Factors and GCF
Multiples and LCM
Vocabulary
Prime and Composite
Word Problems
100
List the 6 factors of 20.
What are 1, 2, 4, 5, 10 or 20?
100
List the first 5 multiples of 5.
What is 5, 10, 15, 20, 25?
100
The sum in the problem 8 + 12 = 20.
What is 20?
100
Find the prime number: 10, 14, 21, 27, 29, 35
What is 29?
100
If Isabeliz makes 12 cupcakes and Marilina makes 10 cupcakes, a problem giving the sum of the cupcakes is:
What is 12 + 10 = 24 (The sum is 24)
200
The Greatest Common Factor of 18 and 30.
What is 6?
200
The Least Common Multiple of 6 and 8.
What is 24?
200
The answer to a division problem.
What is the Quotient?
200
Find 4 composite numbers between 1 and 10.
What are 4, 6, 8, 9?
200
Jason wants to organize his sports cards in packets for each type of sport. Each packet has the same number of cards. If he has 40 hockey cards, and 45 football cards, find the greatest number of cards in each packet.
What is 5 cards?
300
Identify the factors of 72.
What are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72?
300
Next 3 multiples of 8 that are greater than 50.
What are 56, 64, 72?
300
Identify factors and product of the problem: 25 x 40 = 1000.
What are factors 25 and 40? What is the product 1000?
300
The prime factorization of 36.
What is 2 x 2 x 3 x 3?
300
Mrs. Murphy wants to give her dog, Leia, a special treat. She has 18 dog bones and 24 pieces if beef jerky. If she wants to give her dog the same number of treats every day, what is the greatest number of days she can feed the dog these treats?
What is 6 days?
400
The Greatest Common Factor of 80 and 120.
What is 40?
400
3 numbers that have 18, 24 and 42 as multiples.
What are 2, 3, and 6?
400
Part 1: The answer to a subtraction problem. Part 2: 15 in the problem: 15 - 10 = 5 Part 3: 28 in the problem: 40 - 28 = 12
1. What is the Difference? 2. What s the Minuend? 3. What is the Subtrahend?
400
Find 3 prime numbers and 6 composite numbers between 10 and 30
Prime: What are 11, 13, 17, 19, 23, 29? Composite: What are 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28?
400
A radio station, 94.5, is giving away a discount coupon to every 12th caller and a free concert ticket to every 20th caller. Which caller will be first to win both the coupon and the ticket?
What is 60th person?
500
The factors of 1000.
What is 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000?
500
The Least Common Multiple of 6, 9 and 15.
What is 90?
500
Part 1: Create a problem with a dividend of 20. Part 2: Create a problem with a divisor of 30. Part 3: The quotient of 40 and 8.
1. What is 20/4 = 5? 2. What is 90/30 = 3? 3. What is 5?
500
The prime factorization of 210.
What is 2 x 3 x 5 x 7?
500
At a party store, paper cups come in packages of 15, paper plates come in packages of 10, and napkins come in packages of 20. In order to have the same number of cups, plates, and napkins, what is the least number of each that must be purchased?
What is 30 items?