history of numbers
place value
integers
number patterns
order of operations
100

3 in roman numerals

lll

100

what is the place value of 3 in this number?

423 674

1000

100

89x3-46+53

274

100

1,2,4,8,16,?

what is the next number in this pattern?

32

100

(105+39)-24x4

48

200

20 in roman numerals

XX

200

what is the place value of 6 in this number?

68 934

10 000

200

2x8+57-46

27

200

9,18,27,?,45,54,?,72,81,90

what are the 2 missing numbers in this pattern.

36,63

200

30-102+50x23÷2

503

300

100 in roman numerals

C

300

what is the place value of 9 in this number?

138 629

1

300

8-3x5+93-9+12

89

300

1,3,5,?,?,?,13,?

what are the 4 missing numbers in this pattern?

7,9,11,15

300

53+20-10+(30÷2)

78

400

1257 in roman numerals

MCCLVll

400

what is the place value of 5 in this number?

839 574

100

400

97+54+36+89+43-224

95

400

1,3,6,10,15,?,28,?

what are the 2 missing numbers in this pattern?

21,36

400

(53+28)-142x8÷3(20+34)

20 529

500

3482 in roman numerals

MMMCDLXXXll

500

what is the place value of 2 in this number?

205 836

100 000

500

53+64-94+78-3

98

500

50,30,10,?

what is the missing number in this pattern?

5

500

(79+32)x95-47+842+38

11 378

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