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Mental methods - decimals

Extend existing mental calculation methods to include decimals

3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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3:06
Grade 1–3 Core 🇨🇦 Canada

Dividing Decimals by 10, 100 and 1000

Let's Do Math 536K views

Shows the mental shortcut for dividing decimals by 10, 100 and 1000.

18:47
Grade 2–5 Core 🇺🇸 US

Multiplying Decimals and Dividing Decimals - The Easy Way!

The Organic Chemistry Tutor 749K views

Multiply and divide decimals in your head by tracking decimal-place counts.

12:15
Grade 1–4 Core 🇺🇸 US

Math Antics - Decimal Arithmetic

mathantics 6.5M views

Clear walk-through of adding, subtracting, multiplying and dividing decimals using place value.