B35 — Multiplication: Working with Multiples of 10
Problem Strings for Fluency and Beyond · Multiplication: Working with Multiples of 10
Teacher notes
This string also employs the associative property and is like B34, but it involves the multiplication of a single digit by multiples of 10. Continue to represent children’s strategies on an open array.
The string
- 4 x 10
- 4x2
- 4 x 20
- 4x3
- 4 x 30
- 4 x 40
- 4 x 50