Unit Wrap Up: Number Systems (7)

Integers

100

This is the opposite of 25

What is -25

200

$100 is deposited into a checking account.  This will result in a zero balance.

What is withdrawing $100

300

This will give you a positive number when combined with negative nine.  

What is ten

400

This is the distance from -3 to 12.

What is 15

500

This is the distance from -17 to 13.

What is 30

Add & Subtract Integers

100

14 + (-4)=

10

200

-9 + (-6)

-15

300

142 - (-53)=

195

400

-50 - 30

-80

500

-22 - (-9) - 7

-20

Multiply & Divide Integers

100

-6 x (-6)

36

200

-8 x 6

-48

300

-300/30

-10

400

-245/ (-35)

7

500

-8 x (-9) x (-3)

-216

Repeating & Terminating

100

This is 1/4 as a decimal

What is 0.25

200

This is 3/5 as a decimal

What is 0.6

300

This repeating decimal is 2/3 as a fraction

What is 0.6 repeating

400

This repeating decimal is 5/9 as a fraction

What is 0.5 repeating

500

This repeating decimal is 7/11 as a fraction

What is 0.63 repeating

Op's w/ Rational #'s

100

18.7 + (-5.2)

13.5

200

-2/7 + (-2/3)

-20/21

300

1 1/2 - (-4.35)

5.85

or

5 17/20

400

4/7 x (-8/9)

-32/63

500

-4.1 - (6/2 x 3/8)

-5.225

OR

-5 9/40