1. 4.3A – Equivalent Ratios

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

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

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

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