Math Review

Presentation

•

Mathematics

•

8th Grade

•

Hard

•

CCSS

7.G.B.4, 6.RP.A.3C

Standards-aligned

Gaynor Lloyd

Used 5+ times

FREE Resource

4 Slides • 3 Questions

Math Review

Area and Perimeter (circle), Exponent Rules, Percentages.

AREA & PERIMETER

CIRCLE AREA=Πr²
CIRCLE PERIMETER= 2Πr

Multiple Select

A circle has an area of 49Π, it's diameter is

4.9

Exponent Rules

Multiple Choice

Simplify the expression $\frac{\left(\text{t}^3\times t^2\right)^2}{t\times t^2\times t^3}=?$

$t^2$

$t^4$

$t^8$

$t^{10}$

Percentages

Per cent = per hundred or /100
to calculate 15%. Multiply by 15 divide by 100
To reduce a price by 10% take amount multiply by 10 divide by 100 and then subtract the resulting number from the original number.
Example: Original cost $30 less 10% (30x10=300/100=3 then subract this from original amount 30-3). = $27

Multiple Choice

During the end of the year sale, all items are discounted 20%. If a shirt has a price tag of $30 and a pair of jeans has a price tag of $40, how much will they cost during the sale?

$14

$50

$54

$56

$62

Math Review

Area and Perimeter (circle), Exponent Rules, Percentages.

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