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Factors and multiples · Numbers & Operations
Find factors and multiples, GCF and LCM: the foundation for common denominators.
This is step 3 of unit 1, “Factors and multiples”, in Stage 6: Factors, common denominators, multiplying fractions and decimals, area (ages 12). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.