Factors
List the factors of 15
1, 3, 5, 15
List the first 5 MULTIPLES of 6
6, 12, 18, 24, 30
54 x 3
162
78 ÷ 2
39
Is 37 a prime or composite number? Why? Show your work.
Prime. 1 and 37 are the ONLY factors of 37.
List the factors of 30
1, 2, 3, 5, 6, 10, 15, 30
List the first 5 multiples of 12
12, 24, 36, 48, 60
32 x 45
1,440
59 ÷ 4
14 R 3
What college football team does Ms. Stansbury cheer for?
LSU
List the factors of 40 & tell if it is PRIME or COMPOSITE
1, 2, 4, 5, 8, 10, 20, 40
COMPOSITE
5 x 9 = 45
Ms. Calhoun has 26 students. Each student eats 4 chicken fingers at lunch. How many chicken fingers did her class eat in all?
104 chicken fingers
6,741 ÷ 3
2,247
Erasers come in a box of 12. There are 148 students in 4th grade. Each student needs 3 erasers. How many boxes of erasers does the grade need to order?
148 x 3 = 444
444 ÷ 3 = 148
148 boxes of erasers
List the factors of 17 & explain if it is PRIME or COMPOSITE
1, 17
PRIME
What is the GREATEST multiple of 8 that is less than 59
8 x 7 = 56
Ms. MacLachlan's classroom is 24 feet long and 17 feet wide. How much area of carpet does she need to cover all of her classroom?
408 square feet of carpet
There are 225 students in fourth grade. If we want to split the grade into even groups of 5. How many groups will there be?
225 ÷ 5 = 45 groups
Four different combinations of two numbers can be multiplied to get 64. What are ALL of the possibilities to get 64? Write as an equation.
1 x 64 = 64
2 x 32 = 64
4 x 16 = 64
8 x 8 = 64
List the factors of 36 & say if it is a PRIME or COMPOSITE number
1, 2, 3, 4, 6, 9, 12, 18, 36
COMPOSITE
What is the greatest multiple of 11 that is less than 111
11 x 10 = 110
We need 3 times as many pencils as students. If we have 26 students, how many pencils do we need?
78 pencils
Ms. Windle has 33 students. She wants to split them into even groups of 4. How many groups can she make and how many students are left over if any?
8 groups of 4 students with 1 student left over
33 ÷ 4 = 8 R 1
Candy canes come in packages of 42. If Ms. MacLachlan, Ms. Chavez, and Ms. Andress want to split 4 boxes evenly, how many CANDY CANES will each class get?
42 x 4 = 168
168 ÷ 3 = 56 candy canes per class