Checking If Ratios Are in a Proportion

When two ratios are equivalent

• proportion

• per/each

• product

• quotient

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Solve the proportion below:

• 418

• 2

• 38

• 11

What is a proportion?

• It is a number sentence that relates two ratios that are equivalent.

• It is just an ordinary number sentence with two ratios combined.

• It is a super - ratio.

• 'Still an ordinary ratio.

Solve the proportion below:

• 42

• 6

• 2

• 28

Find the the missing term.

4:3 = ____:12

• 16

• 20

• 6

• 16

What is the definition of an indirect proportion?

• It simply means "as one increases, the other one decreases" and vice - versa.

• It describes the total amount of an object distributed into two or more unequal parts.

• It is simply a way to divide ratios.

• 'To make them break up.

In order for two ratios to be a proportion they must be

• Equivalent to one another

• The same numbers

• The same units

• Two fractions

One method of checking to see if two ratios are proportional to each other is to

• Subtract them

• Add them

• Cross multiply them

• Erase them

What is a proportion?

• Two ratios that are equivalent

• Two Ratios

• Two ratios that are not equivalent

• Two fractions