There were some rabbits in a pen. Altogether I counted 56 feet. How many rabbits were in the pen?
There were 14 rabbits in the pen.
100
Give a definition of a prime number.
A number that has exactly two factors, 1 and itself. The numbers 2, 3, and 5 are some examples of prime numbers.
100
What remainders are possible when the divisor is 12?
0-11
100
It is the smallest two-digit prime number.
11
200
How many factors does 28 have?
6
200
How many cars are needed to take 46 Girl Scouts to the community center after school if each car holds six Girl Scouts in addition to the driver?
8 cars are needed.
200
Use three math terms you learned in this unit to describe the number 36.
Five possible answers include: It is a composite number, even number, square number, multiple of 1, 2, 3, 4, 6, 9, 12, 18, and/or 36 and is a factor of 36, 72, etc.
200
Write a related sentence that uses multiplication for 45 divided by 6.
7 x 6 + 3 = 45
200
It is divisible by 10. The tens digit is equal to the number of legs on an insect.
60
300
Give an example of a number with exactly three different factors.
*Any number that is a square of a prime number such as 4, 9, 25, 49, etc.
300
Pens cost $1.29 each. Use mental math to figure out how much it will cost to buy five pens.
$6.45
**Students need to explain their strategy
300
What doe the words product, sum, quotient, and difference have in common?
All terms describe the answer as a result of an operation (multiplication, addition, division, and subtraction)
300
The quotient is 13, the divisor is 6 and the remainder is 3. What is the dividend?
81
300
It is odd. It is prime. The product of the digits is 15.
53
400
What is the Least Common Multiple (LCM) of 4, 6, and 8?
24
400
Diogenes has been collecting recycled cans for a charity drive. Each can is worth $0.05. Diogenes has raised $2.35. How many more cans does he need to collect in order to have a donation of $5.00?
He will need to collect 53 more cans.
400
What are the divisor and dividend, and how are they related?
The divisor is the number in a division problem that divides into another number, known as the dividend.
In terms of an array -- the dividend is the area of the array and the divisor is the size of the groups you need to create to find out the quotient (how many groups you can make).
400
Jon said that 23 divided by 0 equals 0 but Carla disagreed and said there is no answer. Who is right? Explain.
Carla is right since the multiplication sentence that corresponds to the division problem is 0 x 0 = 23, which is false. No answer is possible, which means that the problem is undefined.
400
It is composite. The digits add to 12. One of the factors is 13.
39
500
What is the Greatest Common Fact (GCF) of 24 and 18?
6
500
If hot dogs come in packages of eight and buns come in packages of 12, what is the minimum number of hot dog and bun packages needed so every bun has one hot dog?
Three packages of hot dogs and two packages of buns.
500
Explain how a multiple and a factor are alike and different.
A multiple and factor both are terms used to describe multiplicative relationships; a factor is a number that divides exactly into a given whole number, and a multiple is a number that is the product of a given number and a whole number.
500
Make up a division word problem with a quotient of 3 1/2 in which the answer includes 3 as the remainder.
Answers will vary.
500
The digits sum to 9. It is odd. It is a square number.