Least Common Multiple Worksheet

Best for: Grades 5–6

List the multiples

Write the multiples of the larger number and stop at the first one the smaller number divides: for 4 and 6, 6, 12 — 12 is the LCM.

Make it a timed challenge

Put a visual classroom timer on the board and see how many problems students can finish before the time runs out. Print a new version tomorrow and try to beat the score.

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