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

An art teacher spent $15.62 for red paint. He spent 2.5 times as much for blue paint. How much did he spend for blue paint?

What is $39.05

200
.1 x .4
What is .04
200
7.6 x 0.8
What is 6.08
200

The book store is having a sale on bookmarks. Each bookmark is on sale for $0.84. Each student in Ms. Duke's class decides to buy a bookmark. There are 23 students in Ms. Duke's class. How much will the class spend on bookmarks at the book store?

What is 19.32

300
.25 x 4
What is 1
300
0.38 x 0.75
What is .285
300

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

What is 3.276

400
.05 x 0.6
What is .030 or .03
400
1.68 x .50
What is 0.84
400

What is the product of 96.5 x 2.4?

What is 231.6