Exploring Ratios and Proportions

What ratio did Jack use to mix blue and yellow paints initially?

• 1:3

• 1:2

• 2:1

• 3:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Jack uses 4 buckets of blue paint, how many buckets of yellow paint does he need?

• 7

• 6

• 9

• 8

Tags

CCSS.3.OA.A.3

What is the purpose of drawing models of ratios?

• To compare different colors

• To make the paint mixing process faster

• To visually understand and solve ratio problems

• To change the ratio proportions

How can we express the ratio 12:8 in its simplest form?

• 2:1

• 4:3

• 3:2

• 6:4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplified ratio of 2 apples, 8 oranges, and 6 mangoes?

• 2:3:1

• 1:2:3

• 1:4:3

• 2:4:6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If A:B is 2:3 and B:C is 3:4, what is A:B:C?

• 2:4:3

• 3:2:4

• 4:3:2

• 2:3:4

How do you find a common multiple to compare different ratios?

• By dividing the ratios

• By finding a common multiple of the units

• By adding the ratios

• By subtracting the ratios

Tags

CCSS.6.RP.A.3A

James and Kelly shared 70 stamps in the ratio 4:3. How many stamps did Kelly get?

• 40

• 50

• 20

• 30

After Kelly received 15 more stamps, what was the new ratio of stamps between James and Kelly?

• 4:3

• 8:9

• 9:8

• 3:4

Adam and Becky shared $80 in the ratio 3:2. After Adam spent some money, the ratio became 5:4. How much did Adam spend?

• $15

• $12

• $10

• $8

Tags

CCSS.7.RP.A.3