GCF
LCM
Percents
multiplication
Long division
100

Find the GCF of 10 and 15

IT IS 5

100

What is the LCM of 4 and 8

8

100

What is 50% of 50

25%

100

12x4

48

100

1,000,000 divided by 1

1,000,000

200

What is the GCF of 24 and 36

12

200

What is LCM of 10 and 15

30

200

What is 25% of 1,000

250

200

25x8

200

200

1,000 divided by 20

50

300

What is the GCF of 35 55

5

300

What is the LCM 25 and 15

75

300

A track is 4 km long. Jimmy has jogged 3 km. What percentage of the track has Jimmy jogged?

75%

300

12x12

144

300

380 divided by 3 

126 remainder 2

400

What is the GCF of 25 and 49

1

400

What is the LCM of 7 and 9

63

400

In a class of 60 students, 40% are girls. How many girls are in the class?

24

400

52x35 

1820

400

200 divided by 300

200/300

500

What is the GCF of 35 and 49

7

500

What is the LCM of 6,4,16

48

500

At the Natural History Museum, 40% of the visitors are children. If there are 36 children at the museum, how many visitors are there altogether?

90 visitors

500

67x67

4489

500

884 divided by 13

68