Calculating Tips Using Mental Math

Calculating Tips Using Mental Math

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial teaches viewers how to calculate tips quickly and efficiently in their heads without relying on smartphone apps. It covers methods for calculating 10%, 20%, and 15% tips by rounding the bill to the nearest dollar and using simple mental math techniques. The tutorial concludes by inviting viewers to watch another video for additional math tricks.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common tool people use to calculate tips at restaurants?

A cash register

A smartphone calculator

A paper and pen

A mental math technique

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main benefit of the mental math technique introduced in the video?

It requires no prior math knowledge

It is more accurate than a calculator

It is a fun party trick

It is faster than using a calculator

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the video suggest rounding up the bill to the nearest whole dollar?

To make calculations easier

To save money

To impress friends

To follow restaurant etiquette

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate a 10% tip using the mental math technique?

Move the decimal point one place to the left

Add 5% to the bill

Subtract 10% from the bill

Double the bill amount

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after calculating a 10% tip to find a 20% tip?

Subtract 5% from the 10% tip

Double the 10% tip

Add 5% to the 10% tip

Triple the 10% tip

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate a 15% tip using the mental math technique?

Subtract 5% from the 20% tip

Add 5% to the 10% tip

Add half of the 10% tip to the original 10% tip

Triple the 10% tip

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the video’s conclusion?

To offer a discount code

To provide a detailed example

To summarize the entire video

To invite viewers to watch another video