Percentages

Unit 11 Percentages

• Calculate percentage and solve problem involving them

• Calculate percentage increases and decreases and solving problem involving them​

Multiple Choice

$$\frac{1}{4}\ \times\ 12$$  Answer in simplest form

• $$\frac{12}{4}$$  

• 3

• 4

• $$\frac{1}{12}$$  

Multiple Choice

$$16\ \times\ \frac{3}{8}\ \$$   Answer in simplest form

• $$\frac{48}{8}$$  

• $$\frac{16}{8}$$  

• 3

• 6

​can you give other examples in daily life?

​11.1 Calculating Percentages

​Any other ways?

​REMEMBER MULTIPLICATION OF FRACTIONS!!!

Multiple Choice

What is 50% of a 1000

• 500

• 400

• 600

• 200

Multiple Choice

What is 10% of 275

• 27
• 27.05
• 2750
• 27.5

Multiple Choice

What is 5% of 50

• 5
• 2.5
• 2
• 3

Multiple Choice

What is 90% of 300

• 270
• 280
• 220
• 210

Multiple Choice

Which is bigger:
25% of 200 
OR
20 % of 250

• 25% of 200
• 20% of 250
• They are the same

​11.2 Percentages increases and decreases

Multiple Choice

Discount is ____________ from the price.

• added
• divided
• subtracted
• Multiplied

Multiple Choice

20% discount on $85

• $60

• $65

• $68

• $70

Multiple Choice

Increase $90 by 12%

• $10.80

• $102

• $100.80

• $90.12

Multiple Choice

Find the tip amount on a $20 lunch if you leave a 20% tip.

• $ 0.40

• $ 2.00
• $ 4
• $ 24