Find All the Factors
Find the factors of 12.
1, 2, 3, 4, 6, 12
Add the fractions and simplify: 2/5 + 3/5
5/5 = 1
Subtract the fractions and simplify: 4/7 - 1/7
3/7
Find the GCF of 15 and 25.
GCF: 5
Factors of 15: 1, 3, 5, 15
Factors of 25: 1, 5, 25
What is the top number of a fraction called?
Numerator
Find the factors of 18.
1, 2, 3, 6, 9, 18
Add the fractions and simplify: 6/20 + 5/20
11/20
Subtract the fractions and simplify: 19/20 - 5/20
14/20 = 7/10
Find the GCF of 18 and 24.
GCF: 6
Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
What is the bottom number in a fraction called?
Denominator
Find the factors of 30.
1, 2, 3, 5, 6, 10, 15, 30
Add the fractions and simplify: 1/18+3/18
4/18 or 2/9
Subtract the fractions and simplify: 20/14 - 8/14
12/14 = 6/7
Find the GCF of 28 and 42.
GCF: 14
Factors of 28: 1, 2, 4, 7, 14, 28
Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42
What math operation does the fraction bar in the middle of a fraction represent?
Divide
Find the factors of 45.
1, 3, 5, 9, 15, 45
Add the fractions and simplify: 4/32 + 4/32
8/32 = 1/4
Subtract the fractions and simplify: 28/35 - 21/35
7/35 = 1/5
Find the GCF of 36 and 48.
GCF: 12
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
What vocabulary word means "different name, same value"?
Equivalent
Find the factors of 72.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Add the fractions and simplify: 6/34 + 11/34
17/34 = 1/2
Subtract the fractions and simplify: 34/36 - 16/36
18/36 = 1/2
Find the GCF of 63 and 81.
GCF: 9
Factors of 63: 1, 3, 7, 9, 21, 63
Factors of 81: 1, 3, 9, 27, 81
Name one way fractions can be used in real life.
to divide food, money or other items