CALCTHRUM

By Dachverband Legasthenie Deutschland e.V. on AppTrack Ninja.

Five answers. One centre.

Five answers lead to one final equation. In each outer pentagon of CALCTHRUM, find the number made by adding or multiplying two other numbers in the same field. Tap the answer. Your five answers move to the centre, where they form a new puzzle with one correct solution. Choose Plus, Times or Mixed and one of five levels. Each field contains five different numbers. Mixed uses addition and multiplication in the outer fields and addition in the centre. Times also uses multiplication for the final puzzle. Press Start when you are ready. The clock runs during play and pauses while help, settings o…

Categories: Education, Puzzle, Games

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