Instructional Video7:10
Krista King Math

Rounding Decimals

For Students 3rd - 7th Standards
Demonstrate the concept of rounding decimals through video instruction. The instructor shows examples of rounding to both the tenths and hundredths places.
Instructional Video5:42
Corbett Maths

Rounding to the Nearest 10

For Students 4th - 12th Standards
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...
Instructional Video2:48
Corbett Maths

Rounding to the Nearest Whole Number

For Students 5th - 12th Standards
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...
Instructional Video4:32
Corbett Maths

Rounding to the Nearest 100

For Students 4th - 12th Standards
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...
Instructional Video7:12
Corbett Maths

Rounding to 1 or 2 Decimal Places

For Students 5th - 12th Standards
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.
Instructional Video3:01
Curated OER

Estimation with Decimals

For Students 5th - 6th
Estimation is a good way to build and assess a student's number sense. Watch as Sal uses estimation to solve a problem where he must determine how much 'Janelle' ran during a 4-day period. He calculates the exact amount and compares the...
Instructional Video3:10
Curated OER

Estimating Surface Area

For Teachers 5th - 8th
Kids might enjoy this dramatic presentation on estimating surface area. The fake Transylvanian accent is a bit distracting but the problem solving practices are sound. Dr. Crazy Pants rounds his decimal measurements then multiplies...
Instructional Video3:18
Curated OER

How Do You Add Decimals?

For Teachers 4th - 6th
Need a review for adding decimals? Make sure to line up the decimals, write in zeros for placeholders, add the numbers, and bring down the decimal. There you have it.
Instructional Video1:58
Curated OER

How Do You Add Decimals?

For Teachers 6th - 12th
Need a review for adding decimals? Make sure to line up the decimals, write in zeros for placeholders, add the numbers, bring down the decimal. There you have it.
Instructional Video4:28
Curated OER

How Do You Round a Decimal to a Given Place Value?

For Teachers 3rd - 8th
Rounding numbers is an essential skill to have for all math classes. Sometimes those decimal numbers are just too big, and sometimes an answer should only be given out to the hundredths (like money). So watch this video to see the rules...
Assessment4:42
Mathed Up!

Using a Calculator

For Students 8th - 11th
Here's a video that presents several numerical expressions to be evaluated using a calculator.Viewers come to realize that sometimes it is not just a matter of punching in the numbers, but they also need to be concerned about how...
Instructional Video6:47
Curated OER

What is Place Value?

For Teachers 3rd - 6th
The teacher names and explains place value. She starts at the ones and moving left of the decimal goes to a million. Then moving right of the decimal she names and explains tenths to thousandths.
Instructional Video7:22
Virtual Nerd

What is Place Value?

For Teachers 4th - 6th Standards
The teacher names and explains place value. She starts at the ones, and moving left of the decimal, goes to a million. Then moving to the right of the decimal she names and explains tenths to thousandths. This is a terrific video to use...
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Rounding Decimals

For Students 4th - 6th Standards
This video demonstrates how to round a decimal number to the nearest tenth. Practice problems are available. [1:26]
Instructional Video
Math Mammoth

Math Mammoth: Rounding Decimals

For Students 4th - 5th Standards
Models how to round decimals. [9:15]
Instructional Video
CK-12 Foundation

Ck 12: Elem Math: Overview of Rounding Decimal Numbers

For Students 2nd - 5th Standards
[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.
Instructional Video
Khan Academy

Khan Academy: Arithmetic and Pre Algebra: Estimation With Decimals

For Students 5th - 8th
This video shows how to estimate decimal addition in the context of a word problem. Practice problems are available. [3:01]
Instructional Video
Other

Mario's Math Tutoring: Rounding Numbers and Decimals

For Students 6th - 8th
In this video, learn how to round numbers by viewing several examples involving both whole numbers as well as decimals. Names of each numerical place are reviewed as well as knowing when to round up or round down. [5:51]

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