# CalcuDoku For Kids Mixed Grids - Easy to Hard - Volume 1 - 145 Puzzles

CalcuDoku is a fun and addicting logic puzzle game that combines Sudoku with math. CalcuDoku is a fun way for kids practice addition, subtraction, multiplication, and division facts. CalcuDoku teaches your child math, logical thinking and deductive reasoning skills, even at a young age. CalcuDoku improves critical thinking and making quick decisions based upon available evidence. CalcuDoku is a brain game that helps to train the brain of your child. In addition, CalcuDoku demands attention to detail - noticing patterns, spotting opportunities, and finding the right moment to make a move. CalcuDoku is not only fun and interesting – it might just help prepare your kids for better success in school and in life.

CalcuDoku For Kids Mixed Grids - Easy to Hard is a collection of 145 puzzles:

• 44 easy CalcuDoku puzzles, going from 4x4 to 9x9
• 40 medium CalcuDoku puzzles, going from 4x4 to 9x9
• 40 hard CalcuDoku puzzles, going from 4x4 to 9x9
• 21 extra logic puzzles

The goal of CalcuDoku is to fill the grid in with the numbers 1-N (N is the number of rows/columns in the grid) such that:

• Each row contains exactly one of each number.
• Each column contains exactly one of each number.
• Each bold-outlined group of cells (cages) contains numbers which achieve the specified result using the specified mathematical operation (+, -, ×, ÷). Sometimes the sign +, -, × or ÷ is omitted, in which case you also need to find the correct sign.
• Numbers may repeat within a cage.

The goal of Futoshiki is to place one number in each empty cell, so that each column and row contains each number exactly once. Some numbers may be given at the start. In addition, inequality constraints are specified between some of the squares, such that the number must be higher or lower than its neighbor. These constraints must be honored as the grid is filled out.

I guarantee that every logic puzzle in this CalcuDoku book has been carefully checked to ensure that each puzzle has only 1 solution.

CalcuDoku is also known as Square Wisdom, CanCan, MinuPlu, Mathdoku and Calcu-Doku.

Puzzle series: CalcuDoku For Kids
Volume: 1
No. puzzles: 145
Difficulty levels: Easy, Medium, Hard
Large print: yes
Language: English
Translations: German, Spanish, French, Italian, Portuguese
Publication date: November 14, 2014
Author: Nick Snels
Dimensions: 6 x 9 inches
ISBN-10: 1503230570
ISBN-13: 978-1503230576
Cover: HQ cover image

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