B72 — Mystery Numbers: Part/Whole and Equations
Problem Strings for Fluency and Beyond · Mystery Numbers: Part/Whole and Equations
Teacher notes
This string is like B68.
See B68 — Mystery Numbers: Part/Whole and Equations for the full "Behind the Numbers" explanation — this string uses the same crafting logic.
The string
- 5 x ? = 20
- 24 ÷ ? = 6
- ?÷4=1
- 64 ÷ ? = 8
- 80 ÷ ? = 4
- ? ÷ 4= 12
- 32 ÷ 8= ?
