Primes and Composites
GCF and LCM
Fractions: Ordering and Equivalent
Improper Fractions, Mixed Numbers and Decimals
Potpourri
100
What is the smallest prime number?
2
100
What is the GCF of 20 and 25?
5
100
Name three equivalent fractions of 8/9
Many possibilities
100
Change 81/7 into a mixed number
11 4/7
100
You go to the doctor and measure 5 3/8 feet tall. What is this measurement in decimal form
5.375 feet
200
What is the prime factorization 180? Write it in exponential form.
2^2 x 3^2 x 5
200
What is the LCM of 12 and 14?
84
200
Put the fraction in simplest form. 60/80
3/4
200
Change 5 9/10 into an improper fraction.
59/10
200
Your classmate’s basketball free-throw shooting average is 0.585. Rewrite this average as a fraction in simplest form.
117/200
300
True or False. Any number that is divisible by six is even?
True.
300
List all of the common factors of 45 and 60
1, 3, 5, 15
300
Which fraction is larger 12/19 or 5/7?
5/7
300
Place the following fractions in order from least to greatest: 21/9, 15/4, 23/18, 25/12
23/18, 25/12, 21/9, 15/4
300
Find two whole numbers whose GCF is 8
8 and 16, 8 and 24, many answers
400
Find a number between 40 and 50 that is composite and whose prime factors add up to 15.
44
400
A township wants to put some ponds in a park. They want to stock the ponds with fish. They have 24 perch, 48 catfish, 144 bass, and 60 salmon to stock the ponds. How many ponds could they have in order that they would have the same number of each type of fish in each pond? What is the greatest number of ponds? How many of each type of fish would be in the pond?
12: 2 perch, 4 catfish, 12 bass, 5 salmon
400
One square has a side length of 4, and another square inside of the square has a side length of 2. Write a fraction in simplest form of the area of the smaller square to the area of the larger square.
1/4
400
Convert the following decimals into fractions in simplest form. 0.32, 1.98, 2.22, 0.48
8/25, 1 49/50, 2 11/50, 12/25
400
Write the product of 3.56 and 3.1 as a fraction or mixed number in simplest form.
11 9/250
500
A soccer league has 48 children signed up. Can the players be divided onto more than three teams of equal size with at least six children on a team? List the numbers of teams and players on each team that satisfy this.
4 teams of 12 children 6 teams of 8 children 8 teams of 6 children 12 teams of 4 children
500
In a mall, three stores run sales frequently. Store A runs a sale every 8 days, Store B every 3 days, and Store C every 6 days. On day 1 of this month, all three stores are running a sale. On what day will all three stores be running a sale again?
On day 25.
500
An auditorium has sections with various numbers of seats. Section A has 25 of its 30 seats full, Section B has 60 of its 80 seats full, and Section C has 40 of its 50 seats full. Place these fractions in order from least to greatest.
B, C, A
500
Convert the following fractions into decimals: 1/9 8 2/5 3/11 6 9/25
0.1 repeating 8.4 .27 repeating 6.36
500
I am an improper fraction that is more than 3 and less than 3 1/3. The sum of my numerator and denominator is 17. What number am I?
13/4
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