Estimating

The video tutorial by Mr. Added focuses on the concept of estimation in mathematics. It begins with an introduction to estimation using a time example, followed by a practical example of estimating costs while shopping. The tutorial then explores estimation in division problems, providing multiple examples to illustrate the concept. The video concludes by emphasizing the usefulness of estimation in various situations, such as dividing groups for auditions. Overall, the tutorial highlights how estimation simplifies complex calculations and aids in problem-solving.

What was the estimated travel time from Mr. Added's house to his classroom?

• 25 minutes

• 30 minutes

• 28 minutes

• 35 minutes

How much did Mr. Added estimate each pair of socks to cost for easier calculation?

• $3.50

• $3.00

• $2.89

• $2.50

If you round 58 to the nearest ten, what number do you get for easier division?

• 50

• 55

• 60

• 65

How many golf balls does each person get when 123 balls are divided among 4 people using estimation?

• 30

• 25

• 35

• 40

What is the estimated number of kids in each audition group if the auditorium holds 157 kids?

• 45

• 50

• 40

• 35

What is the purpose of rounding numbers in estimation?

• To decrease accuracy

• To make calculations more complex

• To simplify calculations

• To increase accuracy

Which of the following is NOT a situation where estimation can be useful?

• Estimating travel time

• Telling time

• Calculating exact change

• Dividing groups