Simplifying Ratios and Unit Form

This video tutorial covers the concept of ratios, focusing on simplifying them and converting them into unit form. It begins with an introduction to ratios, followed by detailed steps on how to simplify them using division. The tutorial includes examples with both integers and decimals, demonstrating the process of simplification. Finally, it explains the concept of unit form, where one of the numbers in the ratio is one, and how to achieve this form, even if it involves decimals.

What is the primary method used to simplify a ratio?

• Multiplication

• Subtraction

• Division

• Addition

If a class has 10 boys and 20 girls, what is the simplified ratio of boys to girls?

• 2:1

• 2:3

• 1:2

• 1:1

Which number can be used to simplify the ratio 9:12?

• 4

• 3

• 5

• 2

What is the simplified form of the ratio 7:21?

• 3:1

• 2:3

• 1:3

• 1:2

When simplifying ratios with decimals, what is the first step?

• Divide each number by 10

• Multiply each number by 10

• Add 10 to each number

• Subtract 10 from each number

What is the simplified form of the ratio 15:65 after removing decimals?

• 1:4

• 3:5

• 5:13

• 3:13

In unit form, what must one of the numbers in the ratio be?

• Zero

• One

• Two

• Three

What is the unit form of the ratio 14:22?

• 1:1.57

• 1:2.57

• 1:3.57

• 1:4.57

When converting to unit form, is it acceptable for the answer to have decimals?

• Yes

• No

• Only if the teacher allows

• Only if the numbers are large

What is the unit form of the ratio 32:11 rounded to two decimals?

• 1:2.91

• 1:3.91

• 1:4.91

• 1:5.91