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More and more children throughout the world are said to be losing their curiosity in mathematics because they are not used to using their heads to think. This workbook cultivates children’s abilities to think by solving entertaining yet challenging problems that introduce equations such as 2 X 2 and 2 X 3 in rows and columns. As there is more than one answer to each question based upon four calculations (addition, subtraction, multiplication, and division), children have many chances to exercise their brains and improve their math skills. For elementary school students of all levels.


About the Author

Ninchi Kougaku

Founded in 1989, Ninchi Kougaku (Cognitive Engineering Laboratory) is a cram school located in central Kyoto that is well-known for helping its students enter the most prestigious middle and high schools. With the motto to use your head and think,” Ninchi Kougaku’s methods, encourage students to work on problems on their own so as to help prepare them for the future. Their teaching methods are highly regarded in the education industry, and have been applied to primary schools and major tutor schools across Japan.

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