**Product Specifications:**

**Brand:** Hān Hān Lèyuán

**Target Audience:** Students transitioning from kindergarten to primary school, recommended by teachers

**Content:** Comprehensive summary of key mathematical formulas for grades 1-6, including unit conversions, addition and multiplication tables, textbook synchronization, rich knowledge points, and efficient memorization techniques

**Features:** Portable, science-based learning methods, graphics for visual aid, efficient studying

**Benefits:** Promotes good study habits, reinforces fundamental knowledge, enhances pre-class preparation and post-class review

**Material:** Double-sided laminated and thick cardboard

**Pages:** 97 pages with 50 cards

**Suitable for:** Grades 1-6, covering primary school mathematics curriculum

**Dimensions:** 7cm x 7cm

**Unit Conversions:** Includes length and weight conversions for easy reference

**Design:** Rounded corners for safety, dual-sided printing with 192 knowledge points, hole-punched for easy organization

**Additional Information:** Waterproof and dirt-resistant coating, smooth rounded edges for hand protection

This upgraded version of the Primary School Mathematics Formula Card from Hān Hān Lèyuán offers a comprehensive and engaging approach to learning essential mathematical concepts for young students.