数学与我们的生活密切相关,它是我们借以了解世界的基本工具。《数学课程标准》明确指出:“学生的学习内容应当是现实的、有意义的、富有挑战性的。这些内容要有利于学生主动地进行观察、实验、猜测、验证、推理与交流等数学活动。”因此,在小学数学教学中,从生活实际出发,把教 Mathematics is closely related to our life, and it is the basic tool by which we learn about the world. The standard of mathematics curriculum clearly states: "The students' learning content should be realistic, meaningful and challenging, which should help students take the initiative to conduct mathematical activities such as observation, experiment, guesswork, verification, reasoning and communication Therefore, in primary school mathematics teaching, from the reality of life, to teach