Exploring Equivalent Ratios and Fractions

What did Kevin order for lunch?

• Five hamburgers and three tacos

• Four hamburgers and two tacos

• Six hamburgers and two tacos

• Three hamburgers and one taco

Tags

CCSS.2.OA.A.1

What is the ratio of hamburgers to tacos in Kevin's order?

• 2:1

• 3:1

• 1:3

• 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many hamburgers did Christina order?

• Two

• One

• Three

• Six

Tags

CCSS.1.NBT.A.1

What does it mean when two ratios are equivalent?

• They have the same cross products

• They have the same numerators

• They have the same denominators

• They have the same sum

Tags

CCSS.6.RP.A.3A

How can you show that two ratios are equivalent?

• By dividing the numerators by the denominators

• By subtracting the numerators from the denominators

• By comparing their cross products

• By adding the numerators and denominators

Tags

CCSS.6.RP.A.3A

What is the cross product of 5 and 12 in the example of 4:5 and 12:15?

• 50

• 60

• 70

• 80

What is the cross product of 4 and 15 in the example of 4:5 and 12:15?

• 80

• 70

• 60

• 50

Are the ratios 4:5 and 12:15 equivalent?

• Yes, because their cross products are equal

• No, because their cross products are not equal

• No, because their denominators are not equal

• Yes, because their numerators are equal

Tags

CCSS.6.RP.A.3A

What is the cross product of 4 and 12 in the example of 4:7 and 6:12?

• 42

• 48

• 50

• 60

Are the ratios 4:7 and 6:12 equivalent?

• No, because their denominators are not equal

• Yes, because their numerators are equal

• No, because their cross products are not equal

• Yes, because their cross products are equal

Tags

CCSS.6.RP.A.3A