Using a letter to represent an unknown — simple expressions

P6 Mathematics · Number & Algebra · 108 questions · difficulty D1–D5 · Singapore MOE-aligned

Sample questions

SAMPLE 1

Ann has x sweets. Ben has 3 more than Ann. Write an expression for the total number of sweets Ann and Ben have together.

SAMPLE 2

If x = 3, find x + 7.

SAMPLE 3

If n = 5, find 2n.

Check your answers in the app — free

All 108 questions with instant marking, step-by-step hints, badges and a pixel pet that grows as you learn. No login, no payment, ever.