S2 Vocab Review

Front

What is a ratio?

Back

relationship between 2 numbers

Front

Proportion:

Back

Equivalent ratios (like 5/10 and 1/2)

Front

What is a rate?

Back

A ratio with 2 different units (like 22 yards in 8 seconds)

Front

Unit rate: amount for 1 unit (e.g., 50 miles/1 hour)

Back

amount for 1 unit (like 50 miles per 1 hour)

Front

Identity property of multiplication:

Back

Multiplying a number by 1 gives you itself.

Front

Inverse of 17 for multiplication?

Back

Put 17 in the denominator or divide by 17.

Front

What is a dimension?

Back

a measurement in 1 direction

Front

4 quarts = 1 gallon. Convert 100 quarts to gallons.

Back

100 / 4 = 25 gallons.

Front

4 quarts = 1 gallon. Convert 100 gallons to quarts.

Back

100 x 4 = 400 quarts