B36 — Multiplication: Working with Multiples of 10
Problem Strings for Fluency and Beyond · Multiplication: Working with Multiples of 10
Teacher notes
This string is like B35. Continue to represent children’s strategies on an open array.
See B35 — Multiplication: Working with Multiples of 10 for the full "Behind the Numbers" explanation — this string uses the same crafting logic.
The string
- 5x5
- 5 x 10
- 5 x 20
- 5x4
- 5 x 40
- 10 x 20
- 10 x 10
