Mental Math
Volume
Mutliplication
Division
Misc.
100

32x104

320,000

100

How do I find the volume of something?

Length x width x height

100

92x14

1,288

100

$14.49/7

$2.07

100
What is the name of the answer to a division problem?

quotient

200

43000/100

430

200

The area of the base is 19 cmand the height is 4 cm. What is the volume?

76 cm3

200

923x54

49,842

200

925/5

185

200

What is the number I am dividing?

dividend

300

986000/10

98,600

300

The total volume is 224 m3. The area of the base is 14 m2. What is the height?

16 m

300

152x23

3,496

300

650/26

25

300

I am selling cookies for $4.25 each. How much money will I make if I sell 22 cookies? (use a ratio table to help you!)

$93.50

400

675x102

67,500

400

14x3x2 

84 cubic unuts

400

988x75

74,1000

400

A store sells a box of donuts for $7.92. The store sells 6 donuts. How much is each donut?

$1.32

400

The fifth graders are going on a trip to the Mystic Planetarium. The kids are going in cars that can fit 4 people each. There are 135 people going. How many cars are needed to bring all 135 people? 

34 cars

500

243x103

243,000

500

The total volume is 160 cm2. The height is 10 cm and the width is 2 cm. What is the length?

8 cm

500

26x123

3,198

500

$154.50/6

$25.75

500

Matt spent $357.00 on 42 gifts for his family. He spent the same amount of money on each person. How much did he spend on each person?

$8.50