Show:
Addition
Subtraction
Multiplication
Factors
100

157 + 899 = 

1,056

100

100 - 63 = 

37

100

9 x 9 = 

81

100

Is 9 prime or composite?

composite 

200

4,569 + 10,145 = 

14,714

200

543 - 89 = 

454

200

24 x 8 = 

192

200

Is 17 prime or composite?

Prime

300

77,802 + 94,538 = 

172,340

300

2,390 - 1,765 = 

625

300

240 x 5

1,200

300

List the factors of 15 (hint: there are 4 total)

1, 3, 5, 15

400

894,298 + 176,790 = 

1,071,088

400

55,000 - 4,872 = 

50,128

400

78 x 7 = 

546

400

List the factors of 20 (hint: there are 6 total)

1, 2, 4, 5, 10, 20

500

1,987,654 + 8,753,218 = 

10,740,872

500

1,000,000 - 987,123 = 

12,877

500

500 x 50 = 

25,000

500

List the factors of 24 (hint: there are 8 total)

1, 2, 3, 4, 6, 8, 12, 24