Thank you for viewing. Regarding shipping: For example, If you purchase between the evening of the 1st (Monday) and the 7th (Sunday), your order will be shipped on the 13th (Saturday) or 14th (Sunday). If you purchase between the evening of the 8th (Monday) and the 14th (Sunday), your order will be shipped on the 20th (Saturday) or 21st (Sunday). If you purchase multiple books, we may be able to offer a discount on shipping. Please comment. (This may not be possible depending on the thickness of the books.) If you purchase multiple books without commenting, we may ship them together at the original price. Training comprehensively on essential content covered in textbooks. Focusing on problem exercises, this book arranges essential content covered in textbooks by theme, including not only calculation problems but also short word problems and geometry problems. This allows you to develop a stable arithmetic ability without unevenness. The curriculum is the same as "Standard New Exercises." Calculation problems to review periodically. Calculation problems are included every few lessons, with 10 questions each time. Solving them again after some time helps to solidify your calculation skills. When used in conjunction with "Standard New Exercises," it is also ideal as a sub-text to supplement lessons or for home study, such as review.