Prime Time
Divisibility
GCF
Equivalent Fractions
Simplify
100
A _____________________ is a number that has exactly two factors, the number 1 and itself.
What is a prime number.
100
All even numbers are divisible by ______.
What is 2.
100
The largest number that is a factor of two of more numbers is called the _____________________.
What is Greatest Common Factor.
100
The top number in a fraction is called the ____________.
What is numerator.
100
Simplify the fraction 36/48.
What is 3/4.
200
A _______________________ is a number that has more than two factors.
What is a composite number.
200
True or false...All even numbers are composite.
What is FALSE...The number 2 is even and a prime.
200
Find the GCF of 25, 75 and 100.
What is 25.
200
The bottom number in a fraction is called the ________________.
What is denominator.
200
If x/32 is in simplest form; what could the value of "x" be? a. 5 b. 2 c. 4 d. 6
What is a; 5.
300
Is 23 prime or composite?
What is prime.
300
According to the 4's divisibility rule; a number is divisible by 4 if the last two digits are divisible by __________.
What is 4. Example: 164 is divisible by 4 because 64 is divisible by 4.
300
What is the GCF of 300 and 305?
What is 5.
300
True or false: 8/10 = 24/30
What is TRUE.
300
Simplify the fraction 9/72.
What is 1/8.
400
Which of the following numbers is prime: a. 33 b. 35 c. 37 d. 39
What is c; 37.
400
If a number is divisible by both 2 and 3 than it is divisible by __________.
What is 6. Example: 126 is divisible by 2 (2x 63) and 3 (3 x 42); so it is divisible by 6 (6 x 21)
400
What is the GCF of 52 and 78?
What is 26.
400
Find the value of X: 5/7 = x/ 49
What is 35.
400
What is the decimal form of the fraction 1/4?
What is 0.25.
500
Using exponents, what is the prime factorization of 72?
What is 2^3 x 3^2.
500
Using the divisibility rules, list if 126 is divisible by the following numbers. You have 90 seconds. 2- 3- 4- 5- 6- 9- 10-
What is 2-yes 3-yes 4- no 5-no 6-yes 9-yes 10-no
500
List all of the common factors of 12 and 42.
What is 1,2,3 and 6.
500
Which of the following fractions is NOT equivalent to the others? a. 6/36 b. 3/18 c. 24/144 d. 9/42
What is c; 9/42.
500
Write three fractions that are equivalent to 4/12.
What is 1/3; 2/6; 8/24.
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