^ TIP: If the original number was BIG (#>1), the exponential degree of power is positive.

^ TIP: If the original number was SMALL (#< 1), the exponential degree of power is negative.

3 3. Simple Interest equals Principle times rate % times years SI= Prt SI= $200 x 0.08 x 3 =

4 4. Method 1 - Evaluate Sale Price Sale Price = Regular $ - (Reg. $ x %) Sale Price = $24 - ($24 x 0.25) = d $24 – d = OR Method 2 - Evaluate Sale Price 100% -25% =75% Sale Price = $24 x 0.75) =

5 5. Method 1 - Sale Price Sale Price = Regular $ - (Reg. $ x %) Sale Price = $80 - ($80 x 0.2) = d $80 – d = OR Method 2 - Evaluate Sale Price 100% - 20% = 80% Sale Price = $80 x 0.8 =

Division- Same base? YES, so SUBTRACT the exponents -2 – (-4) 10 = Multiplication- Same base? YES, so ADD the exponents =

Times- Same base? YES, so ADD the exponents = Same base? NO, so SOLVE (6 x 6) x (2 x 2) =

8 10. Multiplication > Division- Same base? YES, so ADD the exponents, THEN SUBTRACT and solve (6 + 4) =

9 11. <

Distance from zero. Distance is always p sitive.

11 13.

downward

15.

minus 13 < = 39 x

(4 - ) = Substitute- Use PEMDAS to evaluate.

Substitute- Use PEMDAS to evaluate.

Substitute-Use PEMDAS to evaluate 7

18 20.

$30 = one hour plot

l Expanded form

( -2) ( -2) ( -2) ( -2) ( -2) =

Simplify Multiply coefficients Combine like terms

Positive, or negative correlation?

24 27.

Slope = Positive, or negative correlation? Plot (4, 0) and (0, -2) Simplify

Slope = Positive, or negative slope correlation? Use the ordered pairs

x1.6 miles kilometer distance hour Use proportions Cross products, Divide to solve. 65 x 1.6 = OR

x width length Use proportions Simplify first, then Cross products, Divide to solve. scale~fake actual~real x width length scale~fake actual~real

x 18 height inches scale~fake actual~real Use proportions Cross products, Divide to solve x 8 = OR

x 130 words minutes can type at this rate Use proportions Cross products, Divide to solve.

(100 x 240)– (40 x 70) =

Divide into 3 rectangles Find each rectangle’s area Find the sum of the rectangles’ areas OR (13 x 7) – (4 x 8)= “bite”

36. Convert feet to inches 1 foot = 12 inches 2 feet = 24 inches Evaluate the rectangle’s area using A = lw A = 24” x 6”

Use Pythagorean Theorem Substitute, and solve.

Right Triangle Use Pythagorean Theorem Substitute, and solve.

Congruent ~ same same side measurements same angle measurements