8th Grade Calculator Skills

The Negative Sign

100

13 + -7

6

200

-2 + -15

-17

300

8 - (-6)

14

400

-4 - 8

-12

500

-3 + 7 + 12

16

Decimals

100

0.2 + 0.33

0.53

200

56.08 - 3.002

53.078

300

34.6 X 125.87

4355.102

400

Mindy buys two items at the grocery store for $1.75 & $2.45. How much change will she get if she pays with a $20 bill?

$15.80 

($4.20 is her total)

500

5.6/3 

(ROUND TO THE NEAREST TENTH)

1.9

Simplify

100

36/45

4/5

200

4/24

1/6

300

12/56

3/14

400

125/300

(write as a decimal - round to HUNDREDTHS)

0.42 (5/12) 

500

-48/96

-1/2

Fraction to Decimal

100

Change 1/5 to a decimal

0.2

200

Change 0.25 to a fraction

1/4

300

Change negative 3 and two-fifths to a decimal

-3.4

400

Change 0.375 to a fraction

3/8

500

Change 12-1/4 to a decimal

12.25

"You get what you get..."

100

Two squared is...

4

200

What is the square root of 22?

(ROUND TO THE NEAREST TENTH)

4.7

300

2/5 + 1/6

(Your answer should be a fraction)

17/30

400

525⁰

1

500

5^{2 +} 3³

52