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Monofunctional compounds: Skeleton notation
Students often wonder what the skeletal notation looks like when functional groups are added to the carbon chain. This is a summary that I made at the request of students.
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Typography: Minilesson
In this lesson, students will work with typography. They learn the basics and get started making a monospace font.
This lesson is part of a series of lessons. For the complete series of lessons, contact Thijs van Radijs Ontwerp .
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Subordinating conjunctions: Overview
Presentation of subordinating conjunctions: if, then, while, although.
Example sentences are shown in the slides.
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Discriminatory by means of square division: Method
Presentation in which the method with the discriminant is derived from the square division.
See also Equations of the Second Degree: Work Bundle .
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Financial Algebra: Annuities and Debt Repayments
Two presentations with the theory and derivation of the formulas for annuities and debt repayments. A number of exercises are worked out each time, both with the TI84 graphing calculator and with Geogebra.
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Financial Algebra: Presentation of equivalent interest rates
Derivation of the formulas for equivalent interest rates for both simple and compound interest. This is illustrated with a short example.
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Financial Algebra: Presentation of interest calculation
In this presentation, percentage calculation and percentage increase are first repeated. Afterwards, some financial concepts and their associated symbols are defined and the distinction between simple and compound interest follows.
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All Ten: Interactive number puzzle
All Ten is a mathematical puzzle in which all numbers from 1 to 10 must be formed with four given digits by using +, -, x, : and brackets. Four different numbers appear every day.
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Driving under the influence of drugs, alcohol or medication: Lesson idea
Goal
For this theme, teachers have their students conduct research into the connection between addiction and road safety. Because young people often minimize the effects of psychotropic substances, the aim is to give certain prejudices an objective …
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Branched Alcohols: Naming
You can practice naming branched alcohols using flashcards. These contain alkyl and/or halogen groups as branches. The primary chain can consist of a simple alcohol or a diol.
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Branched halogen hydrocarbons: Naming
You can practice naming branched halogen hydrocarbons using flashcards. This set contains alkanes and alkenes that contain halogens and/or alkyl groups.
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Branched alkynes: Naming
You can practice naming branched alkynes using flashcards. The branches in this set only contain methyl, ethyl and propyl groups.
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