What is Estimation?

The video tutorial covers the concept of estimation, explaining how it is used to approximate values when exact answers are not necessary. It provides examples such as estimating grocery costs by rounding and using estimation to verify calculations, like checking a restaurant bill. The video also includes practice questions to reinforce learning.

What is the primary purpose of estimation?

• To confuse the actual value

• To approximately calculate a value close to the accurate one

• To avoid making any calculations

• To find the exact value of something

When shopping, how can estimation be useful?

• By rounding each item's price to the nearest 10

• By guessing without any method

• By ignoring the prices

• By calculating the exact total

How can you estimate the number of sweets in a jar?

• By counting the sweets at the base and along the height, then multiplying

• By weighing the jar

• By asking someone else

• By guessing randomly

What symbol is used to indicate an estimated calculation?

• Less than sign

• Approximately equal sign

• Greater than sign

• Equals sign

How can estimation help in checking a restaurant bill?

• By asking for a discount

• By accepting the bill as it is

• By ignoring the bill

• By estimating the total cost through rounding and comparing it to the bill