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Open Up - Grade 7 - Mathematics - Unit 6 - Lesson 6

By Formative Library
Last updated about 3 years ago
8 Questions

A school ordered 3 large boxes of board markers. After giving 15 markers to each of 3 teachers, there were 90 markers left. The diagram represents the situation.
How many markers were originally in each box?

7.EE.3
7.EE.4.a

The diagram can be represented by the equation 25 = 2 +6x.
Explain where you can see the 6 in the diagram.

7.EE.3
7.EE.4.a

Elena walked 20 minutes more than Lin. Jada walked twice as long as Elena. Jada walked for 90 minutes. The equation 2(x + 20) = 90 describes this situation.

Match each amount in the story with the expression that represents it. (Some equations will be used more than once.)

  • 90
  • 2(x +20)
  • x
  • x + 20
  • The number of minutes that Jada walked
  • The number of minutes that Elena walked
  • The number of minutes that Lin walked
7.EE.3
7.EE.4.a

Match each equation to a story
Jada’s teacher fills a travel bag with 5 copies of a textbook. The weight of the bag and books is 17 pounds. The empty travel bag weighs 3 pounds.

How much does each book weigh?

7.EE.3
7.EE.4.a

Match each equation to a story
A piece of scenery for the school play is in the shape of a 5-foot-long rectangle. The designer decides to increase the length. There will be 3 identical rectangles with a total length of 17 feet.

By how much did the designer increase the length of each rectangle?

7.EE.3
7.EE.4.a

Match each equation to a story
Elena spends $17 and buys a $3 book and a bookmark for each of her 5 cousins.

How much does each bookmark cost?

7.EE.3
7.EE.4.a

Match each equation to a story
Noah packs up bags at the food pantry to deliver to families. He packs 5 bags that weigh a total of 17 pounds.

Each bag contains 3 pounds of groceries and a packet of papers with health-related information. How much does each packet of papers weigh?

7.EE.3
7.EE.4.a

Match each equation to a story
Andre has 3 times as many pencils as Noah and 5 pens. He has 17 pens and pencils all together.

How many pencils does Noah have?

7.EE.3
7.EE.4.a
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