单元名称 七`三角形的全等（Unit name seven ` triangle congruence）.docVIP

单元名称 七`三角形的全等（Unit name seven ` triangle congruence） When I read, I would like to stay in front of every good thought, just like staying in front of every truth. - Emerson Dongxing junior high school 92 school year second semester of the second grade mathematics teaching activity design Teaching session: 12 sections Cell name Seven, the congruence of triangles Teaching date 5/17~6/4 Teaching material source Hanlin version Teacher Teaching hours Twelve month day Section Teaching emphasis Five 17-19 Three Understand the meaning of congruent triangles Five 21-25 Three Can understand the triangle SSS mapping method and the congruent properties of triangle SSS Can understand the triangle SAS mapping method and the congruent properties of triangle SAS Five 27-31 Three Can understand the triangle SSA mapping method and the triangle SSAs non congruent property Can understand the triangle RHS mapping method and the congruent properties of triangle RHS Six 2-4 Three Can understand the triangle ASA mapping method and the congruent properties of triangle ASA Can use ruler gauge operation, basic drawing Teaching preparation Straw, tongs, scissors, compasses, rulers Congruent triangular cardboard Teaching resources Right angled triangle foam magnet Large buckle (a set) Soft magnet Ten basic capabilities Important issues Two, appreciation, performance and innovation Four, expression, communication and share Five 、 respect, care and team work Seven, planning, organization and Practice Nine, active exploration and research Ten 、 independent thinking and problem solving [gender education] 2-2-2 respects the opportunities of equal expression in the process of communication between the two sexes. 2-2-4 learn to work together in groups to solve problems. 2-3-6 enhances the ability of both sexes to share and exchange information. Segmentation capability index S-3-5 can solve problems by using the nature of the form. S-3-11 can manipulate the combination of transformations between graphs.