Free video lessons for decimal arithmetic (grades 5-6)

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

Divide decimals by decimals

Multiply and divide decimals by powers of ten

Decimal division: problem solving

Problem solving with decimals

Decimals in measuring units — introduction

Basics of the metric system and the prefixes

Back to the videos index