B22 — Multiplication within 100: Automatizing Basic Facts Using the Ratio Table
Problem Strings for Fluency and Beyond · Multiplication within 100: Automatizing Basic Facts Using the Ratio Table
Teacher notes
This string is like B12. Continue to refer to the numbers within a context in which they are familiar. For example, for this string, the context might be 5 days in one full school week.
See B12 — Multiplication within 100: Automatizing Basic Facts Using the Ratio Table for the full "Behind the Numbers" explanation — this string uses the same crafting logic.
The string
- 3x5
- 5x5
- 10 x 5
- 11 x 5
- 9x5
