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Exercise Book·Ten Methods of Borrowing
破十法又叫借十法,是一种计算方法,当个位不够减时,就用10减去减数,剩下的数和个位上的数相加,即破十法。 意思就是将20以内的数字的进位加法转化为小学一年级学生所熟悉的十加几的题目,化难为易,化大为小。Regular price $2.99Quick view -
Exercise Book·Ten Methods
什么是凑十法? “凑十法”是计算20以内进位加法的基础和核心,它的过程简言之是:先分,再凑十,最后把零头相加。 具体来说,分之前的观察十分重要,首先决定凑哪个数,分哪个数,要凑成十的那个数还缺几,就从另一个数分出几。 本书旨在教会儿童熟练掌握基本的计算技巧,并达到熟能生巧、计算结果准确的程度,帮助小孩轻松应对小学课堂,顺利完成角色转换。 目录 凑十法的认识 1 10的加法练习 2 凑十法图解 9 凑十法计算 43 综合测试 57 扩展练习 69Regular price $2.99Quick view -
Yaofish 100 Number Board Hundreds of Boards
by Yaofish AGES 3-10 Product Details 19 ways to play, 82 question cards, plus more question cards and hundreds of board courses, learn mathematics step by step, and accompany your children from kindergarten to primary school....Regular price From $14.99Quick view -
Pinwheel Fast Finger Crazy pair of collisions
by Pinwheel AGES 3 years old+ Product Details Classic find the same game, easily train children's concentration! In the form of games, let children find the same patterns between cards to quickly improve their concentration. Selected...Regular price $14.99Quick view -
Deli Electric and Battery Pencil Sharpener Deli dual power electric pencil sharpener - 3 colors available
Product Details - Dual power supply, USB charging + battery, environmentally friendly and convenient - Alloy steel spiral hob, golden tilt angle is not easy to jam the pen - Suitable for pencils of different shapes,...Regular price $22.99Quick view -
3D creative pop-up book hardcover edition: Forest into the Museum of Nature
by Jutong Culture PublisherShanghai Dictionary Publishing House Published January 2022 Age 3-10 years old About "Forest: Entering the Museum of Nature" 3D creative pop-up book leads curious children into the three-dimensional forest kingdom and starts a...Sale price $29.99Regular price $47.99Quick view