Exploring Equivalent Ratios and Proportions

What is a proportion?

• A statement that two ratios or rates are equivalent

• A statement that one rate is less than the other

• A statement that two ratios or rates are different

• A statement that one ratio is greater than the other

How do you solve a proportion with an unknown quantity?

• By subtracting the ratios

• By finding equivalent ratios or rates

• By guessing the unknown quantity

• By adding the ratios together

If Tala makes 30 bracelets, how many bracelets does Sarah make?

• 20

• 15

• 25

• 18

What is the least common multiple of 5 and 30?

• 5

• 10

• 15

• 30

What happens to the second term in a proportional relationship if the first term increases by 3?

• It increases by 2

• It increases by 4

• It increases by 5

• It stays the same

What is the constant rate of change in a proportional relationship?

• The rate at which the second term changes

• The rate at which the first term changes

• The rate at which neither term changes

• The rate at which both terms change

If a picture is enlarged to be 15 inches wide, how long will it be if the original dimensions were 5 inches wide and 7 inches long?

• 18 inches

• 25 inches

• 21 inches

• 14 inches

In a proportion, why must the units be in the same order in both ratios?

• To simplify the calculation

• To avoid confusion

• To make the ratios easier to read

• To ensure the ratios are equivalent

If Sarah is the first term in a ratio, what must she be in the equivalent ratio?

• The last term

• The second term

• The numerator

• The denominator

What is the first step in solving a proportion problem involving unit rates?

• Multiply the units

• Identify the units

• Divide the units

• Add the units