Review

WTFormula?

100

This is the equation for finding how much grass seed to buy for your yard.

Area means cover

A = lw

200

This is the equation for finding the amount of fabric necessary to replace a sailboat sail

Area of a triangle

A = (bh)/2 or 1/2bh

300

This is the equation for finding the area of a circle

400

Pi = Circumference divided by the ________

Diameter and always =3.14

500

To get the perimeter of a shape

Add all the sides

P = s + s + s

Exponents and perfect squares

100

2^{0 =}

^{ANY number to the zero power equals....}

1

200

What is the square root of 144?

12

300

what is the next perfect square?

16, 25, 36, 49

8 x 8 = 64

400

Which number is NOT a perfect square?

169   196  225   333

333

500

What is the value of:

2³ + 3² - 4²

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

Order of Operations

100

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

200

Simplify the following expression:

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

300

3 + 4²(3 + 2)  What is the second operation to perform?

After groups comes Exponents 4 x 4 = 16

400

500

Combining Integers

100

-4 + -5

 Same Sign Sum  =   -9

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

200

(2)(-3)

Different Signs - negative    -6

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

300

-10 + 15

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

400

-12/ -6

same signs positive    2

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

500

6 + (-2 + -5)

Expressions and Equations

100

What do you call the J?   J + 2 = -5

a variable

200

How many terms are in the following...

2x - 1 =  y + 8

4  terms

300

What goes up but never comes back down?

your age

400

No matter what, what can you always count on?

your fingers

500

Name the Coefficient:   8 +  2y  

2

Fraction, Decimal, Percents

100

What is 3/4 as a percent?

75%

200

What is 4/5 as a percent?

80%

300

1/8 as a decimal?

.125

400

5% is what as a decimal?

0.05

500

What is 1/3 as a percent?

1/3 = 3/9  use the 9 rule...

33.3%