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How to write a briefing on the training activities of mathematical expression ability in senior one?
1, the class held the "Best Little Teacher" competition, and asked the students to talk about the topic.

2, with the help of commonly used counters, sticks, disks and other learning tools. To solve the problem, talk about ideas while operating.

3. Students explain "how much to compare", draw pictures with situations, and let students experience different specific situations through a lot of oral expressions, so that they can experience the same changes and deepen their grasp of "how much to compare" to solve problems.