Virtual Nerd
Virtual Nerd: How Do You Round a Decimal to a Given Place Value?
Find out how to round a decimal to a given place value. [4:28]
Virtual Nerd
Virtual Nerd: How Do You Estimate a Multiplication Problem by Rounding?
This tutorial demonstrates how to estimate the answer to a word problem by multiplying mentally. [3:27]
Imagine Learning Classroom
Learn Zillion: Find Benchmark Numbers Using a Number Line
In this lesson, you will learn how to create a number line by using benchmark numbers. [4:33]
Imagine Learning Classroom
Learn Zillion: Round to the Nearest Ten or Hundred in Real World Situations
In this lesson, you will learn how to round to the nearest 10 or 100 in real world situations. [5:48] CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Imagine Learning Classroom
Learn Zillion: Check Your Answer to a Subtraction Problem: Using Rounding (1)
This is the first of two lessons in which you will learn how to check your answer to a subtraction problem by using rounding. This lesson deals with subtraction problems involving numbers with the same number of digits. [4:20]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to an Addition Problem: Using Rounding (2)
This is the second of two lessons in which you will learn how to check your answer to an addition problem by using rounding. This lesson deals with addition problems involving numbers with different numbers of digits. [4:13]
Imagine Learning Classroom
Learn Zillion: Check Your Answer to a Multiplication Problem: Using Rounding (1)
This is 1 of 2 lessons in which you will learn how to check your answer to a multiplication problem by using rounding. This lesson deals with multiplication problems involving single-digit products. [4:11]
Imagine Learning Classroom
Learn Zillion: Video: Round to the Nearest Hundred Using Base Ten Blocks
In this lesson, you will learn how to round to the nearest 100 by using base ten blocks. [4:19] CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Imagine Learning Classroom
Learn Zillion: Lesson Video for 'Round to the Nearest Ten Using a Number Line'
In this lesson, you will learn how to round to the nearest 10 by using a number line. [4:46] CCSS.Math.Content.3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100.
Mucho Math
Algebra2go: Rounding Numbers Using a Number Line
The concept of rounding numbers is first demonstrated using a number line. Secondly, the rounding rules are defined.
Khan Academy
Khan Academy: Rounding Whole Numbers: Rounding Whole Numbers 2
This video demonstrates rounding a 6-digit number to the nearest thousand.
Loyola University Chicago
Math Flix: Rounding
This QuickTime movie provides a lesson on rounding whole numbers. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Khan Academy
Khan Academy: Round to the Nearest 100
Explains how to round three-digit numbers to the nearest hundred using a number line. [4:55]
Khan Academy
Khan Academy: Rounding to the Nearest 10
Explains how to round two-digit numbers to the nearest ten using a number line. [6:21]
Khan Academy
Khan Academy: Round to the Nearest 10 and 100
Demonstrates how to round numbers up to four digits long to the tens and hundreds places. [6:17]
Khan Academy
Khan Academy: Rounding Whole Numbers to the Nearest Hundred
The video walks through an example of rounding 24,259 to the nearest hundred. Links to other lessons are provided.
Math Antics
Math Antics: Rounding
Gain a basic understanding of rounding by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [10:41]
Khan Academy
Khan Academy: Estimating When Subtracting Large Numbers
Use estimation to find reasonable solutions to 2- and 3-digit subtraction problems.
Khan Academy
Khan Academy: Estimating When Adding Multi Digit Numbers
Use estimation to find reasonable solutions to 2- and 3-digit addition problems.
Khan Academy
Khan Academy: Rounding to Nearest 10 and 100
Learn to round up to 4-digit numbers to the nearest ten and hundred.
PBS
Pbs: Odd Squad: Gino Disappears
Learn about rounding with the Odd Squad. A round table at the Confalones' restaurant is adding and subtracting whatever is placed on top of it. When Gino Confalone touches the table, he disappears! Olive and Otto visit the Mathroom to...
PBS
Pbs: Odd Squad: Meatball Mountain
Otto shows the Confalones how to round numbers up or down using spaghetti and meatballs.
Sophia Learning
Sophia: Estimating: Lesson 5
In this lesson, students will learn what an estimation is and how they can estimate with numbers. It is 5 of 5 in the series titled "Estimating."
Sophia Learning
Sophia: Estimating Area: Lesson 8
The fact that you can estimate the area of an object by rounding each of the relevant dimensions to the nearest number will be discussed in this lesson. It is 8 of 8 in the series titled "Estimating Area."