Back to Clock Arithmetic (Modular Arithmetic) — Problem 5 · Task Set 22
Exercises: Clock Arithmetic (Modular Arithmetic)
Work through each section in order. Picture a clock face for every add/subtract/multiply problem.
Grade 7·21 problems·~28 min·Uganda NCDC Primary 7 Mathematics·lesson·integers-02
Work through problems with immediate feedback
A
Fluency Practice
1
Compute 4 × 5 on a 12-hour clock (repeated addition, then wrap). Give the clock position (1-12).