history of number
place value
integers
order of operation
number patterns
100

what does XXV mean in roman numerals?

25

100

what is the value of 2 in the following?

                              27

tens

100

89-10

79

100

7x2-7

7

100

6,12,18...

24,30,36

200

what does MDC mean in roman numerals?

1600

200

what is the value of 5 in 4588

hundreds

200

127-23

104

200

8x3-20

4

200

20,40,60...

80,100,120

300

what does MMVI mean in roman numerals?

2006

300

what is the value of 7 in 579129

ten thousands

300

589-67

522

300

102x4+12-6


414

300

90,180,270...

360,450.530

400

what does LXXXVI mean in roman numerals?

86

400

what is the value of 9 in 987657?

hundred thousands

400

78 - 55679

-55601

400

96312x1+1-0

96313

400

130,260,390...

520,650,780

500

what does DCLXI mean in roman numerals?

661

500

what is the value of 4 in 4561287

millions

500

76-547148

-547072

500

3345.80-13342.30

-9996.5

500

540,1080,1620...

2160,2770,3310