Estimating Percentages with Quick Math Tricks

What is 10% of 80?

• 8.5

• 12.5

• 8

• 10

Tags

CCSS.6.RP.A.3C

How do you calculate 20% of a number using 10%?

• Double the 10%

• Half the 10%

• Add 5% to 10%

• Subtract 5% from 25%

Tags

CCSS.6.RP.A.3C

What is 5% of 40?

• 20

• 5

• 4

• 2

Tags

CCSS.6.RP.A.3C

How can 25% be broken down into simpler percentage components?

• 15% + 10%

• 10% + 10% + 5%

• 20% + 5%

• 25% + 0%

Tags

CCSS.6.RP.A.3C

What is the total of 10%, another 10%, and 5% of 320?

• 16

• 32

• 64

• 80

Tags

CCSS.6.RP.A.3C

What is a common tip percentage in restaurants?

• 20%

• 25%

• 10%

• 15%

Tags

CCSS.6.RP.A.3C

How much is a 15% tip on a $40 bill?

• $6

• $4

• $8

• $10

Tags

CCSS.6.RP.A.3C

What is the 20% discount on an item priced at $110?

• $11

• $44

• $22

• $33

Tags

CCSS.6.RP.A.3C

What is the purpose of the game 'Ice Ice Baby' mentioned in the video?

• To understand ice physics

• To compete in trivia

• To learn about penguins

• To practice mental math

Where can additional practice sheets be found according to the video?

• At the library

• In a textbook

• Online

• On the door