TAKS Review Percent is out of 100 interior angles of a triangle equal 180 Triangles are named by there angles and sides Named by side:

Scalene- NO sides equal

Isosceles - TWO sides equal

Equilateral- ALL sides equal Named by angles:

Right - One 90 degree angle

Acute - All angles less then 90

Obtuse - One angle greater then 90 Change a fraction to a

decimal DIVIDE! (numerator

divded by denomenator) Change Percent to Decimal or

Decimal to Percent, move decimal 2 places.

Angles in quadrilateral equal 360 Trapezoid - One set of parallel sides. Parallelogram- 2 sets of parallel sides, opposite sides and angles congruent. Rhombus- 2 sets of parallel sides,

all sides congruent Rectangle- 2 sets of parallel sides,

opposite sides congruent, 4 right angles Square- All sides and angles congruent (angles equal 90) Supplementary - 2 angles 180 degrees

Complementary- 2 angles 90 degrees Perimeter- distance around, units no exponent Area - the space something covers, units squared Volume- how much it will hold, units to the 3rd power USE YOUR MATH CHART!!! TAKE YOUR TIME! IF YOU GET TO A PROBLEM

AND YOU DON'T KNOW HOW

TO DO IT, SKIP IT, DO NOT GET

FRUSTRATED!!!!!!!! When working a problem

with a pattern, the pattern

is always the number you

mulitply in the equation.

If you have no idea, plug in

1, 2, 3 into the equations and

find your pattern. Tax, commission, discount problems you

can use a ratio or multiply by the percent,

just don't forget to add or subtract

it to the original. Percent of change: amount of change over original Be careful for the word NOT! When looking at a picture of something squared or square root, the picture must be a SQUARE!!! 3-D shapes are named by their bases Pyramid - has 1 base

Prism- 2 bases Mean (average) - add all up and divide by how many there are

Mode- Number that occurs the most

Median- Number in the middle

Range- Greatest minus Least Translation - slide

Reflection - flip

Rotation - turn

DO NOT PICK TESSELLATION When adding or subtracting

decimals line them up. Adding and Subtracting Fractions - common denmenator

Multiplying Fractions- Top x Top Bottom X Bottom

Dividing Fractions- Flip the second and muliply

(Multiply and Divide- Change mixed numbers into improper fractions and whole numbers put over 1) Circumference - distance around Coordinate Grid (x, y) Quadrant I Quadrant II Quadrant III Quadrant IV Order of Operation

Use it ALWAYS!

Parantheses

Exponents

Multiply/Divide

Add/Subtract If you are solving an equation and are lost, plug in your answer choices into the equation!!! Similar Figures:

Same Shape

Angles Congruent

Sides Proportional

Different SIZE

Similar Figures:

Sides proportional, so if missing side

use proportions to solve!!!

Integers on number line:

The bottom line tells 1st number, second/third line count to see how far you add. Final stopping point is answer NOT part of expression. Adding Integers: signs same add keep signs

signs different find the difference

(keep sign of larger number) Subtracting Integers-

Change minus to plus and sign of second number

Multiply and Divide Integers-

Same signs positive

Different signs negative

P N N YOU CAN DO THIS, HAVE CONFIDENCE! YOU ARE ALL PASSING 8TH GRADE MATH,

THERE IS NO REASON YOU CAN NOT PASS THE 7TH GRADE TAKS TEST! BELIEVE

IN YOURSELF!!!!

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