MFM 1PDate:______
Ratios and Proportions Review
Test Date: ______
EQUIVALENT RATIOS
- Write two equivalent ratios for each of the following:
a)3 : 5b) 36 : 42c) 15 : 10d) 225: 35
e) 5 : 12 : 9
- Orange juice is mixed from concentrate and water. Which mix is stronger?
EQUIVALENT RATIOS AND PROPORTIONS
- Determine the value of each variable
a)3 : 4 = 9 : nb) a : 35 = 4 : 20
c) 10: 20 = 21 : ed) 20 : m = 15 : 18
e) x : 70 = 3 : 10f) 9 : 15 = n : 5
g) a : 7 = 40 : 35h) 243 : p = 3 : 4
- A recipe for salad dressing calls for 4 parts oil to 1 part vinegar. Preston used 60mL of vinegar. What volume of oil does he need?
- If a person earns $2340 in 6 weeks, how much can the person earn in 13 weeks at the same rate of pay?
- A ballroom has a total of 64 dancers. The ratio of male to female dancers is 3:5. How many dancers are males and how many dancers are females?
- A recipe that makes 60 cookies calls for 4 eggs and 2 cups of flour.
a)Jade has only 3 eggs. How much flour should she use?
b)How many cookies will she make?
UNIT RATES
- Determine each unit rate.
a)240 km driven in 5 h
b)105 words typed in 3 min
c)$2.80 for a 7-min call
d)$4. 74 for 3kg of oranges
e)240 pages printed in 8 min
- Which toothpaste is a better buy?
- Which of the following is the better value?
a)15 ounce bag of Toasty Oats for $2.25 or 30 ounce bag of Crunchy Oaties for $3.90.
b)3.5 kg of pasta for $9.95 or 1.5kg of pasta for $5.50.
c)Earning $13.85/h or $110.00 for an 8h day.
RATIO/PROPORTIONS SUCCESS CRITERIA
I am able to…
Find equivalent ratios
Ex. Write 2 equivalent ratios for 4 : 9
Find the missing variable in proportions
Ex. 3 : x = 18 : 12
Solve word problems using proportions
Ex. If 5 pounds of grass seed will cover 1025 square feet, how many square feet
can be covered by 15 pounds of grass seed?
Determine unit rate (how much is it for one quantity?)
Ex. 18 piece of chicken bucket for $24.99
Find the best price value, usingunit rates
Ex. 12 cans of pop for $14.85 or 25 cans of pop for $ 22.15