Factors & Factor Pairs
These two numbers multiply to make 20 and are NOT 1×20.
4 and 5
Name a multiple of 6 that is less than 30.
12, 18, 24
This type of number has exactly two factors: 1 and itself.
Prime number
Identify the rule: 5, 10, 15, 20, 25
Add 5
A pack of stickers has 6 stickers. How many are in 4 packs?
24 stickers
Give one factor pair for 28.
4 and 7
Two multiples of 9 between 20 and 50
27, 36, 45
What is the only even prime number?
2
Find the missing number: 30, 27, 24, 21, ___
18
Ella reads 5 pages a day. How many pages will she read in 7 days?
35 pages
Name two factor pairs of 24
6×4 and 3×8
Name three multiples of 8.
8, 16, 24 (any 3 correct multiples of 8)
A composite number less than 10 that is not even.
9
What is the rule? 2, 4, 8, 16, 32
Multiply by 2
A baker puts 8 cupcakes in each box. How many boxes will she need for 40 cupcakes?
This number has factor pairs of 9×6 and 3×18.
54
What is the least multiple that 2 and 5 have in common?
10
True or False — 21 is a prime number.
False
How many shapes would be in the 10th term if the pattern adds 3 each time and starts at 1?
28 shapes
Tim has 30 baseball cards and wants to put them in equal groups. Name two possible ways he can group them evenly (not 1 group or 30 groups).
5×6 or 3×10 (or any correct factor pair)
List all factor pairs of 16.
1×16, 2×8, 4×4
What is the 6th multiple of 7?
42
Name one prime number and one composite number.
(Example: 7 and 8 — any correct pair works)
Start at 7 and add 4 each time. What are the first 5 terms?
7, 11, 15, 19, 23
A teacher buys 9 packs of pencils. Each pack has 12 pencils. How many pencils is that total?
108 pencils