7th book 1 ch 2 review

Integers

100

What is the opposite of -10

10

200

What does absolute value mean?

A number's distance from zero

300

What is an integer?

Any positive whole number, its opposite, and zero

400

|-5|

5

500

Put in order from least to greatest

7, -3, -2, 0, 2

-3, -2, 0, 2, 7

Add/Sub Integers

100

-5 + (-3)

-8

200

7 + (-6)

1

300

-1 + 9

8

400

-10 - 1

-11

500

70 - (-31)

101

Mult/Div Integers

100

What is the rule for multiplying/dividing integers?

Same sign = positive answer

different sign = negative answer

200

5(-6)

-30

300

-5(-3)

-15

400

-35/-5

7

500

-24 / 4

-6

Powers & Exponents

100

A power contains two parts, what are they called?

base & exponent

200

Write the numerical expression as a power:

(4)(4)(4)(4)(4)

4^5

300

8^2

64

400

(-3)^2

9

500

-3^2

-9

Order of Operations

100

What does the E in PEMDAS stand for?

exponents

200

When performing the order of operations, you always move from...._____ to ______

left to right

300

5(4+2)-3

27

400

-10(-7+11)+5

-35

500

[(4+6)^2]/4 + 3(4)

37