The problem of the Week:


  • 1.3: Rounding Natural numbers
  • 1.3: Multiplying 3-digit by 2-digit numbers



  1. Decimals p.12 to 17
  2. Watch the videos "Rounding" and "Multi-digit multiplication" on Edpuzzle
  3. Netmath's assignments: "Multiply two natural numbers"  and "Rounding a natural number"
  4. Mental math: «Leçon 2». On classroom, fill out the «gymnastique mental A». You don't have to do the B for now. Correct yourself with the answer key at the bottom of this page.


When you are all finished:

  • Prodigy
  • Logic games! 

Mental Math Answer keys