Lesson: Estimating the Product of Two Decimals
In this lesson, we will learn how to use rounding and compatible numbers to estimate the product of two decimal numbers.
Sample Question Videos
Worksheet: 5 Questions • 2 Videos
Engy wants to buy a pair of jeans that cost $49.99. The sign on the display says that the jeans are off. Which expression can be used to estimate the discount?
Which of the following is closest to the result of after rounding one of the two numbers to 10, 100, or 1,000?
The average person blinks about 900 times an hour.
By rounding the number of hours in a day to the nearest ten, estimate how many times a person blinks in a day.
Is this estimate more or less than the actual number of times a person blinks in a day?