8
23
MENTAL MATH
5-1
4
MENTAL MATH
5 + 245 = ?
MENTAL MATH
12x 4 =
36
MENTAL MATH
what is 1/4 in decimal form?
.25
What does this symbol stand for "π "?
Pi
Mental Math
50 + 50 + 10
110
MENTAL MATH
60 - 10 =
50
MENTAL MATH
98 + 4 =
102
MENTAL MATH
19x5
95
MENTAL MATH
400 / 5 =
80
Continue the pattern 0,1,1,2,3,5,8,...,... (Bonus points if you know the name)
13, 21
Mental Math
100 + 900 -321 =
679
MENTAL MATH
9 - 15
-6
MENTAL MATH
15,456-10,987=
4469
MENTAL MATH
13 x 10 =
130
Mental Math
54 / 6 =
9
How many seconds are there in an hour?
3600 seconds
MENTAL MATH
10444 + 200 =
10644
MENTAL MATH
250-150
100
MENTAL MATH
37 + 63 =
100
MENTAL MATH
4x11
44
1400/10
140
If you are in a race, and you pass the person at the 2nd place, which position are you at right now?
2nd
Mental Math
865 + 10
875
MENTAL MATH
14,368-987=
13,381
MENTAL MATH
89+ ___ = 567
478
100x100
1000
MENTAL MATH
3/10 in decimal form
0.3
What does this symbol stands for "%"?
Percentage. How much of one thing is in the other.