Open Up - Grade 6 - Mathematics - Unit 2 - Lesson 9 - Formative Library | Library

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Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. Who ran faster?

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Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. At this rate, how long would it take Han to run 50 meters?

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Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. At this rate, how long would it take Priya to run 50 meters?

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A scooter travels 30 feet in 2 seconds at a constant speed.

What is the speed of the scooter in feet per second?

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A scooter travels 30 feet in 2 seconds at a constant speed.

A skateboard travels 55 feet in 4 seconds. Is the skateboard going faster, slower, or the same speed as the scooter?

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A cargo ship traveled 150 nautical miles in 6 hours at a constant speed. How many nautical miles did the cargo ship travel in one hour?

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A recipe for pasta dough says, “Use 150 grams of flour per large egg.” How much flour is needed if 6 large eggs are used?

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A recipe for pasta dough says, “Use 150 grams of flour per large egg.” How many eggs are needed if 450 grams of flour are used?

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The grocery store is having a sale on frozen vegetables. 4 bags are being sold for $11.96. At this rate, what is the cost of 1 bag

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The grocery store is having a sale on frozen vegetables. 4 bags are being sold for $11.96. At this rate, what is the cost of 9 bags

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A pet owner has 5 cats. Each cat has 2 ears and 4 paws. Complete the double number line to show the numbers of ears and paws for 1, 2, 3, 4, and 5 cats.

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A pet owner has 5 cats. Each cat has 2 ears and 4 paws.

If there are 3 cats in the room, what is the ratio of ears to paws? Enter your answer in this format: 1:2

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A pet owner has 5 cats. Each cat has 2 ears and 4 paws.

If there are 4 cats in the room, what is the ratio of paws to ears? Enter your answer in this format: 1:2

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A pet owner has 5 cats. Each cat has 2 ears and 4 paws.

If all 5 cats are in the room, how many more paws are there than ears?

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Each of these is a pair of equivalent ratios. For each pair, explain why they are equivalent ratios or draw a representation that shows why they are equivalent ratios.

a. 5:1 and 15:3
b. 25:5 and 10:2
c. 198:1,287 and 2:13

Source: Open Up Resouces (Download for free at openupresources.org.)

Open Up - Grade 6 - Mathematics - Unit 2 - Lesson 9

Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. Who ran faster?

Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. At this rate, how long would it take Han to run 50 meters?

Han ran 10 meters in 2.7 seconds. Priya ran 10 meters in 2.4 seconds. At this rate, how long would it take Priya to run 50 meters?

A scooter travels 30 feet in 2 seconds at a constant speed.What is the speed of the scooter in feet per second?

A scooter travels 30 feet in 2 seconds at a constant speed.A skateboard travels 55 feet in 4 seconds. Is the skateboard going faster, slower, or the same speed as the scooter?

A cargo ship traveled 150 nautical miles in 6 hours at a constant speed. How many nautical miles did the cargo ship travel in one hour?

A recipe for pasta dough says, “Use 150 grams of flour per large egg.” How much flour is needed if 6 large eggs are used?

A recipe for pasta dough says, “Use 150 grams of flour per large egg.” How many eggs are needed if 450 grams of flour are used?

The grocery store is having a sale on frozen vegetables. 4 bags are being sold for $11.96. At this rate, what is the cost of 1 bag

The grocery store is having a sale on frozen vegetables. 4 bags are being sold for $11.96. At this rate, what is the cost of 9 bags

A pet owner has 5 cats. Each cat has 2 ears and 4 paws. Complete the double number line to show the numbers of ears and paws for 1, 2, 3, 4, and 5 cats.

A pet owner has 5 cats. Each cat has 2 ears and 4 paws.If there are 3 cats in the room, what is the ratio of ears to paws? Enter your answer in this format: 1:2

A pet owner has 5 cats. Each cat has 2 ears and 4 paws.If there are 4 cats in the room, what is the ratio of paws to ears? Enter your answer in this format: 1:2

A pet owner has 5 cats. Each cat has 2 ears and 4 paws.If all 5 cats are in the room, how many more paws are there than ears?

Each of these is a pair of equivalent ratios. For each pair, explain why they are equivalent ratios or draw a representation that shows why they are equivalent ratios.a. 5:1 and 15:3b. 25:5 and 10:2c. 198:1,287 and 2:13

A scooter travels 30 feet in 2 seconds at a constant speed.

What is the speed of the scooter in feet per second?

A scooter travels 30 feet in 2 seconds at a constant speed.

A skateboard travels 55 feet in 4 seconds. Is the skateboard going faster, slower, or the same speed as the scooter?

A pet owner has 5 cats. Each cat has 2 ears and 4 paws.

If there are 3 cats in the room, what is the ratio of ears to paws? Enter your answer in this format: 1:2

A pet owner has 5 cats. Each cat has 2 ears and 4 paws.

If there are 4 cats in the room, what is the ratio of paws to ears? Enter your answer in this format: 1:2

A pet owner has 5 cats. Each cat has 2 ears and 4 paws.

If all 5 cats are in the room, how many more paws are there than ears?

Each of these is a pair of equivalent ratios. For each pair, explain why they are equivalent ratios or draw a representation that shows why they are equivalent ratios.

a. 5:1 and 15:3
b. 25:5 and 10:2
c. 198:1,287 and 2:13