B13 — 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. Also, remember to show students’ thinking on the ratio table.
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
- 3x4
- 6x4
- 12 x 4
- 10 x 4
- 11 x 4
- 9x4
- 5x4