B38 — 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
- 6x2
- 6 x 10
- 6 x 30
- 6 x 3 x 10
- 3 x 60
- 18 x 30
- 9 x 60
