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Number collections: Wall pictures
Diagram of number sets for each level. From natural numbers to irrational numbers.
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Addition and subtraction of negative numbers: Circle of sums
Practice adding and subtracting negative numbers using a sum circle.
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Calculation Rules of Natural Exponent Powers: Bingo Game
Bingo game to repeat the rules of calculation of powers with natural exponents.
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Graph Theory: Learning Path
The website is divided into eight modules about graphs. The following modules are covered:
- general theory;
- problems with neighbors;
- royal mountains bridges;
- minimal spanning tree;
- shortest path;
- four-color scheme;
- trade herons problems; …
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Percentage Calculation: Color by Number
In the exercises you calculate a percent of a number. A color is always mentioned at the end, you use this color to color in the number of the outcome on the drawing.
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Speed Bump Differential Quotient: Explainer Video
Screencast with two GeoGebra files introducing the difference quotient assuming that the slope of a line through two points has been repeated recently.
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Matrices, method of Gauss-Jordan: Domino
Practicing the Gauss-Jordan method for converting a matrix.
The dominoes are cut out separately and must be placed in the correct order.
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PFOS: Webquest
This is an online learning path about PFOS that can also be used in the classroom. Today's problems are viewed from different angles. Through group work, students become experts in a field (chemistry, biology or geography) and general PFOS expert. …
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Interactive exercise (3)Student (teacher training) -
Making biodiesel: STEM project
Lesson preparation STEM project: The sustainable rooftop vegetable garden: making biodiesel.
This project contains:
- preparatory stage;
- practical phase;
- results and discussions.
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Main operations with rational numbers: Worksheet
An extra workload about calculating with rational numbers.
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Calculating with rational numbers: Worksheet
A worksheet with extra exercises about calculating with rational numbers.
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Simplifying Fractions: Bingo Game
This bingo game is a playful exercise on simplifying fractions. Students are told a fraction, have to simplify it and then see if they have the simplified fraction on their bingo card.
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