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IM 7.6.8 Lesson: Reasoning about Solving Equations (Part 2)

Author:GeoGebra Classroom Activities, IM 6 – 8 Math

Select all the expressions equivalent to .

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
Check my answer (3)

Explain why either of these equations could represent this hanger:

or

Find the weight of one circle. Be prepared to explain your reasoning.

Here is a balanced hanger. Each piece is labeled with its weight.

Assign one of these equations to the hanger:

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the diagram.

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the equation.

Here is a balanced hanger. Each piece is labeled with its weight.

Assign one of these equations to the hanger:

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the diagram.

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the equation.

Here is a balanced hanger. Each piece is labeled with its weight.

Assign one of these equations to the hanger:

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the diagram.

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the equation.

Here is a balanced hanger. Each piece is labeled with its weight.

Assign one of these equations to the hanger:

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the diagram.

Explain how to figure out the weight of a piece labeled with a letter by reasoning about the equation.

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