3.MATH.5.A

Represent one-and two-step problems involving addition and subtraction of whole numbers to 1,000 using pictorial models, number lines, and equations.

Grade 3 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

Standard Unwrapping

AI-generated as a starting point — sign in to edit.
Vocabulary
problemsadditionsubtractionwhole numbers1,000pictorial modelsnumber linesequations
Skills
  • represent (one-step and two-step problems involving addition and subtraction of whole numbers to 1,000) #dok2
  • solve (one-step and two-step addition and subtraction problems with whole numbers to 1,000) #dok2
  • use (pictorial models to show addition and subtraction situations) #dok1
  • use (number lines to represent and solve addition and subtraction situations) #dok2
  • write (equations to represent one- and two-step addition/subtraction problems) #dok2
Learning Targets
  • I can use pictorial models to show addition and subtraction of whole numbers to 1,000. #dok1
  • I can identify addition and subtraction problems with one or two steps. #dok1
  • I can use a number line to represent addition and subtraction of whole numbers. #dok2
  • I can represent one- or two-step word problems with an equation. #dok2
  • I can solve one-step addition and subtraction problems with whole numbers to 1,000. #dok2
  • I can solve two-step addition and subtraction problems with whole numbers to 1,000. #dok2
  • I can explain how my pictorial model or equation shows the steps needed to solve a two-step problem. #dok3
Big Ideas
  • Addition and subtraction can be modeled in different ways to help us solve problems.
  • Visual and symbolic representations make it easier to understand and communicate solutions to real-world problems.
Essential Questions
  • How can we use pictures or number lines to solve an addition or subtraction problem?
  • What is the difference between a one-step and a two-step problem?
  • Why do we use equations to represent word problems?
  • How can using a model help explain our thinking in solving problems?
  • In what ways do different representations help us understand problems involving whole numbers up to 1,000?