Open Up - Grade 7 - Mathematics - Unit 2 - Lesson 3

From questions 2 and 3 What is the relationship between the two constants of proportionalitys?

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7.RP.2.a

5.MD.1

7.RP.2.b

Jada and Lin are comparing inches and feet. Jada says that the constant of proportionality is 12. Lin says it is \frac{1}{12} . Do you agree with either of them?

• Jada
• Lin
• I agree with both
• I disagree with botj

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7.RP.2.a

5.MD.1

7.RP.2.b

The area of the Mojave desert is 25,000 square miles. A scale drawing of the Mojave desert has an area of 10 square inches. What is the scale of the map?

• 1 inch to 50 miles
• 1 inch to 25 miles
• 1 inch to 10 miles
• 1 inch to 75 miles

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7.RP.2.a

5.MD.1

7.RP.2.b

Which of these scales is equivalent to the scale 1 cm to 5 km? Select all that apply.

• 3 cm to 15 km
• 1 mm to 150 km
• 5 cm to 1 km
• 5 mm to 2.5 km
• 1 mm to 500 m

Tags

7.RP.2.a

5.MD.1

7.RP.2.b

Which one of these pictures is not like the other

• L
• M
• N

Tags

7.RP.2.a

5.MD.1

7.RP.2.b