Estimation and Rounding in Mathematics

This video tutorial covers estimation techniques for multiplication and division. It begins with an introduction to estimation, followed by examples of estimating the product of 37 and 72, and the division of 1792 by 28. The tutorial progresses to more complex examples, including estimating the product of 482 and 734, and the division of large numbers. The video includes practice questions for viewers to apply their estimation skills. It concludes with a summary and directs viewers to additional resources on mathswithmom.com.

What is the estimated result of rounding 37 to 40 and 72 to 70, then multiplying?

• 2,800

• 2,600

• 2,900

• 2,700

Which of the following is the closest estimate to 37 times 72?

• 1,473

• 2,664

• 2,034

• 2,800

When rounding 1792 to the nearest thousand and 28 to the nearest ten, what is the estimated division result?

• 60

• 70

• 90

• 80

What is the closest estimate to 1792 divided by 28 after rounding?

• 60

• 64

• 66

• 62

If you round 482 to 500 and 734 to 700, what is the estimated product?

• 350,000

• 340,000

• 370,000

• 360,000

What is the closest estimate to 482 times 734 after rounding?

• 353,788

• 350,000

• 355,000

• 360,000

Rounding 164,592 to 160,000 and 432 to 400, what is the estimated division result?

• 430

• 420

• 410

• 400

What is the closest estimate to 164,592 divided by 432 after rounding?

• 381

• 370

• 390

• 400

Rounding 48 to 50 and 31 to 30, what is the estimated product?

• 1,700

• 1,600

• 1,400

• 1,500

What is the closest estimate to 48 times 31 after rounding?

• 1,488

• 1,520

• 1,510

• 1,500