Lesson: Rounding to the Nearest Ten Elementary School • Mathematics • 3rd GradeMathematics
In this lesson, we will learn how to round whole numbers within 1000 to the nearest ten by identifying the tens numbers it is between on a number line.
Sample Question Videos
To round 3-digit numbers to the nearest ten, use a number line.
Think about the number 437.
Which two multiples of 10 is 437 between?
Hint: We use the digit in the tens place to guide us.
What is 437 rounded to the nearest 10?
Hint: Think about which side of the midpoint 437 will be on.
Olivia read a book of 213 pages. How many pages did she read, rounded to the nearest ten?
Jacob spent $127 and Jennifer spent $125.
Round the amount Jacob spent to the nearest ten.
Round the amount Jennifer spent to the nearest ten.
Compare both rounded amounts. Which rounded amount is higher?