Computation
Rounding
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
Math Vocabulary
100

What is the remainder of 5/68?

13 R3

100

68 x 7

70 x 7 = 490

100
What is the Greatest Common Factor (GCF) of 60 and 30?
30
100
What is the Least Common Multiple of 6 and 10?
60
100
What vocabulary word means the answer to an addition problem?
sum
200
What is the prime factorization of 20 using exponents? 

22x5

200

392 x 46 =

400 x 50 = 20,000

200
What is the Greatest Common Factor (GCF) of 20 and 35?
5
200
What is the Least Common Multiple of 20 and 4?
20
200
What vocabulary word means the answer to a multiplication problem?
product
300

104=?

10x10x10x10= 10,000

300
In one week, a campground rented 18 cabins at 225 dollars each. About how much did they collect in rent all together? 

20 x 200 = 4,000 dollars

300
What is the Greatest Common Factor (GCF) of 44 and 33?
11
300
What is the Least Common Multiple of 6 and 8?
24
300
What vocabulary word means the top part of a fraction?
numerator
400

Multiply carefully! 52 x 39 = ?

2,028

400

545/5

500/5 = 100

400

What is the Greatest Common Factor (GCF) of 45 and 63?

9

400
What is the Least Common Multiple of 2,3 and 5?
30
400
What vocabulary word means the answer to a division problem?
quotient
500

Divide carefully! 168 ÷ 12 = ?

14

500

639/7=

640/8= 80

500
What is the Greatest Common Factor (GCF) of 48 and 64?
16
500
What is the Least Common Multiple of 2,3, and 9?
18
500

What is the definition of a compatible number? 

Numbers in a problem that are easy to work with mentally

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