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Find the Passcode from Lockers Touched Exactly Twice

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A Square and a Cube · A Square and a Cube · 3:19

You'll learn: Find the Passcode from Lockers Touched Exactly Twice

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Find the Passcode from Lockers Touched Exactly Twice

3:19

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Find the Passcode from Lockers Touched Exactly Twice

You'll learn: Find the Passcode from Lockers Touched Exactly Twice

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A Square and a Cube

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Track Which Lockers Change State
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Track Which Lockers Change State
You'll learn: Track Which Lockers Change State
Why Square-Numbered Lockers Stay Open
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Why Square-Numbered Lockers Stay Open
You'll learn: Why Square-Numbered Lockers Stay Open
Why Squaring Counts a Square’s Area
3:16
Why Squaring Counts a Square’s Area
You'll learn: Why Squaring Counts a Square’s Area
Build a Table of the First Thirty Squares
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Build a Table of the First Thirty Squares
You'll learn: Build a Table of the First Thirty Squares
What a Square’s Last Digit Can Tell You
3:43
What a Square’s Last Digit Can Tell You
You'll learn: What a Square’s Last Digit Can Tell You
Trailing Zeroes and Parity of Perfect Squares
3:29
Trailing Zeroes and Parity of Perfect Squares
You'll learn: Trailing Zeroes and Parity of Perfect Squares
Odd L-Shaped Borders Build Every Square
3:14
Odd L-Shaped Borders Build Every Square
You'll learn: Odd L-Shaped Borders Build Every Square
Test a Square by Subtracting Successive Odd Numbers
3:36
Test a Square by Subtracting Successive Odd Numbers
You'll learn: Test a Square by Subtracting Successive Odd Numbers
Find the Next Square Without Multiplying Again
3:25
Find the Next Square Without Multiplying Again
You'll learn: Find the Next Square Without Multiplying Again
How Many Integers Lie Between Consecutive Squares?
3:36
How Many Integers Lie Between Consecutive Squares?
You'll learn: How Many Integers Lie Between Consecutive Squares?
Count Squares in Blocks of One Hundred
4:00
Count Squares in Blocks of One Hundred
You'll learn: Count Squares in Blocks of One Hundred
Two Neighbouring Triangular Totals Make a Square
3:17
Two Neighbouring Triangular Totals Make a Square
You'll learn: Two Neighbouring Triangular Totals Make a Square
Square Roots: Side Length and Positive Root Notation
3:30
Square Roots: Side Length and Positive Root Notation
You'll learn: Square Roots: Side Length and Positive Root Notation
Prime-Factor Pairs Reveal a Perfect Square
3:33
Prime-Factor Pairs Reveal a Perfect Square
You'll learn: Prime-Factor Pairs Reveal a Perfect Square
Narrow Down the Root of a Large Perfect Square
3:37
Narrow Down the Root of a Large Perfect Square
You'll learn: Narrow Down the Root of a Large Perfect Square