Unit 2 Lesson 2

Unit 2 Lesson 2

Ratios with diagrams

Get Ready to Answer #1!

Multiple Choice

What number goes in both boxes to make an equivalent fraction?

• 2

• 5

• 4

• 3

Great Job!

Write this down if you got it wrong.

Let's try using our multiplication facts to help us with this one!

What is a number (factor) that 21 and 28 have in common??

Multiple Select

Select ALL the numbers (factors) 21 and 28 have in common!

• 1

• 2

• 3

• 4

• 7

Awesome! 1 and 7

• Which number is the GREATEST??

• Let's divide it out, since we need to REDUCE it.

• Reduce or simplify means to make easier to understand.

• In math, we simplify by canceling out common factors.

Multiple Choice

What is the simplified ratio of DOGS to CATS?

• $\frac{3}{4}$

• $\frac{4}{3}$

• $\frac{3}{7}$

• $\frac{7}{4}$

The order matters!

• the ratio of bananas to apples is 3:2 NOT 2:3!

I hope we have this written down!

Multiple Choice

What is the ratio of red circles to purple circles?

• 6:5

• 5:6

• 5:11

• 6:11

Multiple Choice

What is the ratio of purple circles to total circles?

• $\frac{5}{6}$

• $\frac{6}{5}$

• $\frac{5}{11}$

• $\frac{6}{11}$

Which situations are correct?

Multiple Choice

When there is 1 cup of white paint, how many tablespoons of blue paint is there?

• 8

• 2

• 3

• 4

• 9

Multiple Choice

When there are 9 tablespoons of blue paint, how many total cups & tablespoons of paint are there?

• 4

• 12

• 8

• 15

Write at least two sentences down!

Multiple Choice

Choose the correct diagram: The ratio of tablespoons of oil to cups of tomato sauce is 4 to 6.

Multiple Choice

Choose the correct diagram: There are 3 tablespoons of oil for every four teaspoons of oregano.