HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3926100000 | Doc | 35.3% | CN | US | 2025-05-12 |
3926909400 | Doc | 55.0% | CN | US | 2025-05-12 |
3920995000 | Doc | 60.8% | CN | US | 2025-05-12 |
3920991000 | Doc | 61.0% | CN | US | 2025-05-12 |
9503000071 | Doc | 30.0% | CN | US | 2025-05-12 |
9503000073 | Doc | 30.0% | CN | US | 2025-05-12 |
4201006000 | Doc | 57.8% | CN | US | 2025-05-12 |
4205000500 | Doc | 57.9% | CN | US | 2025-05-12 |
4205001000 | Doc | 55.0% | CN | US | 2025-05-12 |
9610000000 | Doc | 33.5% | CN | US | 2025-05-12 |
9619009000 | Doc | 44.5% | CN | US | 2025-05-12 |
The 99 multiplication table, also known as the multiplication tables from 1 to 99, is a fundamental tool for arithmetic calculation, primarily used for memorizing the products of numbers from 1 to 99.
Material: Traditionally, the 99 multiplication table is presented as a printed chart, often on paper or laminated card. However, it is increasingly found as digital resources – within software, websites, or mobile applications. The core "material" is mathematical knowledge organized into a grid format.
Purpose: The primary purpose of the 99 multiplication table is to facilitate rapid recall of multiplication facts. This accelerates mental calculation, reduces reliance on repeated addition, and forms a basis for more complex mathematical operations. It is crucial for building number sense and computational fluency.
Function: The table functions as a lookup resource. Each cell in the grid represents the product of the row and column headers. For example, the cell at the intersection of row '7' and column '8' contains the value 56 (7 x 8 = 56).
Usage Scenarios: * Education: Essential for primary school students learning multiplication. Used for memorization drills, timed tests, and as a foundation for more advanced math concepts. * Everyday Calculations: Used for quick mental calculations in various real-life scenarios, such as shopping, budgeting, or cooking. * Foundation for Advanced Math: Serves as a building block for understanding concepts like factorization, division, and fractions. * Programming: Can be used as a reference for algorithms or as a data source in simple programs.
Common Types/Representations: * Standard Grid: The most common form, a 10x99 or 99x99 grid displaying all products. * Partial Tables: Often, only the tables from 1 to 12 or 1 to 20 are initially taught, before progressing to the full 99 table. * Digital Tables: Interactive tables found on computers, tablets, or smartphones, often with features like highlighting, quizzes, and customizable difficulty levels. * Memorization Aids: Various mnemonic devices and patterns are used to help learners memorize the table, such as songs, rhymes, and visual aids. * Pythagorean Multiplication Table: A less common representation, used to visualize multiplication and division patterns.
According to the provided reference material, the HS code options related to '99 multiplication table' are limited, with only the following 1 found.
- 9610000000: Slates and boards, with writing or drawing surfaces, whether or not framed.
- Chapter 96: Miscellaneous manufactured articles. This chapter covers a variety of finished goods not specifically classified elsewhere.
- Heading 9610: Slates and boards, with writing or drawing surfaces. This heading specifically includes items used for writing or drawing, such as school slates or blackboards.
- Subheading 9610000000: This is a further specification within the heading, indicating that the item is a slate or board with a writing or drawing surface, regardless of whether it is framed or not.
Regarding HS code 9610000000, it is important to note that this classification applies to items primarily used for writing or drawing. A multiplication table, being a surface with printed numbers for educational purposes, falls under this category.