Valid Equalities?

This Valid Equalities? assessment also includes:

True or false: 20 = 10 + 10. The statement is true because two 10s make a 20. These are the types of equations learners must label or false. They must also explain in mathematical terms how they know.

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CCSS: Designed
Instructional Ideas

  • For each equation, instruct learners to write the values of each sides of the equation on top or below the sentences
  • Use the task as a warm up before beginning a lesson on comparing numbers or balancing equations. Put learners into pairs and have them solve the equations and come up with a written explanation
Classroom Considerations

  • Ensure class members know what makes an equation an equation (=), and everything on the left side of the equal sign should be the same as, or equal to the right side

  • Task can be used in a variety of ways, such as an assessment, guided instruction, or skills practice
  • Teacher guide includes commentary and an answer key

  • None
Common Core