Johan Maertens

Zet de decimale getallen naar breukvorm om en omgekeerd

Drag points on a graph to the given Cartesian coordinates. There are points in each of the four quadrants and on each axis.

rebelmaths

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rebelmaths

Vierkantswortels van van 0 t.e.m. 225 oefenen. 

Kwadraten van 0 t.e.m. 15 oefenen. 

Simplifying algebraic expressions

Show a list of the factors of a number.

Works by testing each number up to $n$ for divisibility by $n$, so won't do well with really big numbers. Certainly fast enough for numbers up to 4 or 5 digits.

Filling in the table of powers of ten.

Omvormen van formules

Questions on addition, subtraction, multiplication and powers of negative numbers.

Doelstelling: leerlingen kunnen de coördinaten van punten in een assenstelsel bepalen

Simple exercises introducing the fundamental set operations, and NUMBAS syntax for sets.

This question is made up of 10 exercises to practice the expansion of brackets.

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This question aims to test understanding and ability to use the laws of indices.

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All the answers in this question are equations. In order to mark each equation, Numbas needs to pick some values that satisfy the equation and some that don't, and check that the student's answer agrees with the expected answer.

Any equation with the same solution set as the expected answer will be marked correct.

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This question provides a list of data to the student. They are asked to find the mean, median, mode and range.

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Convert a metric measurement to another order of magnitude, e.g. g to kg.

Convert a metric measurement to another order of magnitude, e.g. g to kg.