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Kangaroo: Arithmetic, thinking and puzzle questions
Free downloadable bundles, which you can use as quicker bundles and/or as brainteasers and/or math riddles. Here you will find bundles for different ages and different levels of difficulty.
You can also use the bundles in preparation for the …
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Witzzle: Mental arithmetic
A math puzzle where students see nine numbers in a grid. With the numbers on the same row or in the same column they have to start calculating so that they can make all numbers from 1 to 36 as a result. They may add, subtract, multiply and divide.
Downloadable resource (54)Teacher -
KenKen: Rekendoku's
On this website you can make online calculation odds in which additions, subtractions multiplications and divisions occur.
There are calculation odds with 3x3, 4x4, ... to 9x9 squares. You get a puzzle every day.
Teachers can subscribe to …
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