Open Up - Grade 6 - Mathematics - Unit 3 - Lesson 8

A kangaroo hops 2 kilometers in 3 minutes. At this rate: How long does it take the kangaroo to travel 5 kilometers?

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6.RP.3.b

A kangaroo hops 2 kilometers in 3 minutes. At this rate: How far does the kangaroo travel in 2 minutes?

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6.RP.3.b

Mai runs around a 400-meter track at a constant speed of 250 meters per minute. How many minutes does it take Mai to complete 4 laps of the track?

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6.RP.3.b

At 10:00 a.m., Han and Tyler both started running toward each other from opposite ends of a 10-mile path along a river. Han runs at a pace of 12 minutes per mile. Tyler runs at a pace of 15 minutes per mile.Do Han and Tyler meet on the path within 1 hour?

• Yes
• No

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6.RP.3.b

Two skateboarders start a race at the same time. Skateboarder A travels at a steady rate of 15 feet per second. Skateboarder B travels at a steady rate of 22 feet per second. After 4 minutes, how much farther will Skateboarder B have traveled?

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6.RP.3.b

There are 4 tablespoons in 1/4 cup. There are 2 cups in 1 pint. How many tablespoons are there in 1 pint? If you get stuck, consider drawing a double number line or making a table.

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6.RP.3.b

Two larger cubes are made out of unit cubes. Cube A is 2 by 2 by 2. Cube B is 4 by 4 by 4. The side length of Cube B is twice that of Cube A. Is the surface area of Cube B also twice that of Cube A?

• Yes
• No

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6.RP.3.b

Two larger cubes are made out of unit cubes. Cube A is 2 by 2 by 2. Cube B is 4 by 4 by 4. The side length of Cube B is twice that of Cube A. Is the volume of Cube B also twice that of Cube A?

• Yes
• No

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6.RP.3.b