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

By Formative Library
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Last updated over 2 years ago
7 Questions
1
1.
Below are some graphs.

The x-axis of each graph has the diameter of a circle in meters. Label the y-axis on each graph with the appropriate measurement of a circle: radius (m), circumference (m), or area (m2)
7.RP.2.a
7.G.4
1
2.
Here is a picture of two squares and a circle. Use the picture to explain why the area of this circle is more than 2 square units but less than 4 square units.
7.RP.2.a
7.G.4
1
3.
Here is another picture of two squares and a circle. Use the picture to explain why the area of this circle is more than 18 square units and less than 36 square units.
7.RP.2.a
7.G.4
1
4.
Circle A has area 500 in2. The diameter of circle B is three times the diameter of circle A.

Estimate the area of circle B.
7.RP.2.a
7.G.4
1
5.
Lin’s bike travels 100 meters when her wheels rotate 55 times.

What is the circumference of her wheels?(Round to the nearest Hundreth)
7.RP.2.a
7.G.4
1
6.
Find the circumference of this circle. (Round the the nearest whole number)
7.RP.2.a
7.G.4
1
7.
Priya drew a circle whose circumference is 25 cm. Clare drew a circle whose diameter is 3 times the diameter of Priya’s circle.

What is the circumference of Clare’s circle?
7.RP.2.a
7.G.4
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