Course 2 - Percent of a Number

​Warm - Up

Multiple Choice

Evaluate |-2x + 7| - $$y^3$$  - $$\sqrt[]{z}$$  

If x = 7, y = -2 and z = 16

• -19

• -3

• 11

• 17

Multiple Choice

Convert 0.000045 to scientific notation.

• $$45\ \times\ 10^{-6}$$  

• $$4.5\ \times\ 10^{-5}$$  

• $$4.5\ \times10^5$$  

• $$45\ \times10^6$$  

Course 2 - Percent of a Number Lesson

Multiple Choice

$$What\ \ is\ \ \frac{3}{4}\ \ of\ \ 100?$$   

• $$25$$  

• $$75$$  

• $$50$$  

• $$\frac{3}{4}$$  

Multiple Choice

$$What\ \ is\ \frac{\ 2}{3}\ \ of\ \ 37?$$  

• $$24.67$$  

• $$74$$  

• $$18.5$$  

Multiple Choice

$$What\ \ is\ \ 35\%\ \ of\ \ 196?$$  

• $$35$$  

• $$60$$  

• $$68.6$$  

​Tax - Add onto the final cost.

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​Tip - Add onto the final cost

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​Discount - Subtract from the final cost.