Open Up - Grade 7 - Mathematics - Unit 8 - Lesson 11

By Formative Library
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Last updated over 2 years ago
6 Questions
1
1.
Compare the weights of the backpacks for the students in these three classes.
7.SP.3
1
2.
A bookstore has marked down the price for all the books in a certain series by 15%.

How much is the discount on a book that normally costs $18.00? (Round to the nearest cent.)
7.SP.3
1
3.
A bookstore has marked down the price for all the books in a certain series by 15%.

How much is the discount on a book that normally costs $18.00? (Round to the nearest cent.)
7.SP.3
1
4.
A bookstore has marked down the price for all the books in a certain series by 15%.

A book normally costs $18.00.

After the discount, how much would the book cost?(Round to the nearest cent.)
7.SP.3
1
5.
Match each expression on the left with an equivalent expression from the right.
  • 4(5x-3y)-10x+6y
  • 2.5(2x+4y)-5(4y-x)
  • 5.5(x+y)-2(x+y)+6.5(x+y)
  • 7.9(5x+3y)-4.2(5x+3y)-1.7(5x+3y)
  • 6(x+2y)-2(y-2x)
  • 10(x - y)
  • 10(x + y)
  • 10x - 6y
  • 10x + 6y
7.SP.3
1
6.
Angles C and D are complementary. The ratio of the measure of Angle C to the measure of Angle D is 2:3.

Find the measure of each angle.
7.SP.3
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