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Multiplying: 3 digits times 1 digit | Multiplication and division | Arithmetic | Khan Academy
By Khan Academy
How about this example? We're going to multiply a 3 digit number by a 1 digit number. Again, no carrying involved.
Multiplying: using an area model | Multiplication and division | Arithmetic | Khan Academy
By Khan Academy
Using graph paper we'll map out an area model to help us with a multiplication problem.
More ways to think about multiplying | Multiplication and division | 4th grade | Khan Academy
By Khan Academy
When multiplying, it can be helpful to break numbers into parts.
Multiplying and dividing with significant figures | Decimals | Pre-Algebra | Khan Academy
By Khan Academy
This video takes us through some real world examples of when we should use significant figures when multiplying and dividing. An important note: never consider significant figures until you have reached your FINAL ANSWER. Otherwise, rounding too early will produce more uncertainty about your solution.
The Multiplying Multiplication Song
By hjpkay
3:01 video showing the basic multiplication facts through 5 using farm/garden items.
More involved multiplying decimals example
By Khan Academy
Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them.
Multiplying Decimals - On a Place Value Chart (5.NBT.B.7)
By Worksheets and Walkthroughs
This video walkthrough lesson with corresponding worksheets investigates what happens on a place value chart as we multiply a decimal by a single digit number in a story problem format. Place value disks are used to represent values on a place value chart.
Multiplying decimals 3
By Khan Academy
Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them.