Factors
Word Problems
Vocabulary
Division
Anything Goes
100

What are the factors of 17? 

1 and 17

100

There were some rabbits  in a pen. Altogether I counted 56 feet. How many rabbits were in the pen?

14 rabbits

100

Give a definition of a prime number

A number that has exactly two unique 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?

There are a total of 12:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11

100

This two- digit number is an odd number. 

It is a prime number.

The product of the digits is 15.

53

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

200

Use three math terms you learned in this unit to describe number 36.

Possible answers are:

It is..

- a composite number,

- even number,

- Square number,

- multiple of 1, 2, 3, 4, 6, 9, 18 and or 36 

- a factor of 36, 72.

200

Write a related sentence that uses multiplication for 45/ 6

7x6+3=45

200

What is the least common multiple of 4,6 and 8?

24

300

Give an example of a number with exactly three different factors

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.

(You should have explained an efficient mental strategy to find the total of $6.45)

300

What do 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

Explain how to multiply 299 times 4 in your head. Give your answer as well.

Answer: 1,196 

One strategy would be to round 299 to 300, then multiply 300 by 4 to get 1,200. Since 300-299 is 1, you have 4 more than you need, so you must subtract 4 from 1,200 to get 1,196.

400

List the factors of 39

1, 3, 13, 39

400

Mr. Heckhaus has been collecting recycled cans for a charity drive. Each can is worth 5 cents. Mr. Heckhaus has raised $2.35. How many more cans does he need to collect in order to have a donation of $5.00?

53 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.

400

Ms. Kwon said that 23/ 0= 0 but Mrs. Zemke disagreed and said there is no answer. Who is right? Explain.

Mrs. Zemke is right since the multiplication sentence that corresponds to the division problem is 0x0=23, which is false. No answer is possible, which means that the problem is undefined.

400

This number is composite.

The digits add to 12.

One of the factors is 13.

39

500

What is the greatest common factor 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?

3 packages of hot dogs and 2 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 3½ in which the answer includes 3 as the remainder

Answers will vary

500

I'm thinking of the smallest number that when divided by 4 has a remainder of 3, but when divided by 5 has a remainder of 0.

What is the number?

15

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