Mental Math
30+30
60
Mental Math
20-10
10
MENTAL MATH
37 + 68 =
105
MENTAL MATH
2 x 12
24
136/4
34
What is 36 divided by 6
6
Mental Math
7 x 2 = ?
14
5649 - 3495
2151
345,134 + 56,134 =
401,268
MENTAL MATH
500 x 54 = ?
27,000
Mental Math
42 divided into 6 groups
7
A watering can contains 980 milliliters of water. Some water is used to water the plants. In the end,350 milliliters of water are left. How much water is used to water the plants?
980 - 350 = 630
630 milliliters of water is used.
Mental Math
60 divided by 3=
20
Mental Math
60 - 30 =
30
MENTAL MATH
98 + 499 =
597
5676 x 5 = ?
28,380
MENTAL MATH
7160 / 5
1432
Arrange from most expensive to least expensive if they buy lunch 5 days per week:
Alice spends $3 per day; Betty spends $25 every 2 weeks; Cindy spends $75 per month (assume 4 weeks in a month)
Cindy, Alice, Betty
Mental Math
20x45
900
54,642-318
54,324
MENTAL MATH
30 + x = 951
x = 921
Mental Math
4 x 7 =
28
MENTAL MATH
1647 / 3
549
6587cmx2=?
Give your answer in meters.
13,174cm = 131 meters, 74 centimeters.
Mental Math
Solve for n:
n x 3 = 15
5
562-191
371
MENTAL MATH
155 + 245 = ?
400
345 x 5 =
1725
MENTAL MATH
675 / 5
135
In a story, a tortoise and a hare take part in a race. They have to run up and down the same hill. The distance from the foot to the top of the hill is 996 meters. The hare takes a nap after running 578 meters. How much further must the hare run to complete the race? Give your answer in kilometers and meters.
996 + 996 = 1,992
1,992 - 578 = 1,414
1,414 m = 1 kilometer 414 meters