Math Grade 1–2 Addition & Subtraction Easy

Number Challenge

Practice addition, subtraction and mental math in a fast-paced whole-class game.

Play Game

What Students Practice

  • Addition within 20
  • Subtraction within 20
  • Quick mental math recall

How to Use in Class

  1. Open the game on your laptop or tablet.
  2. Connect to a projector or classroom display, if you have one.
  3. Choose a mode, question count and timer on the start screen.
  4. Show each question and let students discuss the answer.
  5. Select the answer together, then move to the next question.

Play Number Challenge

Tip: use the fullscreen button inside the game for the best classroom display.