Corbett Maths
Rounding to 1 or 2 Decimal Places
What's one or two fewer decimal places? Pupils go over how to round decimals by watching a short video. They first look at rounding to one decimal place, then rounding to two decimal places.
Corbett Maths
Rounding to the Nearest 100
When rounded up, the resource deserves a score of 100. Viewers of a short video learn how to round numbers to the nearest 100. After reviewing the concept, they first look at examples with whole numbers, then continue on to examples with...
Corbett Maths
Rounding to the Nearest 10
Sometimes the ones place isn't that important. By watching a short video, learners review how to round numbers to the nearest 10. They first look at rounding whole numbers, both with and without a number line, then move on to rounding...
Corbett Maths
Rounding to the Nearest Whole Number
Whole numbers are just so much easier to work with. Scholars watch a short video that reviews how to round decimals to the nearest whole number. They first consider numbers on a number line, then round decimals by looking at the digit in...
Corbett Maths
Lower and Upper Bounds
Teach young mathematicians to keep an eye on boundaries! Young scholars use a video lesson to explore the possible values of numbers rounded to varying place values. The instructor provides an explanation to several contextual...
Krista King Math
Rounding Decimals
Demonstrate the concept of rounding decimals through video instruction. The instructor shows examples of rounding to both the tenths and hundredths places.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Rounding Decimals
This video demonstrates how to round a decimal number to the nearest tenth. Practice problems are available. [1:26]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Decimal Place Value 2
This video shows how to write a decimal in word form, using place value concepts. Practice problems are available. [3:31]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Decimal Place Value
This video explains place value in decimal numbers. Practice problems are available. [4:00]
CK-12 Foundation
Ck 12: Elem Math: Overview of Rounding Decimal Numbers
[Free Registration/Login may be required to access all resource tools.] The video explains using money how to round decimals to the nearest whole number rounding up and rounding down.
Math Mammoth
Math Mammoth: Decimal Place Value and Adding Decimals, Up to 2 Decimal Digits
Discusses decimal place value and looks at a misconception students may have about decimal addition and how to clear it up. [8:00]
Math Mammoth
Math Mammoth: Decimal Place Value: Thousandths
A lesson in decimal place value to the thousandths place. Students are also shown how to write them as fractions or the reverse. [8:15]
Math Mammoth
Math Mammoth: Add and Subtract Decimals Mentally (With Up to 3 Decimal Digits)
A lesson in how to add and subtract decimals to the thousandths place using mental math. [10:40]
Math Mammoth
Math Mammoth: Multiplying Decimals by Decimals: The Shortcut
Demonstrates a shortcut strategy for multiplying decimals by decimals. [6:45]
Khan Academy
Khan Academy: Multiplying Challenging Decimals
Demonstrates how to multiply decimals to the thousandths place using the example of 1.21 x 0.043. [4:25]
Math Playground
Math Playground: How Do You Round Numbers?
This video illustrates how to round numbers to the nearest place value.
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]
Khan Academy
Khan Academy: Decimal Place Value
Video lecture offers an introduction to decimal place values and the value of decimal digits. [3:59]
CK-12 Foundation
Ck 12: Elem Math: Overview Hundredths
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on decimal place value to the hundredths.
CK-12 Foundation
Ck 12: Elem Math: Overview Thousandths
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on decimal place value to the thousandths.
Math TV
Math tv.com: Basic Mathematics: Decimals: Addition and Subtraction
Math students offer step-by-step solutions to problems involving decimal addition and subtraction. In the left hand menu, click on Basic Mathematics, Decimals, Addition and Subtraction.
Imagine Learning Classroom
Learn Zillion: Estimate the Addition and Subtraction of Decimals
In this lesson, you will learn how to estimate the addition and subtraction of decimals by using smart rounding. [4:23]
Khan Academy
Khan Academy: Adding Decimals With Hundredths
Sal uses an understanding of place value to add decimals, such as 0.68+0.33. [6:56]