Ratio Rates Vocab

Less than

<

Greater than

>

read 0.7

zero and seven tenths

read 0.07

zero and seven hundredths

read 0.007

zero and seven thousandths

write as fraction 0.7

7/10

write as fraction 0.07

7/100

write as fraction 0.007

7/1000

How do you convert fraction to decimal? 7/10

top number 7 divided by bottom 10

terminating decimal

digits stop - example 0.7 & 2.56

repeating decimal

one or more of the digits continues 0.3333333…. Place a bar over the number(s) to show what continues

rate

comparison of numbers with different units - $5/ 2 candy bars

unit rate

comparison of numbers with different units and a denominator of 1 - $2.50/ 1 candy bar

equivalent fractions or equivalent rates

have same value if simplified 2/4 & 1/2

motion rates

compare distance and time - 5 miles/ 1 hour & 4 ft/ 2 secs

rate conversion

change feet into inches - km into meters - hours into minutes

write as a decimal 7/10

0.7

write as a decimal 7/100

0.07

write as a decimal 7/1000

0.007

area

number of square units needed to cover a surface

conversion

renaming measurements using different units

perimeter

distance around a shape

Ratio

Comparison of two quantities (a and b). Can be writing with a colon (a:b), in fraction form (a/b), and in words (a to b).

Part

A portion of the whole.

Whole

100% of a quantity.

Percent

A rate per 100.