This week your challenge is to:
1. Write a word problem as a comment to this post. Think carefully about what strategy you want people to use when they answer it.
2. Answer someone else's problem as a reply to their post. Write next to your answer which number strategy you used.
Strategies:
-Adding or Subtracting ones and tens-Adding or Subtracting using near doubles
-Adding or Subtracting in parts
-Jumping the number line
-Adding or Subtracting by making a tidy number
-Adding or Subtracting by rounding and then compensating at the end





