Multiplying Decimals
Dividing Decimals
Fractions
Adding or Subtracting
Fun Questions
100

     35.5

x        2

71

100

  45  ÷ 0.5

90

100

What do we change the division symbol to when dividing fractions?

Multiplication   X

100

81.33 + 37.49

118.82

100

Steak is $5.45 per pound. If you buy 3 pounds how much do you pay?

$16.35

200

  20.4

x     3

61.2

200

    78  ÷ 0.2

390

200

What word is used that means "flip the fraction"

Reciprocal

200

53.60 + 60.79

114.39

200
Johnny has 8 pounds of chocolate. He fills treat bags with 0.5 pounds of chocolate. How many bags can he fill?

16

300

  1.1 x 5.5

6.05
300

 2.4  ÷ 0.6

4

300

When dividing fractions, if we start with a Mixed number, what must we do first before solving the problem?

Turn the Mixed number to an improper fraction

300

0.94 - 0.49

0.45

300

Frank has 4 feet of ribbon. She cuts the ribbon into 1/3 size pieces. How many 1/3 size pieces can she cut?

12

400

0.04 x 2.5

0.100

400

25  ÷ 0.4

62.5

400

When turning a Mixed number into an improper fraction, we take the Whole number and multiply it by what?

Denominator

400

0.76 - 0.59

0.17

400
How many minutes is  1/5 of an hour?

12

500

300 x .003

0.900

500

  50.4 ÷ 7

7.2

500

When multiplying fractions we can cross simplify by dividing numbers diagonally by their...

Common Factors or GCF

500

6.14 - 2.58

3.56

500

Oranges cost $.80.  If you buy 9 oranges,  how much change would you get back if you paid with a $10 bill?

$2.80