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WorksheetsWeek 9 (Period 6) Proportions
Total questions: 19
Worksheet time: 40mins
Determine whether each pair of ratios forms a proportion
Proportion
Not a Proportion
What is the correct definition of a proportional relationship?
The constant value (often written k) relating amounts that rise or fall at the same rate. It is the ratio of the amounts
y and x:
k = y/x.
The values for one quantity are each multiplied by the same number to get the values for the other quantity.
If two ratios have the same value, then they are equivalent, even though they may look very different!
What is the correct definition of a cross multiplication?
The constant value (often written k) relating amounts that rise or fall at the same rate. It is the ratio of the amounts
y and x:
k = y/x.
The values for one quantity are each multiplied by the same number to get the values for the other quantity.
If two ratios have the same value, then they are equivalent, even though they may look very different!
What is the correct definition of equivalent ratios?
The constant value (often written k) relating amounts that rise or fall at the same rate. It is the ratio of the amounts
y and x:
k = y/x.
The values for one quantity are each multiplied by the same number to get the values for the other quantity.
If two ratios have the same value, then they are equivalent, even though they may look very different!
What is the correct definition of constant of proportionality?
The constant value (often written k) relating amounts that rise or fall at the same rate. It is the ratio of the amounts
y and x:
k = y/x.
The values for one quantity are each multiplied by the same number to get the values for the other quantity.
If two ratios have the same value, then they are equivalent, even though they may look very different!
18 ounces to 3 cups
A proportion is two ratios that are ________.
Equal
variable
unequal
matching
To solve a proportion, you
cross simpify
cross multiply
cross divide
