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Conversions
Operations with decimals
Finding %
rates and ratios
Mixed Bag!
100

Convert from fraction to decimal

9/25

0.36

100

Calculate:

23.07 + 103.659 + 9.9

136.629

100

25% of 128

32

100

simplify the ratio:

5:20:15

1:4:3

100

5/3 + 3/4

11/12

200

Convert from decimal to fraction

0.32

8/25

200

2.57 x 3

7.71

200

155% of 60

93

200

simplify the ratio:

28:21:14

4:3:2

200

simplify 

2/5 x 3/7

6/35

300

Convert from a decimal to a percentage

0.45

45%

300

35.756/4

8.939

300

55% of 78

42.9

300

what is the average rate of growth per year:

65cm in 10 years

6.5cm/year

300

 -5 x 5 + (3 x 3) - 8 x 2

-32

400

Convert from a percentage to a fraction in its simplest form

20%

1/5

400

4.13 x 9.6

39.648

400

express 42 as a % of 65

42/65 x 100

= 64.62

400

write as a simplified rate:

$180 in 6 hours

$30/hr

400

-3 + 6 + (12/3) x 3 - 2 x 3

9

500

Convert from a fraction to a decimal

6/8

0.75

500

9.7 - 2.86

6.84

500

express 35 as a percentage of 70

50%

500

15km run in 60 minutes

0.25km/min

or 

250m/min

500

15 - 3 x 4 + 2 x (-4 x 4)

35