Teacher Profile: Mr Rose
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11-16 Mathematics
Linear sequences
How to work out the nth term
How to work out the nth term
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11-16 Mathematics
Percentage of amounts- no calculator
How to work out 20%, 5%, 75% etc
How to work out 20%, 5%, 75% etc
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11-16 Mathematics
Percentage of amounts- no calculator
How to work out 20%, 75%, 5% etc
How to work out 20%, 75%, 5% etc
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11-16 Mathematics
Percentages of amounts- no calculator
How to work out 50%, 25% and 10%
How to work out 50%, 25% and 10%
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11-16 Mathematics
Fractions of amounts
How to work out fractions of something
How to work out fractions of something
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11-16 MathematicsWorking out specific terms using the nth term rule of a sequence
A video demonstrating how to work out the 1st term, the 2nd term, the 3rd more »
A video demonstrating how to work out the 1st term, the 2nd term, the 3rd term etc of sequence when you are given the formula for the nth term.
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11-16 MathematicsFinding the nth term of a linear sequence
A video showing how to work out the nth term of a linear sequence
A video showing how to work out the nth term of a linear sequence
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11-16 MathematicsReverse percentage problems
A video explaining how to find the original amount after a percentage more »
A video explaining how to find the original amount after a percentage change.
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11-16 MathematicsRepeated percentage change- Using a multiplier
A video showing students how to use a multiplier to carry out more »
A video showing students how to use a multiplier to carry out calculations involving repeated percentage changes
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11-16 MathematicsPercentage increase and decrease- multiplier method
Description...an explanation of how to use multipliers to increase or more »
Description...an explanation of how to use multipliers to increase or decrease an amount by a percentage in one step
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11-16 MathematicsTrigonometry- finding an unknown angle
Video 2 demonstrating how to use trigonometry to find a missing angle in more »
Video 2 demonstrating how to use trigonometry to find a missing angle in a right angled triangle.
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11-16 MathematicsTrigonometry- finding an unknown angle
Video 1 demonstrating how to use trigonometry to find a missing angle in more »
Video 1 demonstrating how to use trigonometry to find a missing angle in a right angled triangle.
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11-16 MathematicsTrigonometry- finding an unknown side where the letter is on the bottom of a fraction
Video 2 demonstrating how to use trigonometry to find a missing side in a more »
Video 2 demonstrating how to use trigonometry to find a missing side in a right angled triangle where one side and an angle is given.
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In these 2 examples, the unknown sides end up appearing on the bottom of a fraction in an equation. -
11-16 MathematicsTrigonometry- finding an unknown side where the letter is on the bottom of a fraction
Video 1 demonstrating how to use trigonometry to find a missing side in a more »
Video 1 demonstrating how to use trigonometry to find a missing side in a right angled triangle where one side and an angle is given.
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In this example, the unknown side ends up appearing on the bottom of a fraction in an equation. -
11-16 MathematicsTrigonometry- finding an unknown side where the letter is on top of a fraction
Video 2 demonstrating how to use trigonometry to find a missing side in a more »
Video 2 demonstrating how to use trigonometry to find a missing side in a right angled triangle where one side and an angle is given.
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In these 2 examples, the unknown sides end up appearing on top of a fraction in an equation. -
11-16 MathematicsTrigonometry- finding an unknown side where the letter is on top of a fraction
Video 1 demonstrating how to use trigonometry to find a missing side in a more »
Video 1 demonstrating how to use trigonometry to find a missing side in a right angled triangle where one side and an angle is given.
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In this case, the unknown side ends up appearing on top of a fraction in an equation. -
11-16 MathematicsStandard form with a calculator
A demonstration of how to input numbers in standard form into a more »
A demonstration of how to input numbers in standard form into a calculator
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11-16 MathematicsOrdering numbers in standard form
A demonstration of how to put numbers written in standard form in order.
A demonstration of how to put numbers written in standard form in order.
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11-16 MathematicsConverting large numbers in standard form into ordinary numbers
A demonstration of how to convert large numbers into standard form
A demonstration of how to convert large numbers into standard form
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11-16 MathematicsConverting small numbers into standard form
A demonstration of how to convert small numbers (between 0 and 1) into more »
A demonstration of how to convert small numbers (between 0 and 1) into standard form
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11-16 MathematicsConverting large numbers into standard form
A demonstration of how to convert large numbers into standard form
A demonstration of how to convert large numbers into standard form
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11-16 MathematicsConverting small numbers in standard form into ordinary numbers
A demonstration of how to write a small number (between 0 and 1) in more »
A demonstration of how to write a small number (between 0 and 1) in standard form
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11-16 MathematicsDrawing a reflection in vertical and horizontal mirror lines
A demonstration of how to draw reflections where the mirror is either more »
A demonstration of how to draw reflections where the mirror is either horizontal or vertical. In these 2 examples, the mirrors are the x axis and the y axis.
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11-16 MathematicsDescribing an enlargement
A demonstration of how to describe an enlargement, identifying the centre more »
A demonstration of how to describe an enlargement, identifying the centre of enlargement and the enlargement's scale factor
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11-16 MathematicsDrawing an enlargement
A demonstration of how to draw an enlargement given the scale factor and more »
A demonstration of how to draw an enlargement given the scale factor and centre of enlargement
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11-16 MathematicsDescribing a translation
A demonstration showing how to fully describe a translation
A demonstration showing how to fully describe a translation
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11-16 MathematicsDrawing a rotation
A demonstration showing how to rotate a shape through a given angle in a more »
A demonstration showing how to rotate a shape through a given angle in a given direction with a given centre
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11-16 MathematicsMultiplying decimals
An explanation of the rule you need to use to multiply decimals. Contains more »
An explanation of the rule you need to use to multiply decimals. Contains plenty of examples.
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11-16 MathematicsMeasuring angles with a protractor
How to measure an angle with a protractor. Includes a talk through of how more »
How to measure an angle with a protractor. Includes a talk through of how you place the protractor on an angle, and which scale on the protractor to use.
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11-16 Mathematics
Identifying bearings
An explanation of what a bearing is. You need to be able to identify more »
An explanation of what a bearing is. You need to be able to identify which angle is the bearing in order to be able to measure the bearing correctly!
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11-16 MathematicsAngles in a polygon
Worked examples showing how to work out the sum of all of the angles in a more »
Worked examples showing how to work out the sum of all of the angles in a pentagon and a hexagon. An explanation of how to work out the sum of all angles in any polygon. How to work out the size of each angle in a regular polygon.
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11-16 MathematicsAngle relationships
A talk-through of diagrams you may see when calculating with angles
A talk-through of diagrams you may see when calculating with angles
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11-16 MathematicsAngle relationships with parallel lines
An explanation of notation for parallel lines, and how to identify more »
An explanation of notation for parallel lines, and how to identify corresponding and alternate angles. Also includes a simple way to remember which word goes with which picture.
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11-16 MathematicsConstructing a line bisector
A demonstration of how to construct a perpendicular bisector of a line, more »
A demonstration of how to construct a perpendicular bisector of a line, together with an explanation of what the perpendicular bisector actually gives you- a line of points equidistant from 2 points. It splits the page into 2 regions, one region is closer to one point and the other region ...
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11-16 MathematicsConstructing an angle bisector
A demonstration of how to bisect an angle
A demonstration of how to bisect an angle
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11-16 MathematicsRounding- significant figures
What is a significant figure?
How do we round a number to a given more »What is a significant figure?
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How do we round a number to a given number of significant figures? -
11-16 MathematicsRounding
How to identify the digit that determines whether a number rounds up or more »
How to identify the digit that determines whether a number rounds up or rounds down. In this video, I don't mention "rounding down". Instead, I talk about "chopping off". This is to prevent students from believing that, for example, when you round 24 to the nearest 10, you get 10. The ...
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11-16 MathematicsVolume of a prism (cuboid)
Video 1 demonstrating how to work out the volume of a prism. In this more »
Video 1 demonstrating how to work out the volume of a prism. In this example, the prism is in fact a cuboid.
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11-16 MathematicsVolume of a prism (cylinder)
Video 3 demonstrating how to work out the volume of a prism. In this case more »
Video 3 demonstrating how to work out the volume of a prism. In this case the prism is a cylinder
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11-16 MathematicsVolume of a prism (triangular)
Video 2 demonstrating how to work out the volume of a prism. In this more »
Video 2 demonstrating how to work out the volume of a prism. In this example, the prism is a triangular prism
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11-16 MathematicsPythagoras theorem
Video 4 demonstrating how to find the third side of a right angled more »
Video 4 demonstrating how to find the third side of a right angled triangle. In this video, we are finding one of the shorter lengths
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11-16 MathematicsPythagoras theorem
Video 3 demonstrating how to find the third side in a right angled more »
Video 3 demonstrating how to find the third side in a right angled triangle
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11-16 MathematicsPythagoras theorem
Video 2 demonstrating how to work out the longest side in a right angled more »
Video 2 demonstrating how to work out the longest side in a right angled triangle
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11-16 MathematicsPythagoras theorem
Video 1 showing how to find the longest side in a right angled triangle
Video 1 showing how to find the longest side in a right angled triangle
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11-16 MathematicsCalculating the area of a compound shape
A video demonstrating how to work out the area of a compound shape. The more »
A video demonstrating how to work out the area of a compound shape. The example is completed 4 times, showing different ways to arrive at the same answer.
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11-16 MathematicsCalculating the area of a circle given the diameter
A video demonstrating how to work out the area of a circle when you are more »
A video demonstrating how to work out the area of a circle when you are told what the diameter is
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11-16 MathematicsCalculating the area of a circle given the radius
A video demonstrating how to work out the area of a circle when you have more »
A video demonstrating how to work out the area of a circle when you have been told what the radius is.
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11-16 MathematicsCalculating the area of a triangle
A video demonstrating how to work out the area of a triangle
A video demonstrating how to work out the area of a triangle
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11-16 MathematicsCalculating the area of a trapezium
A video demonstrating how to work out the area of a trapezium
A video demonstrating how to work out the area of a trapezium
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11-16 MathematicsCalculating the area of a parallelogram
A video demonstrating how to work out the area of a parallelogram
A video demonstrating how to work out the area of a parallelogram
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11-16 MathematicsWorking out the area of a rectangle
A video demonstrating how to work out the area of a rectangle
A video demonstrating how to work out the area of a rectangle
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11-16 MathematicsFinding the HCF and LCM of 2 numbers
A video demonstrating how to use a venn diagram to work out the HCF and more »
A video demonstrating how to use a venn diagram to work out the HCF and LCM of a pair of numbers.
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11-16 MathematicsEstimating the mean from a grouped frequency table
A second example demonstrating how to estimate the mean from a grouped more »
A second example demonstrating how to estimate the mean from a grouped frequency table. The "<" and "≤" notation is used in this video in the groups column .
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11-16 MathematicsEstimate the mean from a grouped frequency table
An example of how to estimate the mean from a grouped frequency table. more »
An example of how to estimate the mean from a grouped frequency table. The video also explains why it is not the mean that has been calculated, just an estimate.
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11-16 MathematicsMean, median, mode and range from a frequency table
An example of how to work out the mean from a frequency table.it also more »
An example of how to work out the mean from a frequency table.it also includes how to write down the mode from a frequency table, how to work out the range and how to work out which value is the middle value, enabling you to work out the median.
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11-16 MathematicsExpressing a number as the product of its prime factors
A worked example on how to express a number as the product of its prime more »
A worked example on how to express a number as the product of its prime factors
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11-16 MathematicsBODMAS/ BIDMAS
This video explains the order that calculations must be carried out if more »
This video explains the order that calculations must be carried out if you are to end up with the correct answer.
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11-16 MathematicsSolving linear equations- brackets and unknown on both sides
How to solve linear equations that contain brackets and where the unknown more »
How to solve linear equations that contain brackets and where the unknown appears on both sides of the "=" sign.
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11-16 MathematicsSolving linear equations- unknown on both sides
How to solve linear equations where the unknown appears on both sides of more »
How to solve linear equations where the unknown appears on both sides of the "=" sign.
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In all of these examples, there are "more letters" on the right than on the left. -
11-16 MathematicsSolving linear equations- unknown on both sides
How to solve linear equations where the unknown appears on both sides of more »
How to solve linear equations where the unknown appears on both sides of the "=" sign.
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In all of these examples, there are "more letters" on the left than the right. -
11-16 MathematicsSolving linear equations involving brackets
How to solve linear equations involving brackets.
Expand the more »How to solve linear equations involving brackets.
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Expand the bracket first, then solve the equation using inverse operations. -
11-16 MathematicsExpanding brackets
How to multiply out single brackets when there is a letter in front of more »
How to multiply out single brackets when there is a letter in front of the bracket.
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11-16 MathematicsExpanding brackets
How to multiply out single brackets when there is a negative number in more »
How to multiply out single brackets when there is a negative number in front of the bracket
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11-16 MathematicsExpanding brackets
How to multiply out single brackets when there is a positive number in more »
How to multiply out single brackets when there is a positive number in front of the bracket.
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11-16 MathematicsSolving equations- two stage
How to solve linear equations where there two stages to the solution
How to solve linear equations where there two stages to the solution
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11-16 MathematicsLinear equations-starting point
What does a linear equation look like?
What does it contain?
more »What does a linear equation look like?
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What does it contain?
What does the answer look like? -
11-16 MathematicsSolving linear equations- one stage
Solving linear equations using the inverse of multiplication and the more »
Solving linear equations using the inverse of multiplication and the inverse of division.
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11-16 MathematicsSolving linear equations- one stage
How to solve one step linear equations
How to solve one step linear equations
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11-16 MathematicsAdding negative numbers
A simple rule for adding negative numbers.
If you see a plus NEXT more »A simple rule for adding negative numbers.
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If you see a plus NEXT TO a minus, rub out the plus and do the sum. -
11-16 MathematicsSubtracting negative numbers
A simple rule for subtracting negative numbers.
If you see a minus more »A simple rule for subtracting negative numbers.
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If you see a minus NEXT TO minus, turn them into a plus and do the sum. -
11-16 MathematicsMultiplying with negative numbers
Simple three stage rule for multiplying negative numbers.
1. more »Simple three stage rule for multiplying negative numbers.
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1. Forget the minus signs
2. Do the sum
3. The answer is negative if the numbers you started with were one positive and one negative. -
11-16 MathematicsDividing with negative numbers
Simple three stage rule for dividing negative numbers.
1. Forget more »Simple three stage rule for dividing negative numbers.
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1. Forget the minus signs
2. Do the sum
3. The answer is negative if the numbers you started with were one positive and one negative. -
11-16 MathematicsFour rules- fractions and whole numbers
What do you do when you have a sum where one of the numbers is a fraction more »
What do you do when you have a sum where one of the numbers is a fraction and the other number is a whole number?
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11-16 MathematicsThe four rules with mixed numbers
Don't work with mixed numbers! This video shows students what to do when more »
Don't work with mixed numbers! This video shows students what to do when they are asked to add, subtract, multiply or divide with mixed numbers.
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11-16 MathematicsConverting improper fractions to mixed numbers
How to convert from improper fractions to mixed numbers.
How to convert from improper fractions to mixed numbers.
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11-16 Mathematics
Converting mixed numbers to improper fractions
How to convert from mixed numbers to improper fractions.
How to convert from mixed numbers to improper fractions.
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11-16 MathematicsSubtracting fractions
Subtracting fractions using the grid method
Subtracting fractions using the grid method
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11-16 MathematicsAdding fractions
Adding fractions using the grid method
Adding fractions using the grid method
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11-16 MathematicsMultiplying fractions
How to multiply fractions
How to multiply fractions
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11-16 MathematicsDividing fractions
How to divide fractions
How to divide fractions
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