Log in
Sign up for FREE
arrow_back
Library

Open Up - Grade 7 - Mathematics - Unit 3 - Lesson 9

star
star
star
star
star
Last updated 11 months ago
12 questions
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

A circle with a 12 inch diameter is folded in half and then folded in half again.

What is the area of the resulting shape?

Question 2
2.

Question 3
3.

The face of a clock has a circumference of 63 in.

What is the area of the face of the clock?(round to the nearest whole number)

Question 4
4.

Which of these pairs of quantities are proportional to each other?

Radius and diameter of a circle

Question 5
5.

Which of these pairs of quantities are proportional to each other?

Radius and circumference of a circle

Question 6
6.

Which of these pairs of quantities are proportional to each other?

Radius and area of a circle

Question 7
7.

Which of these pairs of quantities are proportional to each other?

Diameter and circumference of a circle

Question 8
8.

Which of these pairs of quantities are proportional to each other?

Diameter and area of a circle

Question 9
9.

Find the area of this shape.

Question 10
10.

Elena and Jada both read at a constant rate, but Elena reads more slowly. For every 4 pages that Elena can read, Jada can read 5.
Complete the table.

Question 11
11.

Elena and Jada both read at a constant rate, but Elena reads more slowly. For every 4 pages that Elena can read, Jada can read 5.
Here is an equation for the table: j = 1.25e. What does the 1.25 mean?

Question 12
12.

Elena and Jada both read at a constant rate, but Elena reads more slowly. For every 4 pages that Elena can read, Jada can read 5.
Write an equation for this relationship that starts e = ...

"Source: Open Up Resouces (Download for free at openupresources.org.)"