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Mental Math
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100
.2 x .9
What is .18
100
5.7 x 0.06
What is .342
100

0.305 x 10 = ?

3.05

100
Hamlet ordered 9 pizzas. Each pizza costs $13.95. How much does he need to pay?
What is $125.55
100
254.8 x 10^3
What is 254,800
200
.1 x .4
What is .04
200
7.6 x 0.8
What is 6.08
200

How many places should you move the decimal point when multiplying by 1000?

3

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
200
Round 7.99 to the nearest tenth.
What is 8
300
.7 x .9
What is .63
300
1.63 x 5.4
What is 8.802
300

.915 x 1000 = ?

915

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
300
548.34 divided by 10^2
What is 5.4834
400
.25 x 4
What is 1
400
0.38 x 0.75
What is .285
400

What  is the best estimate of the product: 49.87 x 15

750

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
400
72 - [(8+6) x 2]
What is 44
500
.05 x 0.6
What is .030 or .03
500
1.68 x .50
What is 0.84
500

What is the estimate circumference of a circle shaped pool if the diameter is 28 feet. Pi= 3.14

What is 84

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
500
Use <, >, = 0.779_____ .8
What is <