This is a set of 20 math workbooks for 6th graders from the junior high school entrance exam cram school Gnoble. These are completely unused. There are no folds or marks from copying, but please understand that they have been stored at home before purchasing. The retail price is 880 yen (tax included) per book x 20 books = 17,600 yen. 1 Problems related to numbers (1) - Factors and Multiples - 2 Properties of plane figures 3 Transformations of plane figures 4 Problems related to ratios and proportions (1) 5 Problems related to ratios and proportions (2) 6 Word problems on speed (1) - Traveler problems - 7 Word problems on speed (2) - Flowing water problems, passing problems - 8 Proportional and inversely proportional relationships 9 Problems related to numbers (2) - Decimals and fractions - 10 Volume and water depth changes of solid figures 11 Problems related to solid figure thinking 12 Problems related to similar figures 13 Water depth changes and graphs 14 Counting problems - Permutations, combinations, voting problems - 15 Let's find the patterns 16 Movement of points on figures 17 Problems related to sum and difference 18 Problems related to ratios and proportions (3) 19 Problems related to speed and ratios 20 Summary of plane figures This is the 2025 academic year edition. Thank you for looking.