Khan Academy
Khan Academy: Intro to Multiplying Decimals
Demonstrates how to multiply decimal numbers using the example of 9 x 0.6. [3:50]
Math Antics
Math Antics: Decimal Arithmetic
Gain a basic understanding of decimal arithmetic by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [12:14]
Math Antics
Math Antics: Multi Digit Multiplication Part 2
This video provides students guidance on how to multiply multi-digit numbers. [8:24]
Math Antics
Math Antics: Multi Digit Multiplication Part 1
This video introduces the concept of multi-digit multiplication. [6:04]
Khan Academy
Khan Academy: Dividing by 2 Digits
Learn to divide a 2-digit number into a larger number.
Khan Academy
Khan Academy: Subtracting Decimals: 9.57 8.09
Sal subtracts 9.57-8.09 using 'standard algorithm'.
Khan Academy
Khan Academy: Subtracting Decimals: 10.1 3.93
Sal subtracts 10.1-3.93 using 'standard algorithm'.
Khan Academy
Khan Academy: Estimating Multi Digit Multiplication
Estimate to find reasonable solutions to multi-digit multiplication problems.
Khan Academy
Khan Academy: Estimating Multi Digit Division
Estimate to find reasonable solutions to multi-digit division problems.
Khan Academy
Khan Academy: Relate Multiplication With Area Models to the Standard Algorithm
Use multiplication with area models to understand how the standard algorithm for multiplication works.
Khan Academy
Khan Academy: Multiplying Multi Digit Numbers
Sal shows lots of examples for how to multiply 2- and 3-digit numbers using 'standard algorithm'.
Khan Academy
Khan Academy: Introduction to Dividing by 2 Digits
Sal uses estimation to introduce dividing by 2-digit numbers.
PBS
Pbs: Building Deeper Understanding of Decimal Numbers
Steve Hinds demonstrates how a brief discussion of money and decimals can help students to shed common misconceptions about decimal place value.
Khan Academy
Khan Academy: Estimating Decimal Multiplication
Estimate to find reasonable solutions to multiplication division problems.
Khan Academy
Khan Academy: Adding Decimals: 0.822 + 5.65
Demonstrates how to add the decimal numbers 0.822 + 5.65 using the standard addition algorithm. [1:46]
Khan Academy
Khan Academy: Subtracting Decimals: 9.57 8.09
Demonstrates how to use the standard algorithm to subtract decimal numbers in the example of 9.57 - 8.09. [1:11]
Khan Academy
Khan Academy: Subtracting Decimals: 10.1 3.93
Demonstrates how to use the standard algorithm to subtract decimal numbers in the example of 10.1 - 3.93. [1:53]