SQA Year 7 Maths: Vocabulary and Terminology Quick Reference Guide | SQA 七年级数学：词汇术语速记指南

📚 SQA Year 7 Maths: Vocabulary and Terminology Quick Reference Guide | SQA 七年级数学：词汇术语速记指南

Mastering mathematical vocabulary is essential for success in SQA Year 7 maths. Knowing the meaning of terms like ‘factor’, ‘numerator’, and ‘equation’ helps you understand questions, communicate solutions, and build confidence. This guide covers key terminology you will encounter, with clear English definitions and Chinese translations to aid memory and understanding.

掌握数学词汇对于在SQA七年级数学中取得成功至关重要。了解’因数’、’分子’和’方程’等术语的含义有助于你理解题目、表达解法并建立信心。本指南涵盖你将遇到的关键术语，配有清晰的英文定义和中文翻译，帮助记忆和理解。

1. Numbers and Place Value | 数字与位值

The number system is built on digits and their place value. Understanding place value allows us to read, write, and compare numbers accurately.

数字系统建立在数字及其位值基础上。理解位值使我们能够准确地读写和比较数字。

Place value is the value of a digit depending on its position. For example, in 345, the digit 3 has a place value of hundreds, meaning 300.

位值是指数字根据其位置而具有的值。例如，在345中，数字3的位值是百位，表示300。

An integer is a whole number that can be positive, negative, or zero, with no fractional parts. Integers include -3, 0, and 7.

整数是可以为正数、负数或零且没有小数部分的数。整数包括-3、0和7。

2. Addition and Subtraction | 加法与减法

Addition and subtraction are the most basic operations. They help us combine numbers and find differences.

加法和减法是最基本的运算。它们帮助我们合并数字并找出差值。