FRAME NUMBER 9
LEVEL A
RULE NO. 3. To find the value of a ratio, the first term (antecedent) is divided by the second
5
term (consequent). Example: In a ratio
or 5:8, 5 is divided by 8, to obtain the decimal value of .625.
8
Show the decimal value of the following ratios:
b.1
a. 5
c. 4:7
4
8
FRAME NUMBER 22
LEVEL B
A proportion 2 = 4 or 2:4 = 4:8 is verbally expressed 2 is to 4 as 4 is to 8. Then, a proportion
4
8
3 = 6 is verbally expressed:
4
8
FRAME NUMBER 35
LEVEL C
Driving from one town to the next, you get an odometer reading of 6.5 miles. The same route
on a map measures 11.44 inches. What is the scale of the map?
NOTE: 1 mile = 63,360 inches.
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