Канал: Wortho's Math, Chemistry and Science Help

Optimisation using derivatives (example 2)

Optimisation using derivatives (example 2)

Area optimisation with differentiation

Area optimisation with differentiation

Greatest and Least Values for an interval (part 2)

Greatest and Least Values for an interval (part 2)

Greatest and Least Values on an interval (part 1)

Greatest and Least Values on an interval (part 1)

Problem Solving with Quadratics

Problem Solving with Quadratics

Excel Graphing a function

Excel Graphing a function

Dividing polynomials

Dividing polynomials

Find the equation from a graph - quadratic turning point form

Find the equation from a graph - quadratic turning point form

Finding the equation from a graph - quadratic intercept form

Finding the equation from a graph - quadratic intercept form

Plotting a Quadratic

Plotting a Quadratic

Using Casio Calculator for Scientific Notation

Using Casio Calculator for Scientific Notation

Finding Volume - Frustrum from a square based pyramid

Finding Volume - Frustrum from a square based pyramid

Percent Abundance Calculations for Isotopes

Percent Abundance Calculations for Isotopes

Differentiating for your class - Using OneNote

Differentiating for your class - Using OneNote

Reflecting on Classwork

Reflecting on Classwork

Using the product rule when differentiating

Using the product rule when differentiating

More Simplifying Surds

More Simplifying Surds

Simplifying Surds

Simplifying Surds

Rearranging an equation to y=mx+c

Rearranging an equation to y=mx+c

Finding gradient from a graph (that quiz)

Finding gradient from a graph (that quiz)

Finding gradient from a graph

Finding gradient from a graph

Finding gradient given two points

Finding gradient given two points

Expand and simplify with Surds

Expand and simplify with Surds

Equation of a line from point and gradient

Equation of a line from point and gradient

Equation of a line from a graph

Equation of a line from a graph

Fraction Addition and How to set out problems

Fraction Addition and How to set out problems

Finding variables of Equivalent Expressions

Finding variables of Equivalent Expressions

Expanded form with Index Notation (Video has no sound)

Expanded form with Index Notation (Video has no sound)

Expanding Double Brackets With Negatives

Expanding Double Brackets With Negatives

Factorising by Grouping with Negatives

Factorising by Grouping with Negatives

Factorising with Negatives

Factorising with Negatives

Finding the equation of a parabola from 3 points

Finding the equation of a parabola from 3 points

Area of Non-Right Angled Triangles

Area of Non-Right Angled Triangles

Using the Cosine Rule

Using the Cosine Rule

Using the Sine Rule

Using the Sine Rule

Transformations of Functions - Translation

Transformations of Functions - Translation

Transformations of Functions - Reflection

Transformations of Functions - Reflection

Transformations of Functions - Dilation

Transformations of Functions - Dilation

Function Notation in Action - how to use it...

Function Notation in Action - how to use it...

Function notation

Function notation

Domain and Range in Math

Domain and Range in Math

Converting between Compass and True Bearings

Converting between Compass and True Bearings

True bearings - How to draw them in math.

True bearings - How to draw them in math.

Compass Bearings - How to draw them in math.

Compass Bearings - How to draw them in math.

Subtraction - how to set out subtraction problems

Subtraction - how to set out subtraction problems

Addition - how to set out our addition problems

Addition - how to set out our addition problems

Division - Setting out long division

Division - Setting out long division

Multiplication - Setting Out

Multiplication - Setting Out

Linear Modelling - Word Problem 2

Linear Modelling - Word Problem 2

Linear Modelling - Word Problem 1

Linear Modelling - Word Problem 1

Prim's Algorithm - Minimal Spanning Tree Network 2

Prim's Algorithm - Minimal Spanning Tree Network 2

Prim's Algorithm - Minimal Spanning Tree Network

Prim's Algorithm - Minimal Spanning Tree Network

Maximum Flow Network - by inspection and minimal cut 4

Maximum Flow Network - by inspection and minimal cut 4

Maximum Flow Network - by inspection and minimum cut

Maximum Flow Network - by inspection and minimum cut

Maximum Flow Network - by inspection and minimum cut 2

Maximum Flow Network - by inspection and minimum cut 2

Maximum Flow Network - by inspection and minimum cut 1

Maximum Flow Network - by inspection and minimum cut 1

Drawing activity networks - using Dummy Paths 3

Drawing activity networks - using Dummy Paths 3

Drawing an Activity Network - with Dummy Paths 2

Drawing an Activity Network - with Dummy Paths 2

Drawing an Activity Network - with Dummy Paths

Drawing an Activity Network - with Dummy Paths

Problem Solving with Compound interest

Problem Solving with Compound interest

Working out repayments using recurrence model

Working out repayments using recurrence model

Problem Solving with Compound Interest

Problem Solving with Compound Interest

Finding x and y intercepts

Finding x and y intercepts

Using Scientific Notation

Using Scientific Notation

Class Experiment: Acid Base Reaction

Class Experiment: Acid Base Reaction

How to draw a Bohr Diagram - easy version

How to draw a Bohr Diagram - easy version

Molar Heat of Combustion Example

Molar Heat of Combustion Example

Calculating Enthalpy Change for a chemical reaction

Calculating Enthalpy Change for a chemical reaction

Drawing and Naming Esters

Drawing and Naming Esters

Shorthand Method for Drawing Organic Molecules

Shorthand Method for Drawing Organic Molecules

Alkanoic Acids - made easy

Alkanoic Acids - made easy

First 10 Alcohols - Explained Simply

First 10 Alcohols - Explained Simply

The First 10 Alkanes - simply explained.

The First 10 Alkanes - simply explained.

How to make a line graph - Google Spreadsheet.

How to make a line graph - Google Spreadsheet.

Quick Summary - Element, Compound or Mixture

Quick Summary - Element, Compound or Mixture

What are Molecules?

What are Molecules?

Atoms, Compounds and Molecules - Which is which?

Atoms, Compounds and Molecules - Which is which?

Periodic Table Overview - Really Quick

Periodic Table Overview - Really Quick

Build an Atom - Phet Simulation Games

Build an Atom - Phet Simulation Games

How to Build an Atom - Phet Simulation

How to Build an Atom - Phet Simulation

Calculating Protons, Electrons and Neutrons from the Periodic Table

Calculating Protons, Electrons and Neutrons from the Periodic Table

Atoms, Molecules and Compounds Summary

Atoms, Molecules and Compounds Summary

Isotopes - Finding percentage abundances of isotopes

Isotopes - Finding percentage abundances of isotopes

Equation of a Line using the Two Means Method

Equation of a Line using the Two Means Method

Using a scientific calculator to get Pearson's Correlation Coefficient

Using a scientific calculator to get Pearson's Correlation Coefficient

Data Analysis for Regression on Excel

Data Analysis for Regression on Excel

Using Excel to find residuals and create a Residual Plot

Using Excel to find residuals and create a Residual Plot

Using Excel to find Pearson's Correlation Coefficient (without graphing)

Using Excel to find Pearson's Correlation Coefficient (without graphing)

Using Excel to find the Least-Squares Regression Line

Using Excel to find the Least-Squares Regression Line

Using Excel to make scatterplots

Using Excel to make scatterplots

Using Excel to find Pearson's Correlation Coefficient (by hand)

Using Excel to find Pearson's Correlation Coefficient (by hand)

Finding the Equation of a Line using the Abacus Calculator

Finding the Equation of a Line using the Abacus Calculator

Finding Standard Deviation with the Abacus Calculator

Finding Standard Deviation with the Abacus Calculator

Calculating Annuities

Calculating Annuities

Solving Simultaneous Equations by the Elimination Method

Solving Simultaneous Equations by the Elimination Method

Solving Simultaneous Equations using the Substitution Method

Solving Simultaneous Equations using the Substitution Method

Solving Simultaneous Equations by Elimination

Solving Simultaneous Equations by Elimination

Solving Simultaneous Equations by Substitution

Solving Simultaneous Equations by Substitution

Fixing Position by doubling the angle at the bow

Fixing Position by doubling the angle at the bow

An example problem using Foreign Exchange

An example problem using Foreign Exchange

Finding Principal in a Compound Interest Problem

Finding Principal in a Compound Interest Problem

Finding total Interest using Compound Interest Formula

Finding total Interest using Compound Interest Formula

Volume and Algebra: working backwards to find the unknown

Volume and Algebra: working backwards to find the unknown

Volume: Cubes, Rectangular and Triangular Prisms

Volume: Cubes, Rectangular and Triangular Prisms

Total Surface Area: Cubes

Total Surface Area: Cubes

Total Surface Area: Triangular Prisms

Total Surface Area: Triangular Prisms

Total Surface Area: Rectangular Prisms (3D)

Total Surface Area: Rectangular Prisms (3D)

Area: Composite Shapes

Area: Composite Shapes

Microsoft Forms: A quick tutorial

Microsoft Forms: A quick tutorial

2018 Motivational Video

2018 Motivational Video

E Tax Assignment Hand Written A Level

E Tax Assignment Hand Written A Level

E-Tax - Assignment Computer Part

E-Tax - Assignment Computer Part

How to find percent yield?

How to find percent yield?

Balancing by Oxidation Numbers Example

Balancing by Oxidation Numbers Example

Balancing Redox Reactions

Balancing Redox Reactions

Titration Curve Practical

Titration Curve Practical

e-Tax Assignment for Jason Todd

e-Tax Assignment for Jason Todd

Tax Return for Jason Todd - 11 Math A

Tax Return for Jason Todd - 11 Math A

Finding Rules for Function Tables (Linear)

Finding Rules for Function Tables (Linear)

Function Tables

Function Tables

Solving Word Problems with Equations

Solving Word Problems with Equations

Solving a Four Step Equation (three ways + Stealth)

Solving a Four Step Equation (three ways + Stealth)

Solving One-Step Equations with division (three styles)

Solving One-Step Equations with division (three styles)

Solving One Step Equations (Addition and Subtraction - Three Styles)

Solving One Step Equations (Addition and Subtraction - Three Styles)

Solving One Step Multiplication Equations (Three Ways)

Solving One Step Multiplication Equations (Three Ways)

Combining Like Terms (more complicated)

Combining Like Terms (more complicated)

Combining Like Terms (more than one variable)

Combining Like Terms (more than one variable)

Combining Like Terms

Combining Like Terms

Expanding Brackets (with variables on the outside)

Expanding Brackets (with variables on the outside)

Expanding Single Brackets (with simplifying)

Expanding Single Brackets (with simplifying)

Expanding Single Brackets (with negatives)

Expanding Single Brackets (with negatives)

Expanding Single Brackets (2)

Expanding Single Brackets (2)

How to expand single brackets!

How to expand single brackets!

$Subtracting Algebraic fractions$

Subtracting Algebraic fractions

$Simplifying fractions$

Simplifying fractions

How to calculate Real Estate Commission

How to calculate Real Estate Commission

Finding charges from a chemical formula

Finding charges from a chemical formula

Reactivity Series of Metals

Reactivity Series of Metals

How to name chemical compounds.

How to name chemical compounds.

A very quick guide to TurnItIn

A very quick guide to TurnItIn

Writing formula for Ionic Compounds

Writing formula for Ionic Compounds

Vertical Angle Fix (Nautical Map Navigation)

Vertical Angle Fix (Nautical Map Navigation)

Cross Fix (Nautical Map Navigation)

Cross Fix (Nautical Map Navigation)

Transit Fix (Nautical Map Navigation)

Transit Fix (Nautical Map Navigation)

Marking Distance (Nautical Map Navigation)

Marking Distance (Nautical Map Navigation)

Compass Rose 2 (Nautical Map Navigation)

Compass Rose 2 (Nautical Map Navigation)

Using a compass rose (Nautical Map Navigation)

Using a compass rose (Nautical Map Navigation)

Finding Distance (Nautical Map Navigation)

Finding Distance (Nautical Map Navigation)

Training Course

Training Course

Memrise

Memrise

Edpuzzle

Edpuzzle

Factorising perfect squares

Factorising perfect squares

Factorising using difference of squares

Factorising using difference of squares

Finding principle in Compound Interest Problems

Finding principle in Compound Interest Problems

How to use Snagit

How to use Snagit

Gas Properties Pressure

Gas Properties Pressure

finding an angle

finding an angle

Finding hypotenuse

Finding hypotenuse

finding a missing side

finding a missing side

Venn Diagrams

Venn Diagrams

Proofs with congruent triangles

Proofs with congruent triangles

Congruent Triangles

Congruent Triangles

Using a free template

Using a free template

sketching quadratics

sketching quadratics

translations of quadratics

translations of quadratics

completing the square

completing the square

solving quadratics by factorising

solving quadratics by factorising

rationalising the denominator

rationalising the denominator

Surds and Distributive Law

Surds and Distributive Law

Adding and subtracting surds

Adding and subtracting surds

Dividing Surds

Dividing Surds

Multiplying Surds

Multiplying Surds

Format and add images

Format and add images

My First Website

My First Website

Factorising trinomials simple

Factorising trinomials simple

Factorising trinomials harder

Factorising trinomials harder

Using Bearings and Trigonometry

Using Bearings and Trigonometry

special triangles

special triangles

unit circle

unit circle

finding distance

finding distance

finding time

finding time

finding speed

finding speed

Converting units of speeds

Converting units of speeds

correlation

correlation

5 Number Summary Assignment

5 Number Summary Assignment

Scatter plot and Line of Best Fit

Scatter plot and Line of Best Fit

Comparing Box and Whisker Plots

Comparing Box and Whisker Plots

percent cumulative frequency

percent cumulative frequency

All the numbers

All the numbers

box n whisker

box n whisker

five number summary

five number summary

yield limiting

yield limiting

Molar Volume at STP

Molar Volume at STP

Molar volume conversions

Molar volume conversions

Molar Ratio and Chemical Equations

Molar Ratio and Chemical Equations

mole ratio

mole ratio

mass to moles

mass to moles

molar mass

molar mass

avogadros number

avogadros number

running man

running man