Mystery
Subtract!
Add!
Multiply!
Divide!
Miscellaneous
Riddles
100
Find the area
84
100
Mental Math
1000-107
893
100
849+2837=
3686
100
MENTAL MATH
2 x 12
24
100
136/4
34
100
What is 36 divided by 6
6
100
How many sides does a circle have?
two sides the inside and the outside
200
Mental Math
70 x 20 x 200 = ?
280000
200
5649 - 3495
2151
200
345,135 + 56,135=
401,270
200
MENTAL MATH
500 x 54 = ?
27,000
200
Mental Math
42 divided into 6 groups
7
200
10,200 x 4
30,800
200
What number goes up and doesn’t come back down?
Your age
300
Find the volume
144
300
Mental Math
600 - 38 =
562
300
MENTAL MATH
98 + 499 =
597
300
5676 x 5 = ?
28,380
300
MENTAL MATH
7160 / 5
1432
300
720x2=?
1440
300
If you buy a rooster for the purpose of laying eggs and you expect to get three eggs each day for breakfast, how many eggs will you have after three weeks?
None, because roosters do not lay eggs.
400
Find the volume
1344cm3
400
54,642-318
54,324
400
MENTAL MATH
30 + x = 951
x = 921
400
Mental Math
7 x 7 =
49
400
MENTAL MATH
1647 / 3
549
400
1900/20=
95
400
What weighs more, a pound of iron or a pound of feathers?
Both would weigh the same
500
726x23=
16698
500
562-192
370
500
MENTAL MATH
155 + 245 = ?
400
500
345 x 5 =
1725
500
MENTAL MATH
675 / 15
45
500
600/60=
10
500
If there are 4 apples and you take away 3, how many do you have?
3