1) What does HCF stand for? a) Highest Common Factor b) Lowest Common Multiple c) Highest Common Multiple d) Lowest Common Factor 2) What does LCM stand for? a) Lowest Common Factor b) Highest Common Factor c) Lowest Common Multiple d) Highest Common Multiple 3) Which method uses prime numbers to find HCF? a) Listing method b) Prime factorisation c) Division method d) Addition method 4) Which method involves listing multiples to find LCM? a) Prime factorisation b) Listing method c) Subtraction method d) Division method 5) Find the HCF of 12 and 18. a) 6 b) 12 c) 18 d) 3 6) Find the LCM of 4 and 5. a) 20 b) 10 c) 5 d) 4 7) What is the HCF of 15 and 25? a) 5 b) 15 c) 25 d) 10 8) What is the LCM of 6 and 8? a) 24 b) 12 c) 48 d) 6 9) Find the HCF of 9 and 27. a) 9 b) 27 c) 3 d) 1 10) Find the LCM of 3 and 7. a) 21 b) 14 c) 7 d) 3 11) HCF of 8 and 12 is? a) 4 b) 8 c) 12 d) 2 12) LCM of 10 and 15 is? a) 30 b) 15 c) 10 d) 5 13) Which is a common factor of 16 and 24? a) 8 b) 16 c) 24 d) 4 14) Which is a common multiple of 2 and 3? a) 6 b) 3 c) 2 d) 1 15) HCF of 14 and 21 is? a) 7 b) 14 c) 21 d) 3 16) LCM of 5 and 9 is? a) 45 b) 15 c) 9 d) 5 17) Find the HCF of 20 and 30. a) 10 b) 20 c) 30 d) 5 18) Find the LCM of 7 and 11. a) 77 b) 21 c) 14 d) 1 19) What is the HCF of 18 and 24? a) 6 b) 18 c) 24 d) 12 20) What is the LCM of 12 and 15? a) 60 b) 30 c) 15 d) 12

HCF and LCM GRADE 8

by
Print
Embed

Leaderboard

Visual style

Options

AI Enhanced: This activity contains content generated by AI. Learn more.

Switch template

Continue editing: ?