Are Ratios a Proportion

An equation stating that two ratios are equal.

• Proportion

• Congruent

• Unit RAte

• Scale FActor

A comparison of two quantities using the word to, for every/each, or a colon :.

• Ratio

• Rate

• Quantity

• Scale Factor

A comparison of two numbers by division.

• Rate

• Unit Rate

• Ratio

• Corresponding Sides

Form ratios and a proportion out of the picture above.

• 10 : 150, 1 : 15 and 10 : 150 = 1: 15

• 1 : 150, 1 : 15 and 1 : 150 = 1 : 2

• 10 : 150, 10 : 2 and 10 : 150 = 10 : 2

• 1 : 2, 10 : 150 and 1 : 2 = 10: 150

Two quantities are in a ​ (a)   if the two quantities vary and have a constant ratio between them.

• proportional relationship

• proportional

• unit rate

• nonproportional

• constant of proportionality

Two quantities are ​ (a)   if the ratios comparing them are equivalent.

• proportional

• nonproportional

• constant of proportionality

• proportion

When two ratios are equal they are .

(a)  

• Proportional

• Ratio

• Rate

• Unit Rate

Find the unknown value to make the ratios a proportion

5 : 6 = 15 : m

Find the unknown value to make the ratios a proportion

k : 5 = 7 : 1

Find the unknown value to make the ratios a proportion

6 : 16 = 3 : p