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How to Understand Formulas & Functions in Excel
Howcast - Learn how to understand formulas and functions in this Howcast Excel tutorial with expert Shir Moscovitz.
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How to Understand the Causes of Memory Loss
Understanding the causes of memory loss will help you to spot early signs of dementia in loved ones, and knowing the facts can allay your suspicions about whether or not memory lapses indicate an actual cognitive deficiency.
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How to Know If Your Memory Loss Is Serious
Everybody wants to know as they age if something serious may be behind their memory loss. Usually, memory loss is just a part of aging. But that doesn't mean you shouldn't find out for sure.
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The One Room Reset | Decluttering Cure
Have you ever been driving somewhere, gotten a little lost, and turned down the radio so you could think better? Yeah, I don’t know the science behind it either, but eliminating noisy distractions sure does a lot to clear your head. You...
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Behind Scary Capabilities of US Navy’s Super Fast Patrol Boats at Sea
Welcome back to the Fluctus Channel for our look at fast and maneuverable patrol boats with loads of firepower. Fluctus is a website and YouTube channel dedicated to sea geeks. Whenever you are curious or an incorrigible lover of this...
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The humble pot
Pupil outcome: I can investigate pottery and experiment with different shapes and texture to create a pinch pot. Key learning points: - Pottery has been around for thousands of years and is a job within the creative industries. - Pottery...
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Plan and make an interactive book
Pupil outcome: I can plan and make a page for an interactive book. Key learning points: - Design specifications are used to plan products. - Linkages need to be cut and shaped accurately. - Linkages need to be joined accurately.
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Sorting and searching data
Pupil outcome: I can use spreadsheet tools to sort and search data to find and analyse information. Key learning points: - Data can be sorted in ascending or descending order. - Filters can be applied to hide data that is not needed for...
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Analysing and visualising data
Pupil outcome: I can analyse data using functions and summarise findings using charts. Key learning points: - A spreadsheet function is a predefined formula that performs calculations. - Spreadsheet functions can be used to analyse data....
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Using formulas in a spreadsheet
Pupil outcome: I can use spreadsheet functions that work with ranges of cells. Key learning points: - A range of cells is a collection of cells located directly next to each other. - A function in a spreadsheet performs a preset formula...
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Checking and securing understanding of functions
Pupil outcome: I can appreciate that a function is a mathematical relationship that uniquely maps a set of numbers onto another set of numbers. Key learning points: - A function has a set of inputs and outputs. - For any valid input,...
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The function of leaves
Pupil outcome: I can describe why plants have leaves. Key learning points: - Many plants have roots, stems, leaves and flowers. - Plants can make their own food. This happens in the leaves of a plant. - Plants make food in their leaves,...
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Form versus function fruit juicers
Pupil outcome: I can evaluate the form and function of existing products. Key learning points: - Different factors influence the form of products, including functionality, purpose, materials and aesthetics. - Different factors influence...
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Transforming graphs: y = f(x) + a
Pupil outcome: I can recognise the effect of applying the transformation y = f(x) + a to a graph. Key learning points: - Desmos is an effective tool for showing the effects of this transformation - The actual function itself does not...
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Defining function notation
Pupil outcome: I can define function notation. Key learning points: - There is a shorthand for writing a function. - The notation means that the whole function does not need to be written out each time. - The notation should always be...
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Checking and securing understanding of function notation
Pupil outcome: I can define and use function notation. Key learning points: - There is a shorthand for writing a function - The notation means that the whole function does not need to be written out each time - The notation should always...
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Checking and securing understanding of moving between function notation and the definition
Pupil outcome: I can fluently move between function notation and the function it represents, including when the function has been altered. Key learning points: - Changing the function changes what it represents - The change in notation...
Curated Video
Transforming graphs: y = f(x + a)
Pupil outcome: I can recognise the effect of applying the transformation y = f(x + a) to a graph. Key learning points: - Desmos is an effective tool for showing the effects of this transformation - The actual function itself does not...
Curated Video
Problem solving with functions and proof
Pupil outcome: I can use my knowledge of functions and proof to solve problems. Key learning points: - In order to prove something, you may need to use any of your maths skills and knowledge. - It is important to define any algebraic...
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Solving equations involving functions
Pupil outcome: I can solve equations involving functions. Key learning points: - A function may have a given output. - It is possible to solve to find the input.
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Solving equations involving composite functions
Pupil outcome: I can solve equations involving composite functions. Key learning points: - A composite function may have a given output. - It is possible to solve to find the input. - This can be extended to two composite functions that...
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Basics / Transformations to Rational Functions
In this video, we define rational functions and examine how to graph simple rational functions as transformations to the reciprocal function.
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Domain and Range Basics
Watch this video for basic definitions and applications of that Algebra ideas of domain and range.
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Domain and Range Word Problems
See how the definitions of domain and range apply to real-world situations.