Prime and Composite Numbers GCF and LCM Simplest Form and Comparing Fractions Writing Decimals and Fractions
100
Composite

30- 1, 2, 3, 5, 6, 10, 15, 30
Prime or composite?

30
100
6 - 1, 2, 3, 6
8 - 1, 2, 4, 8

GCF = 2
What is the GCF of 6 and 8?
100
1/8
Write the simplest form of this fraction.

3/24
100
4/5 = 0.8
In science class, Paulette is growing a bean sprout. Today the sprout was 4/5 inches. Write this fraction as a decimal.
200
Prime

31 - 1, 31
Prime or composite?

31
200
8 - 1, 2, 4, 8
12 - 1, 2, 3, 4, 6, 12

GCF = 4
What is the GCF of 8 and 12?
200
13/20 is simplified
Write the simplest form of this fraction.

13/20
200
3/4 = 0.75
Write 3/4 as a decimal.
300
2 x 2 x 2 x 11
What is the prime factorization of 88?
300
5 - 5, 10, 15, 20, 25, 30
6 - 6, 12, 18, 24, 30

LCM = 30
What is the LCM of 5 and 6?
300
2/8 = 1/4
Compare using < > or =.

2/8 and 1/4
300
13/25 = 0.52
Write 13/25 as a decimal.
400
2 x 5 x 5
What is the prime factorization of 50?
400
12 - 12, 24, 36
18 - 18, 36

LCM = 36
What is the LCM of 12 and 18?
400
6/10 > 1/5
Compare using < > or =.

6/10 and 1/5
400
3/10
Ten people will equally share three pizzas. How much pizza will each person receive?
500
5 x 7
What is the prime factorization of 35?
500
3 - 3, 6, 9, 12, 15, 18, 21, 24
6 - 6, 12, 18, 24
8 - 8, 16, 24

LCM = 24
What is the LCM of 3, 6, and 8?
500
3/10 > 1/8
Compare using < > or =.

3/10 and 1/8
500
1/12 of a gallon
David is pouring an entire gallon of milk into 12 glasses. What part of a gallon will be in each glass?






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