Multiplying Decimals Explained: A Step-By-Step Review | Understanding Decimal Multiplication
From Math with Mr. J
5 min5th6thMath
Summary
How to multiply and divide decimals -- multiplying as usual then placing the decimal point, or moving the point to divide. Mr. J counts decimal places carefully.
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Teaching resources
Discussion questions
When multiplying decimals, count the total decimal places to place the point in the answer.
- How do you know where the decimal point goes in a product?
- How does dividing by a decimal change the problem?
- Why is estimating a good check?
Quick work-a-long
Words to know: decimal places, product, quotient
- Solve 1.2 x 0.4.
- Solve 6.5 divided by 0.5.