1, identification of ipsilateral equipotential angle, internal angle and internal angle.
2. Conditions for two straight lines to be parallel
7.2 Explore the essence of parallel lines
1, the properties of parallel lines
2, the nature of parallel lines and the difference between the conditions of parallel lines.
7.3 Graphic Translation
1, graphic translation
2. The basic nature of translation
3. Translate drawings
4, the distance between parallel lines
7.4 Understanding Triangle
1, related concepts of triangle
2. Classification of triangles
3. Trilateral relationship of triangle
4. The bisector and midline of a triangle.
7.5 Sum of internal angles of triangle
1, application of triangle interior angle theorem
2. The application of the properties of triangle external angles.
3. The sum of the inner and outer angles of a polygon.
8. 1 Multiplication of the same radix power
1, the meaning of same base powers.
2, the same base power multiplication law
8.2 the power of and the power of products
1, the meaning of power
2, the law of power
3, the meaning of power products
4. Law of product force
8.3 Division of powers with the same base number
1, the derivation of same base powers's division rule
2. The division rules of the same radix power.
3. The significance of zero exponential power and negative integer exponential power
4. Generalization of the operation attribute of power.
5. Use technology to represent numbers with smaller absolute values.
9. 1 single item multiplied by single item
1, exploration of monomial multiplication rule
2, the law of monomial multiplication by monomial
9.2 Polynomial multiplied by monomial
1, explore the law of polynomial multiplication with monomial
2. Multiplication law of monomial and polynomial
9.3 Polynomial Multiplication Polynomial
1, Polynomial Multiplication Polynomial Rule Exploration
2, the rule of polynomial multiplication polynomial
9.4 multiplication formula
1, complete square formula
2. Square difference formula
9.5 Re-understanding of Polynomial Multiplication Law with Mononomial Factorization (1)
1, the significance of factorization
2, factorization method-common factor.
9.6 Re-understanding of multiplication formula-factorization (2)
1, factorization-using formula method
2, factorization steps
10. 1 binary linear equation
1, the concept of binary linear equation
2, the solution of binary linear equation
10.2 binary linear equations
1, some concepts of binary linear equations
2. Test whether a pair of values is the solution of a binary linear equations.
10.3 for solving binary linear equations
1, the method of solving binary linear equations-substitution elimination method
2. The solution of binary linear equations-addition, subtraction and elimination.
10.4 solving problems with equations
1, the significance of solving application problems with equations (groups)
2. List the general steps of solving application problems with binary linear equations.
1 1. 1 congruent graph
1, congruent graph
2, the nature of congruent graphics
3, geometric transformation and congruent graphics
1 1.2 congruent triangles
1, congruent triangles and its corresponding elements.
2. The nature of congruent triangles
1 1.3 Explore the conditions of triangle congruence
1, corner edge
2. Corners and corners
Step 3: Side by side
4, hypotenuse, right angle edge
5, the nature of the angle bisector
6. Stability of Triangle
7. Construct congruence lines of two triangles as auxiliary lines.
12. 1 census and sampling survey
1, Census and Sample Survey
2. Significance of population, individual and sample
12.2 Selection of statistical charts
1, pie chart
2, choose the appropriate statistical chart
12.3 frequency distribution table and frequency distribution histogram
1, frequency and frequency
2. Column frequency distribution table
3. Histogram of frequency distribution
13. 1 certainty and uncertainty
1, confirm the event
2. Random events
13.2 possibility
1, the possibility of random events
2. Probability
3, the relationship between test frequency and probability