Mental Math
Calculate
Thinking Ahead
Word Problems
Surprise!!!
100
.2 x .9
What is .18
100
5.7 x 0.06
What is .342
100
2.9 + .56
What is 3.46
100

Mrs. Pace bought 6 packs of erasers. Each pack cost $.95. How much did she pay for all 6 packs? 

What is $5.70?

100

254.8 x 1,000

What is 254,800

200
.1 x .4
What is .04
200
7.6 x 0.8
What is 6.08
200
1.69 + 15
What is 16.69
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 2,137.99 to the nearest tenth.

What is 2,138

300
.7 x .9
What is .63
300
1.63 x 5.4
What is 8.802
300
6.5-2.8
What is 3.7
300

Alyaanah's house has 4.7 pounds of candy in the basement. Each pound was bought at $.89. How much did her family spend on candy? 


(Remember what we do to our product when we're dealing with money!)

$4.83

300

Each month, Mrs. Snyder bikes 0.86 mile to the garden. Then, she bikes 2.3 miles along the river back home. About how many miles will Mrs. Snyder bike in a year? 

36 miles

400
.25 x 4
What is 1
400
0.38 x 0.75
What is .285
400
9.4-6.48
What is 2.92
400

Mr. Kajdan has 48 nails in his tool bag that each weigh 1.35 ounces. He also has a hammer that weights 45 ounces. What is the weight of these nails and the hammer in ounces? 

What is 65 ounces

400

16,000 x 100

1,600,000

500
.05 x 0.6
What is .030 or .03
500
1.68 x .50
What is 0.84
500
10-.368
What is 9.632
500

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

What is $19

500

Use <, >, = 

0.779_____ .8

What is <

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