Factors
Name all the factor pairs for 36.
1 & 36, 2 & 18, 3 & 12, 4 & 9, 6 & 6
What is unknown? Emma has 24 crayons. She has 6 times as many crayons as Noah.
How many crayons Noah has
6 + 4 × 3
Multiplication (4 × 3)
What comes next? 5, 10, 15, 20, ___
25
Write an equation with g as the unknown: There are 42 students split into 7 equal groups.
42 ÷ 7 = g OR 7 × g = 42
Name all the factor pairs for 45.
1 & 45, 3 & 15, 5 & 9
What is unknown? A box holds 8 apples. There are 56 apples total.
How many boxes there are.
18 ÷ 3 + 7
Division (18 ÷ 3)
What is the rule? 3, 6, 12, 24
Multiply by 2
Write an equation with t as the unknown. A toy costs $9. Sam buys 5 toys.
9 x 5 = t
Name all the factor pairs for 72.
1 & 72, 2 & 36, 3 & 24, 4 & 18, 6 & 12, 8 & 9
What is unknown. Mia has 35 beads. She gives some to her friend and now has 18 left.
How many beads she gave away
5 × 2 - 6
Multiplication (5 × 2)
What comes next? 81, 72, 63, 54, ___
45
Write an equation with b as the unknown. There are 64 cookies placed equally into 8 bags.
64 ÷ 8 = b OR 8 × b = 64
Name all the factor pairs for 54.
1 & 54, 2 & 27, 3 & 18, 6 & 9
What is unknown? A ribbon is 48 inches long. It is cut into pieces that are 6 inches each.
How many pieces there are
24 - 8 ÷ 4
Division (8 ÷ 4)
What's the rule? 4, 9, 14, 19
Add 5
What an equation with n as the unknown. Lily multiplies a number by 4 and gets 28.
4 × n = 28 OR n = 28 ÷ 4
Name all the factor pairs for 63.
1 & 63, 3 & 21, 7 & 9
What is unknown? There are 9 tables with the same number of chairs at each table. There are 72 chairs total.
How many chairs are at each table
3 + 6 × 2 - 5
Multiplication (6 × 2)
What comes next? 1, 3, 6, 10, ___
15
Write an equation with d as the unknown. There are 90 pages in a book. Mia reads 15 pages each day.
90 ÷ 15 = d OR 15 × d = 90