FRAME NUMBER 8

LEVEL A

RULE NO. 2. Since ratios may be written in the form of a fraction, rules pertaining to fractions

6 may be reduced to

2

may be used, such as reducing to lowest terms. Example:

. Write the

9

3

following

ratios in fractional form in their lowest terms:

b. 3

a. 4:16

c. 9:24

18

FRAME NUMBER 21

LEVEL B

Proportions, like ratios, may be written in different forms. A proportion 2

=4

may be

3

6

written 2:3 = 4:6. Write the following in different forms:

a. 3

=6

(

)

b. 2:5 = 4:10 (

)

4

8

FRAME NUMBER 34

LEVEL C

If 15 carpenters can construct a building in 28 days, in how many days can 21 carpenters do the

same Job?

17

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