• Welcome, Number Lions!

    Problem 10:

    Anna went fishing with her mom.  Anna caught 9 fish.  Her mom caught some, too! Together they caught 12 fish.  How many fish did her mom catch?

  • fishing
  • Parent Tip:


    The Part-Part-Whole mat can help children think about a tricky problem like this. The twelve fish they caught is the "whole".  Anna's 9 fish will be one part and her mom's fish will be the unknown "other part".

    part-part Whole