Ratios Rates & Unit Rates Ratio Tables Equivalent Ratios Chapter 4 Ratios & Rates Ratios Rates & Unit Rates Ratio Tables Equivalent Ratios

4-1 (A & B) Ratios A Ratio compares 2 numbers and can be written as: 5 to 7 ; 5:7 Or 5 7 -Simplify your ratios but DO NOT change an improper fraction to a mixed number. -Convert to same units to reduce: 5 in = 5 in 4 ft 48 in

Unit Rate (4-1/C) & (4-1/D)Rate Unit Rate –a Rate that has a unit of 1. Ex. $5 / 1 hour or $ 5 1 h Rate is a comparison of 2 numbers with different units of measure. Ex. $15 in 3 hours or $15 3 h

4-2 (A) Ratio Tables Cups Of Icing 1 2 3 4 5 6 Cans of Water 9 12 15 + 1 Cups Of Icing 1 2 3 4 5 6 Cans of Water 9 12 15 18 + 3 This is called a Ratio Table because the columns are filled with pairs of numbers that have the same ratio.

4-3 (A-C) Equivalent Ratios 10 prints 5 prints 35 prints $2 $1 $7 10 prints 35 prints $2 $7 Rates that have the same Unit Rate are equivalent to each other. Scaling down Scaling up =