Phyetra

LCM

100

23.45 + 1.67

25.12

200

35.26 + 27.45

62.71

300

345.120 + 101.350

446.470

400

400,287.198 + 300,497.078 

700,784.276

500

3,471,200.100 + 4,200,130.200

7,671,330.300

GCF

100

What is the GCF of 24 and 40

8

200

What is the GCF of 18 and 24?

6

300

What is the GCF of 14 and 20 

2

400

What is the GCF of 72 and 48 

24

500

What is the GCF of 27 and 36

9

Subtraction

100

43-32

11

200

252-177

75

300

456.78-123.45

333.33

400

1,234,567.89-987,654.32

246,913.57

500

98,765-12,345

86,420

Adding and subtracting decimals

100

8.17 + 1.12 

9.29

200

19.210 - 8.300

10.910

300

130.121 + 397.715

527.836

400

800,796.120+920,567.210

1,721,363.330

500

1,303,211.12-1,213,111.10

90,100.02

Multiplication

100

12x12  

144

200

120 x 9

1,080

300

742 x 5

3,710

400

7,562 x 235

746260

500

64,396 x 21,726

1399067496

Multiplying Fractions

100

2 x 4/5

8/5

200

2 x 5/10

10/10

300

35 x 100/9,000

8,000/9,000

400

342 x 234/408,800

307,800/408,800

500

3423 x 1423/300,000,000

291,493,000