4 3 A Equivalent Ratios Equivalent means EQUAL

4. 3 A – Equivalent Ratios

Equivalent means EQUAL! Determine if 20 rolls for $5 and 48 rolls for $12 are equivalent rates. 1 st Write each rate as a fraction. 2 nd Find its unit rate. ÷ 12 ÷ 5 20 rolls _____ $5 = ÷ 5 4 rolls _____ 48 rolls _____ $1 $12 = 4 rolls _____ ÷ 12 rolls _______ YES – they have the same unit rate! 4 $1 Remember to find a Unit Rate use division! $1

How about this one? Determine if 42 people on 7 teams and 64 people on 8 teams are equivalent rates. 1 st ÷ 7 42 people ______ 7 teams = ÷ 7 Write each rate as a fraction. 2 nd Find its unit rate. ÷ 8 6 people ______ 64 people ______ 1 team 8 teams = 8 people ______ 1 team ÷ 8 NO- They have DIFFERENT unit rates, one is 7 and the other is 8!

Are 2 things equivalent? Determine if 5 laps swum in 8 minutes and 11 laps swum in 16 minutes are equivalent rates. 1 st If you can’t figure out who goes with who, LABEL them! 2 nd See if they are equal to each other!!! × 2 ? ______ 5 laps 11 laps ______ 8 minutes NO! = 16 minutes × 2 They are NOT equal to each other!!!

Here is an equal one… Determine if 8 corrals with 56 horses and 4 corrals with 28 horses are equivalent ratios. 1 st Write each rate as a fraction. 2 nd See if they are equal to each other!!! ÷ 2 8 corrals ? ______ 4 corrals ______ 56 horses = 28 horses ÷ 2 YES! They are equivalent this time!