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

1 + -3 + 2

0

100

487 120

find the plave value of the 2

tens

100

24 x 2 - (1 + 1)

46

100

XXV + I 

26

100

12, 10, 8, __, __, __

find the 3 missing numbers in this pattern

6, 4, 2

200

-3 x -7 + 9

30

200

647 122 

find the place value of 6

hundred thousands

200

74 x 3 + 2 - 1 x 2

225

200

CVI + VI + XV

125

200

4, 8, 12, 16, __, __, 28, __

find the 3 missing numbers in this pattern

20, 24, 32

300

(82 / -2) + 17 - -2

-22

300

7 640 + 20

what number will replace the 4 in the tens place

6

300

4+ (72 x 4)

296

300

CCXV + DCL

865

300

22, 25, 28, __, __, __,

a) find the 3 missing numbers in this pattern

b) what is this pattern ascending by?

a) 31, 34, 37

b) 3

400

-6/2 + 4 x 24 - -2

95

400

what is the place value of the 1 in the final answer of 7091.2 + 2121.3 ?

tens

400

-2 x (1 x 4 - 2 / 2) + ( 8 + 3 - 4)

1

400

MDXV + MMXX + LII + III

3 584

400

1, 2, 4, 8, __, __, __

a) find the 3 missing numbers in this pattern

b) what is this pattern ascending by?

a) 16, 32, 128

b) double the number

500

(54 x 12) - -48 + 2 + -51

647

500

what is the place value of the 2 in the final answer of 3901.3 + 60216.301 ? 

hundreds

500

86 x 3 + (20 + 43) + 4 / 4

291

500

MMMMMXII + LCVI - DCXL 

4 626

500

24, 56, 88, __, 152, __, __

a) find the 3 missing numbers

b) what does this pattern increase by?

a) 120, 184, 216

b) 32