Lingaku- number line
Generated: A number line is a straight line that represents numbers as points at equal distances from each other. It is used in mathematics to visualize the position of numbers and to perform operations involving real numbers.
zài在kè táng课堂shǎng上，wǒ men我们shǐ yòng使用shù zhóu数轴lái来bāng zhù帮助xué sheng学生lǐ jiě理解fù shù负数hé和zhèng shù正数de的gài niàn概念。
In class, we use a number line to help students understand the concept of negative and positive numbers.