TED-Ed
How High Can You Count on Your Fingers?
Is it a coincidence that fingers are called digits? Did you know that one finger can represent one digit or even six parts? Watch a somewhat confusing video that explains the possibilities of counting to numbers higher than 10 on...
Curated OER
What is a Repeating Decimal?
Pi is not a repeating decimal, although it goes on and on and on forever after the decimal. Why? Because nothing repeats. So what is a repeating decimal? How is a repeating decimal written? Can a fraction be a repeating decimal? Want to...
Curated OER
What is Place Value?
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.
Curated OER
Subtracting Single and Double Digit Numbers
A quick step-by-step instruction on how to subtract single and double digit numbers is shown in this video. Note: There is no audio, and viewers may want to pause at certain points to take notes.
Virtual Nerd
What is Place Value for Whole Numbers?
Whole numbers are the natural numbers including zero. The instructor illustrates and explains place value. She draws a place value chart and then defines each term and what the numbers mean. She writes a number in standard form and then...
Curated OER
How Do You Find the Value of a Digit in a Whole Number?
The instructor illustrates place value by first drawing a place value chart. Then she inserts the numbers in question so she can find the value of certain digits. I think her chart really helps visually.
Virtual Nerd
What is Place Value?
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...
Curated OER
How Do You Round Numbers?
Review the concept of rounding numbers in the millions. Using the example 2,561,190, the narrator rounds numbers to the nearest million, hundred thousand, ten thousand, thousand, hundred and ten. This is a terrific way to reinforce...
Curated OER
What is Place Value for Whole Numbers?
Whole numbers are the natural numbers including zero. The instructor illustrates and explains place value. She draws a place value chart and then defines each term and what the numbers mean. She writes a number in standard form and then...
Curated OER
How Do You Find the Value of a Digit in a Whole Number?
The instructor illustrates place value by first drawing a place value chart. Then she inserts the numbers in question so she can find the value of certain digits. I think her chart really helps visually.