4.MATH.5.A

Represent multi-step problems involving the four operations with whole numbers using strip diagrams and equations with a letter standing for the unknown quantity.

Grade 4 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

Standard Unwrapping

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Vocabulary
multi-step problemsfour operationswhole numbersstrip diagramsequationsletterunknown quantity
Skills
  • represent (multi-step problems involving the four operations with whole numbers using strip diagrams) #dok2
  • represent (multi-step problems involving the four operations with whole numbers using equations with a letter for the unknown) #dok2
  • solve (multi-step problems involving the four operations with whole numbers) #dok3
  • model (unknown quantities using letters in equations) #dok2
  • interpret (solutions represented in diagrams and equations) #dok3
Learning Targets
  • I can identify the four operations in a multi-step word problem. #dok1
  • I can represent a multi-step problem with whole numbers using a strip diagram. #dok2
  • I can represent a multi-step problem with whole numbers using an equation that includes a letter for the unknown. #dok2
  • I can use strip diagrams and equations to make sense of multi-step problems. #dok3
  • I can solve for an unknown quantity represented by a letter in an equation. #dok2
  • I can explain the steps I used to represent and solve a multi-step problem. #dok3
Big Ideas
  • Mathematical problems can be represented in multiple ways to help find solutions.
  • Using models and symbols helps clarify and solve complex problems involving unknown quantities.
Essential Questions
  • How can we represent multi-step problems using different mathematical models?
  • Why might we use a letter to stand for an unknown quantity in a problem?
  • What are the benefits of using strip diagrams or equations to solve multi-step problems?
  • How do the four operations help us solve real-world problems involving unknowns?
  • What steps can we take to make sure our model accurately represents the problem?