Multiplying Decimals Teacher Resources
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Multiplying And Dividing with Significant Figures
10 mins 7th - 9th
Sal takes out the big guns - or in this case, big calculator - in this video, which carries the concept of significant figures even further. Sal shows how to multiply and divide significant figures using both electronic and handwritten...
Multiplying and Dividing Decimals by 10. 100, and 1,000
4th - 5th
Multiplying decimals by 10s, 100s, and 1,000s is easy once a student knows how to manipulate the decimal point. This short presentation covers this exact topic and does a good job of helping to show learners how easy it is to manage the...
Compare the Outcomes of Fraction Multiplication with the Outcomes of Decimal Multiplication
5 mins 5th - 8th CCSS: Designed
Are fractions and decimals the same? Show your learners that the products of similar fractions and decimals are in fact the same. The video reviews common fraction decimal equivalents and how to multiply. The narrator demonstrates how to...
Repeating Decimal as Approximation
6th - 9th CCSS: Designed
You are used to teaching repeating decimals with bar notation that keeps us from writing that number over and over again; now teach what the over and over again represents. This activity allows your mathematicians to explore the infinite...
Converting Decimal Representations of Rational Numbers to Fraction Representations
7th - 9th CCSS: Designed
A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of such...
Solve Linear Equations with Rational Numbers Using Decimal Form
4 mins 7th - 9th CCSS: Designed
After mastering the art of solving for x, introduce decimals in the same type of problem. Learners watch that when coefficients are decimals, they still follow the same inverse operations rules as non-decimal numbers.