Fractions/decimals
Exponents
Order of Operations
Powers of 10
Estimating with Decimals
100

What is 1/5 as a decimal?

0.2
100

What is 10 x 10x 10 x10 as an exponent?

104

100
Solve this equation


4+3 x 2-1

9

100

5.46 x 102

546

100

6.2 x 21.3

120
200
What is .03 as a fraction?

3/100

200

What does 54  equal?


5 x 5 x 5 x 5 

or 625

200

(2 x 12) + 5-2 / 2

28

200

37.14 x 103

37,140

200

9.6 x 38.6

400


300
Write 2.5 as a fraction.

2 5/10

300

What is 3x2  when x =4?

48

300

33 -10 +7

24

300

12.89/102

0.1289

300

60 / 1.93

30

400

What is 3 7/8 as a decimal 

3.875

400
What is 40 + 31=

4

400

42- 10 /2 +50

38

400

5.4 /103

0.0054

400

209 / 69

3

500

What is 20/3 as a decimal?

6.666666.....

500

What is x3 + 5x=  

when x is 3

152


500

10+3(5)2 /5

25

500

6 / 103

0.006

500

123.9 / 12

10

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