Multiplying Decimals

Mental Math

100

.022 x .3

What is .0.66

200

.09 x .12

What is 1.08?

300

.70 x 1.2

What is 8.4

400

.25 x 4.5

What is 13.5?

500

.5 x .633

What is 3.165

RanDoM

100

4.7 x 0.06

What is .0282?

200

37.6 x 0.8

What is 30.08?

300

1.63 x 5.4

What is 8.802

400

1.38 x 0.7

What is .966?

500

1.68 x .50

What is 0.84

Logic

100

3.14159+2.56589

What is 5.70748

200

Shirley wants to test the sturdiness of a bridge. To do this, she takes 5 steps forward, then 4 steps back. If the bridge is 20 steps long, how many times must she do this?

16

300

What is the planet two to the right from the planet three to the left from the planet four to the right of Mars?

Uranus

400

A Roman man wanted to visit the emperor, but forgot the password to get past the guard. The man hid behind a pillar and listened for the password. The first visitor walked up to the guard. The guard said ¨12¨ and the guest said ¨6¨. The guard let him in. A second guest came. The guard said ¨6¨and the guest said¨3¨ and the guard let him in. By now the earliest man was confident, so he walked up to the guard. The guard said ¨10¨ and the man said ¨5¨ but was turned away. What should he have said?

What is 

500

Nine boats are racing across the bay and back. Three boats spring a leak and have to turn back. How many boats make it to the other side?

3

Word Problems

100

Hamlet ordered 9 pizzas. Each pizza costs $13.95. How much does he need to pay?

What is $125.55

200

Joseph has seen the movie "Hunger Games" 3 times this year. Friday night he went to watch it again. He bought a coke for $1.95 and 2 boxes of popcorn for $4.50 each. How much did he spend?

What is $10.95

300

George needs to change 0.02 to a whole number. How does he do this? (Do not tell me to move the decimal 2 places to the right)

What is multiply by 100

400

Bob went to the store to buy some fruit. He bought 4.2 lbs of apples at $0.78 per pound. He also bought 2.64 lbs of oranges at $0.96 per pound. How much did Bob spend on fruit?

What is $5.81

500

Sherman went to the water park 4 times this year. Each time he goes he buys a hot dog for $1.50, a coke for $1.25, and a snow cone for $2. How much did Sherman spend at the water park this year?

What is $19

Multi-step

100

2.2{6[3(2+4)]}

What is 237.6?

200

Round 7.99 to the nearest tenth, then multiply by 3.

What is 24

300

548.34 divided by 2³. Then, subtract 7.

What is 61.54 ^r2

400

72 - [(8+6) x 2]

What is 44

500

 65.45-[2⁴+2(5)]/4

What is 45.45?