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笔者近日听了一堂二年级的应用题复习课。执教者设计了如下的练习(师出示卡片):红花与黄花共多少朵?要求学生说出所需的两个条件。生_1:要求红花与黄花共多少朵,必须知道红花几朵,黄花几朵。生_2:要求红花与黄花共多少朵,必须知道红花几朵,黄花比红花多几朵。生_3:要求红花与黄花共多少朵,必须知道红花几朵,黄花的朵数是红花的几倍。生_4:要求红花和黄花共多少朵,必须知道红、黄、蓝三种花共几朵,其中蓝花几朵。……这样的教学,加强了说的训练,充分显示了学生的
Recently, I listened to a second grade application problem review class. The coaching staff designed the following exercises (teacher to produce the card): How many flowers and yellow flowers? Ask students to say the required two conditions. Health _1: request a total of red flowers and yellow flowers, you must know a few red flowers, a few yellow flowers. Health _2: Request a total number of red flowers and yellow flowers, must know a few red flowers, yellow flowers more than a few flowers. Health _3: request a total number of red flowers and yellow flowers, you must know a few safflower, yellow flowers are several times the number of safflower. Health _4: request a total of red flowers and yellow flowers, you must know red, yellow, blue, a total of three flowers, including blue flowers a few. ...... Such teaching, strengthening the training that said, fully demonstrated the students