Working with Whole #s
Order of Operations
Factorization
Least Common Multiple
Greatest Common Factor
100

 204.95 rounded to the nearest whole number.

What is 205?

100

6+ 43 x 2

36 + 86 = 122

What is 122?

100

List at least one factor pair of 42.

What is 6 and 7?

What is 2 and 21?


100

Least common multiple of 3 and 7.

What is 21?

100

Greatest common factor of 24 and 32.

What is 8?

200

The product of 42 and 118.

What is 4,956?

200

5 x 5 x 5 x 5 as a power. (Using an exponent)

What is 54?

200

List two different factorizations for 20, including its prime factorization.

What is 2 x 10? What is 5 x 4? 

And..What is 2 x 2 x 5, or 22 x 5? 

200

Least common multiple of 22 and 33.

What is 66?

200

Greatest common factor of 12 and 30.

What is 6?

300

The quotient of 986 and 2.

What is 493?

300

Find the value of the power: 83

What is 512?

300

What factor creates the perfect square of 196?

What is 14?

300

Least common multiple of 35 and 50.

What is 350?

300

Greatest common factor of 61 and 73.

What is 1?

400

435 divided by 15.

What is 29?

400

30 / (7 + 8) x 6

What is 12?

400

Find the number represented by the prime factorization: 23 x 112 x 3 =

What is 2,904?

400
Find the LCM of 7, 18, and 21.

What is 126?

400

Greatest common factor of 35, 56, and 63. 

What is 7?

500

A 301 foot high swing at the amusement park can take 64 people on each ride. A total of 8,983 people ride the swing today. All the rides are full except for the last ride. How many rides are given? How many people are on the last ride?

141 rides given, with 23 people on the last ride

500
15 - 4(6+1) / 2=

What is 8?

500

Is 2 the only even prime number? Explain

Yes, 0 is not prime, because it is less than 1, and the next even number, 4, has more than two factors. This pattern continues. Therefore, 2 is the only even prime number. 

500

A radio station gives away $15 to every 15th caller, $25 to every 25th caller, and free concert tickets to every 100th caller. When will the station first give away all three prizes to the same caller?

The 300th caller will get all three prizes. The LCM of 15, 25, and 100 is 300.

500

Describe and correct the error in finding the GCF.

42= 2 x 3 x 7

154= 2 x 7 x 11

The GCF is 7

7 is the greatest common PRIME factor. 

The GCF is 2 x 7 = 14.