Show:
multiplication
subtraction
next three number order
place value
pi
100

2x2

4

100

8-2

6

100

5,10,15,20

25,30,35

100

13

what is the place value of 1

tens

100

first digit of pi

3

200

8x2

16

200

12-6

6

200

1,2,4,8

16,32,64

200

3,276

what is the place value of 3

thousands

200

second digit of pi

1

300

9x2

18

300

25-30

-5

300

1,4,8,

12,16,20,

300

32,578 

what is the place value of 5

hundreds

300

third digit of pi

4

400

12x4

48

400

85-28

57

400

20,17,23,14,

26,11,29

400

566,578
what is the place value of 8

ones

400

four first digits of pi

3.141

500

12x10

120

500

180-138

42

500

-12,12-18,20,

-24,28,-30
500

545,654

what is the place value of 4

ten thousands

500

five first digits of pi

3.1415