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Open Up - Grade 7 - Mathematics - Unit 3 - Lesson 9
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Last updated 11 months ago
12 questions
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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
Yes they are propotional
Not they are no propotional
Question 5
5.
Which of these pairs of quantities are proportional to each other?
Radius and circumference of a circle
Yes they are propotional
Not they are no propotional
Question 6
6.
Which of these pairs of quantities are proportional to each other?
Radius and area of a circle
Yes they are propotional
Not they are no propotional
Question 7
7.
Which of these pairs of quantities are proportional to each other?
Diameter and circumference of a circle
Yes they are propotional
Not they are no propotional
Question 8
8.
Which of these pairs of quantities are proportional to each other?
Diameter and area of a circle
Yes they are propotional
Not they are no propotional
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.
visibility
View drawing
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?
For every one page gets read, Elena reads 1.25 pages.
For every one page gets read, Jada reads 1.25 pages.
For every one page that Jada reads, Elena reads 1.25 pages.
For every one page that Elena reads, Jada reads 1.25 pages.
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.)"