This is a collection of free video lessons on all topics of decimal arithmetic by Maria Miller. The coverage is on about 5th-6th grade level. Please choose a topic from the list below.
Decimal place value and adding decimals, up to 2 decimal digits
Decimal place value (to thousandths) (5th grade)
Fractions to decimals, and comparing decimals — up to 3 decimal digits (thousandths) (5th grade)
Decimal place value: millionths (6th grade)
Comparing decimals (6th grade)
Add & subtract decimals using mental math
Add & subtract decimals (up to 6 decimal places)
Multiplying decimals and whole numbers: scaling
Multiplying decimals by decimals: the shortcut
Long division with decimals, plus fractions to decimals
Divide decimals with mental math, part 1: sharing divisions (whole-number divisor)
Divide decimals with mental math, part 2: divisor is a decimal
Multiply and divide decimals by powers of ten
Decimal division: problem solving
Decimals in measuring units — introduction
Basics of the metric system and the prefixes
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