2.MATH.7.A

Determine whether a number up to 40 is even or odd using pairings of objects to represent the number.

Grade 2 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

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Vocabulary
numberevenoddpairingsobjects
Skills
  • determine (whether a number up to 40 is even or odd) #dok2
  • use (pairings of objects to represent numbers) #dok2
  • represent (numbers up to 40 with objects) #dok1
  • classify (numbers as even or odd) #dok2
Learning Targets
  • I can represent numbers up to 40 using objects. #dok1
  • I can use pairings to show if a number is even or odd. #dok2
  • I can determine if a number up to 40 is even or odd by pairing objects. #dok2
  • I can classify numbers as even or odd based on pairings. #dok2
Big Ideas
  • Numbers can be grouped into even or odd based on whether they can be paired without leftovers.
  • Pairing objects is a way to understand the difference between even and odd numbers.
Essential Questions
  • How can you use objects to decide if a number is even or odd?
  • What does it mean for a number to be even or odd?
  • Why is pairing objects helpful for identifying even and odd numbers?
  • Can every number be grouped into pairs? What happens if not?
  • How could you explain the difference between an even number and an odd number to someone else?