In Addition and Subtraction, Games and warm-ups, Multiplication and Division, Number and Algebra

Background:

A yohaku is a new type of number puzzle that tests students’ number sense and problem-solving skills. Each yohaku involves either addition or multiplication (or sometimes both). The aim is to fill in the empty cells such that they give the sum or product shown in each row and column

Resource:

A huge collection of Yohaku puzzles problems can be found at the Yohaku website: https://www.yohaku.ca/

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