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CRA PRACTICE. 3 RD. Peter claims that the ratio of white squares to black squares on the top row of the checker board is 4 to 5. Do you agree with Peter’s claim? Explain using ratio language.

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Presentation Transcript
slide2

Peter claims that the ratio of white squares to black squares on the top row of the checker board is 4 to 5. Do you agree with Peter’s claim? Explain using ratio language.

slide3

Fran claims that the percent of white squares on the far left column on the checker board is 50%. Do you agree with Fran’s claim? Explain using ratio language.

slide4

Marjorie claims that the percent of white squares in the first two rows is 25%. Do you agree with Marjorie’s claim? Explain using ratio language.

cra practice question

CRA Practice Question

Caroline was at a playground looking at a map. According to the map scale, 1 inch = 10 yards. Caroline determined that where she was standing was, according to the map, was approximately 5 inches from the slides.

About how many feet away from the slides is Caroline in real life?

1 yard = 3 feet

cra practice question1

CRA Practice Question

Kellen was hiking with his friends and they needed to know how far away their cabin was. The map scale states that 1 inch = 20 yards. Kellen and his friends determined their location was about 3 inches away from their cabin, according to the map. About how many feet are Kellen and his friends away from their cabin?

1 yard = 3 feet

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