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Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 14

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

Pitanje 1
1.

Edge lengths are given in units. Find the surface area of the prism in square units.

Pitanje 2
2.

Edge lengths are given in units. Find the surface area of the prism in square units.

Pitanje 3
3.

Edge lengths are given in units. Find the surface area of the prism in square units.

Pitanje 4
4.

Edge lengths are given in units. Find the surface area of the prism in square units.

Pitanje 5
5.

Edge lengths are given in units. Find the surface area of the prism in square units.

Pitanje 6
6.

Priya says, “No matter which way you slice this rectangular prism, the cross section will be a rectangle.” Mai says, “I’m not so sure.”

Describe a slice that Mai might be thinking of.

Pitanje 7
7.

Priya says, “No matter which way you slice this rectangular prism, the cross section will be a rectangle.” Mai says, “I’m not so sure.”

(Some measurments may be used more than once.)

  • D

  • B

  • A

  • E

  • C

  • 70 Degrees

  • 130 Degrees

  • 50 Degrees

  • 45 Degrees

  • 120 Degrees

Pitanje 8
8.

Write each expression with fewer terms.

12m - 4m

Pitanje 9
9.

Write each expression with fewer terms.

12m - 5k + m

Pitanje 10
10.

Write each expression with fewer terms.

9m+k-(3m-2k)