Worksheets for the lesson 17Lesson 17 – Repetition worksheets pdf download
Worksheets for the lesson 18
- Part 1: The 45 facts have now been mixed up within the same zones. Find the sums without counting one by one.
- Part 2: Now, all 45 facts have been really mixed up across all flour zones. Use the strategies that you have learned to find the sums without counting one by one.