B17 — 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 with which students are familiar. For example, for this string, the context might be weeks with 7 days.
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
- 5x7
- 10 x 7
- 15 x 7
- 9x7
- 4x7
- 8x7
- 6x7
