Multiplication
Division
Addition
Subtraction
Skip counting
500

9x11

99

500

1,000,000/10

100,000

500

708+11

719

500

999-2-8

989

500

60,120, ,240, ,360

180,300

1000

4x6

24

1000

300/100

3

1000

609+ =1,000

391

1000

50-23

27

1000

6, ,18, , ,36

12,24,30

1500

7x9

63

1500

100,000/10

10,000

1500

8+56

64

1500

600-34

566

1500

11,22,33,44, ,66, ,88

55,77

2000

6,000x10

60,000

2000

900,000/100

9,000


2000

511,000+739,000

1,250,000

2000

600,909-12,909

588,000

2000

1,200, 2,400,     

3,600

2500

50x100

5,000

2500

600,000/10

60,000

2500

1,000+171,086

172,086

2500

567-111

456

2500

250,500, ,1,000

750