Grade 8
Multiples and factors
1. List the factors of:
a. 75
b. 48
c. 33
d. 19
e. 100
2. List the first 6 multiples of:
a. 4
b. 10
c. 12
d. 7
e. 100
3. From the list of numbers below, choose the correct answer to the questions
that follow:
{
12 12
;
; 12 ; 6 ; √64 ; 12 × 0 ; 15 ; 20}
12 0
a. Which number is the identity for addition?
b. Which number(s) is not an element of ℕ?
c. Which number(s) is undefined?
d. List the numbers that are factors of 24
e. List the numbers that are multiples of 3
f. List the numbers that are factors of 20 and 32
4. Are each of the following statement True of False:
a. The associative property of numbers applies to subtraction
b. 1 is the identity element for multiplication
0
c. 5 = 0
d. 0 × 23 = 23
e. 14 is a factor and a multiple of 14
f. The distributive law applies to multiplication over addition and subtraction