"Multiplication formula of 7" multiplication in the table two PPT courseware

"7's multiplication formula" table multiplication 2 PPT courseware 1. Calculation foreshadowing, introduce new knowledge, watch the screen, and do oral calculations. 1 × 6 = 63 × 5 = 155 × 2 = 104 × 2 = 86 × 6 = 36 Question: You are really fast in calculation, how can you do it so fast? Summary: It seems that multiplication formulas can make our oral calculations correct and fast. 2. Learn new knowledge and explore independently (1) Explore the multiplication formula of 7 independently with the help of intuition 1. Observe carefully, what do you know? 2. How did you calculate the result so quickly? 3. How many formulas do you use to calculate the result? 4. How many sentences are there in the multiplication formula of 7, which ones? 5. Can you choose a formula, point to the theme picture, and talk about the meaning of the formula? ... ... (2) Discover the rules and memorize the formula 1. Who can not look at the blackboard and memorize the multiplication formula of 7? 2. Which formula is hard to remember? Take 3×7=21 as an example. 3. Who can think of a way to help him remember this formula? 3. Use formulas to consolidate practice and count. 7×4= 2×7= 3×7= 4×7= 7×5= 7×7=7×6= 1×7= 5×7= ​​the first Monday in January 2013 is number 7, the The second Monday is the ( ) number, the 21st is the ( ) Monday, and the 29th is the week ( ). ... ... Key words: multiplication in the table two courseware, multiplication formula of 7 courseware, new people's education version second grade first volume mathematics PPT courseware, second grade mathematics slide courseware download, multiplication in the table two PPT courseware download , 7's multiplication formula PPT courseware download, .ppt format For more about "7's multiplication formula ppt table multiplication 2" PPT courseware, please click the 7 multiplication formula ppt table multiplication 2 ppt label. "Use the multiplication formula of 7 to seek business" PPT courseware of multiplication and division in the table: "Use the multiplication formula of 7 to seek business" PPT courseware teaching objectives of multiplication and division in the table . 2. Further master the method of using multiplication formulas to seek business, and be able to correctly use the multiplication formulas of 7 to calculate relevant divisions. "Use the multiplication formulas of 7 to solve practical problems" PPT courseware for multiplication and division in the table: "Use the multiplication formulas of 7 to solve practical problems "Problems" multiplication and division in the table PPT courseware teaching objectives 1. Combined with specific situations, experience the process of discovering mathematical information, asking questions and solving them. 2. Can choose the mathematical information in the situation to ask questions, and can use the multiplication formula of 7.. The multiplication and division PPT courseware in the table of "The Multiplication Formula of 7": The multiplication and division PPT courseware in the table of "The Multiplication Formula of 7" Teaching Objective 1 .Experiencing the process of group cooperation summarizing the multiplication formula of 7. 2. Remember the multiplication formula of 7, and can use the formula to perform multiplication calculations. 3. Be able to actively participate in group cooperative learning and gain the experience of cooperating with others..