Center

Number Puzzles: Addition and Subtraction (1–4)

Narrative

Students use the digits 0–9 to make each addition or subtraction equation true.

Stages used in Grado 1

  • Stage 1: Within 10
  • Stage 2: Within 20
  • Stage 3: Within 100 without Composing
  • Stage 4: Within 100 with Composing