Lesson 7: Practice Problems
Problem 1
The
Problem 2
Circle
Problem 3 From Unit 3 Lesson 5
Lin’s bike travels 100 meters when her wheels rotate 55 times. What is the circumference of her wheels?
Problem 4 From Unit 3 Lesson 3
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?
Problem 5
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.
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.
Problem 6 From Unit 3 Lesson 3
Point