Underline the correct answer. a. When you multiply a whole number by another whole number, the product is...

1. Underline the correct answer.
a. When you multiply a whole number by another whole number, the product is called a factor / multiple / difference.
b. When you divide a whole number by another whole number, the answer is called a factor / multiple / difference.
2. Circle the numbers in brackets that are factors of each given number.
a. 144 (1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12)
b. 375 (5; 10; 15; 20; 25; 30; 35; 40; 45; 50)
3. Circle the numbers in brackets that are multiples of each given number.
a. 11 (11; 21; 22; 31; 33; 43; 44; 56; 66; 80)
b. 50 (8; 10; 20; 25; 50; 75; 100; 120; 150)
4. Write down the multiples of each given number.
a. 5
b. 3
c. Which multiples are common to 5 and 3?
d. What is the Lowest Common Multiple (LCM)?
5. Write down the factors of each given number.
a. 27
b. 36
c. 63
d. Which factors are common to 27, 36 and 63?
e. Which is the Highest Common Factor (HCF)?