Factors
List all of the factors of 20.
1, 2, 4, 5, 10, and 20
List the first 6 multiples of 8
8, 16, 24, 32, 40, 48
What is the greatest common factor of 12 and 15
3
What is the least common multiple of 3 and 7?
21
Use an equation to represent that 2 is less than 6.
List the first 6 multiples of 12.
12, 24, 36, 48, 60, 72
What is the greatest common factor of 24 and 20?
4
What is the least common multiple of 4 and 9?
36
True or false, a fraction with a numerator larger than the denominator is called an improper fraction
TRUE
List the first 10 multiples of 8
8, 16, 24, 32, 40, 48, 56, 64, 72, 80
What is the greatest factor of 16 and 36?
4
What is the least common multiple of 2, 3, and 5?
30
True or false, when adding and subtracting fractions, the denominator needs to be the same.
TRUE
List 4 multiples of 7 greater than 10 but less than 50.
14, 21, 28, 35, 42, 49
What is the great common factor of 50, 35, and 15?
5
What is the least common multiple of 20 and 12?
60
Amy has 72 sweets in a bag. She keeps ΒΌ of them for herself and shares the rest with friends. How many sweets will she give to her friends?
54
What is the lowest common multiple of 12 and 18.
36
What is the greatest common factor of 64 and 80?
16
What is the least common multiple of 21 and 24?
168
Of 100 children in Grades 7 and 8, three-quarters have pets; 40 children have a dog, and 18 children have a cat. How many children have other kinds of pets?
17