Let's try! 100 cells calculation practice free site
Example of additions in a 25-cells matrix + 5 10 1 3 6 6 11 16 7 9 12 9 14 19 10 12 15 4 9 5 7 10 1 6 11 2 4 7 5 10 15 6 8 Input the sum obtained by adding the number in the row to that in the column. When finished click in this box to obtain your result. The correct answers will appear circled and the wrong answers will appear in a square box as shown above.  Since 10+4 and 6+5 are incorrect, they can be input again.	< Member > For registered users Name Handle Password Half size characters Type of calculation Addition Subtraction Multiplication Division Course Explanation Normal Spiral 2 Digits Number of cells (Columns x Rows) Only normal 100 (10x10) 80 (8x10) 70 (7x10) 50 (5x10) 36 (6x6) 25 5x5) 16 (4x4) 9 (3x3) 4 (2x2) 9 types, from 4 to 100 cells Class Only normal 10 classes 9 classes 8 classes 7 classes 6 classes 5 classes 4 classes 3 classes 2 classes 1 class grade E grade D grade C grade B grade A 15 levels from Class-1 to Class-10 followed by grade-E up to grade-A. Start New members < register here  >(Free) System features Copyright: Internet Kobe Co.,Ltd. Address: 17-2, 2-Chome, Kozukayama, Tarumi-ku, Kobe 655-0002, Japan Director: Haruo Morishige Free Dial 0800-600-8080 (Everyday between 10: 00 and 20:00) If in doubt,please contact 100 cells training center. Number of visitors up to today Yesterday Today English 13377 0 1 World 1341340 0 1
Let's try here Let's try! 100 cells: Let's try! 36 cells: Let's try! 4 cells Ranking: Personal record :Personal lap Presented by InternetKobe Ltd.