Maths Mark

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If you are finding some of your maths difficult to understand then you have definitely come to the right place. Since 2013 I’ve been uploading videos on a va...

Latest Videos

Density. How To Find The Density Of A Solid Cube Given The Mass And Side Length.

Write 72 As A Product Of Prime Factors In Index Form (Power Form).

HCF and LCM Of A And B By Drawing A Venn Diagram.

How To Find The Highest Common Factor HCF Of A and B (From The Product Of Prime Factors).

dydx of e - How To Differentiate Exponential Functions

dydx of sinx - Differentiating Functions Of Sine

Prove That 2 Is A Prime Number

How To Differentiate Functions Of Cosine (cos)

Prove That 1 Is Not A Prime Number.

Worker Maths Problem On Inverse Proportion (Builder, Painter Problem).

How To Divide By One Quarter (0.25) Example 12 divided by 0.25

Price Per Metre. Finding the unit cost per metre of a length of ribbon, tape or cable.

Multiply By 0.25 Maths Hack. How to multiply by 0.25 or a quarter.

Tap Maths Problem. How Long Will It Take Some Taps To Fill A Pool (Inverse Proportion)

Divide By 0.5. A Quick Method To Divide Any Number By A Half Without A Calculator.

Cost Per Ounce. How To Work Out The Cost Of 1 Ounce Of Gold Or Silver Examples.

Standard Form. How To Convert Large And Small Numbers Into Standard Form. 4K Edit.

Estimation. How To Estimate The Area Of A Circle.

Sine Rule. How To Find A Missing Angle Using Sine Rule In A Non Right Angled Triangle.

Squaring Mixed Numbers. How To Work Out The Square Of A Mixed Number.

Sine Rule. Working Out A Side In A Non Right Angled Triangle (Advanced Trigonometry).

Random Number Key On the New Casio fx83GT CW scientific calculator (random integer button).

How to set the new Casio fx83GT CW scientific calculator to give decimal answers first!

How To Get The Lid Off The New Casio fx83GT CW scientific calculator (How to open!)

Calculator Reset On The New Casio fx-83GT CW Scientific Calculator (factory settings).

How To Work Out LCM On The New Casio fx-83GT CW Scientific Calculator (Lowest Common Multiple Key).

How To Work Out The HCF On The New Casio fx-83GT CW Scientific Calculator (HCF GCD Key Button)

Product Of Prime Factors Key On The New Casio fx-83GT CW Scientific Calculator (Prime Factor Button)

How To Get A Decimal Answer On The New Casio fx-83GT CW Scientific Calculator!

How To Use The Percent Key On The New Casio fx-83GT CW Scientific Calculator (The Percent Button).