Show:
Primes and Factors
Definitions
Equivalent and reduced
Adding and subtracting
Word problems
100
A number with MORE than 2 factors is a _______ number
composite
100
The bottom of a fraction is called the _______
denominator
100
2/5=__/30
12
100
What is 3/8 + 1/8 (answer in simplest form)
1/2
100
I had a birthday party. After the party, I had 1 3/8 chocolate cake left, and 2 7/8 lemon cake. How much cake do I have in all after the party?
4 2/8 (or 4 1/4)
200
What are the first 10 prime numbers?
2, 3, 5, 7, 11, 13, 17, 19, 23, 29
200
9/12=3/4. 3/4 is a fraction in ________ form
simplest (or reduced)
200
Simplify 24/42
4/7
200
Find the difference of 11/9 and and 8/9. (in simplest form.)
1/3
200
I have a bucket with 5 1/3 liters of water. I spilled 5/3 liters. How much do I have left in the bucket?
3 2/3 liters
300
What are the prime factors of 72? (use a factor tree)
2, 2, 2, 3, and 3
300
15/4 is an ____________
improper fraction
300
Write 21/4 as a mixed number
5 1/4
300
1 3/4 + 2 3/4 (write as a mixed number)
4 1/2 (or 4 2/4)
300
What is one-fifth of 120?
24
400
What are ALL the factors of 32?
1, 2, 4, 8, 16, 32
400
12/36 and 6/18 are ______________
equivalent fractions
400
Find equivalent fractions for 1/3 and 5/6. The denominators of both must be 18
6/18 and 15/18
400
5 5/10 - 2 7/10=
2 8/10 (or 2 4/5)
400
I have 20 fruits. 1/5 are oranges. 2/5 are bananas. The rest are apples. How many are apples?
8
500
What is the greatest common factor of 12 and 30?
6
500
The product of 5 and 4 is 20. 5 and 4 are ________ of 20
factors
500
Order these fractions from smallest to largest: 3/4, 15/18, and 2/3
2/3, 3/4, and 15/18
500
Find the product of 12 and 2/3
8
500
I bought 12 red socks and 6 green socks. What fraction of socks are green?
1/3