Graphic transformation, factor and multiple, cuboid and cube, meaning and nature of fraction, addition and subtraction of fraction, wide angle of statistics and mathematics.

Review points:

1, factors and multiples, prime numbers and composite numbers, odd numbers and even numbers, the characteristics of multiples of 2, 3 and 5, and the comprehensive application of these knowledge to solve practical problems.

2. The meaning and basic properties of the score, and the application of the basic properties of the score to solve practical problems, skillfully reduce and compare the scores, and turn false scores into fractions or integers and the reciprocity of integers and decimals.

3. Find the greatest common factor and the least common multiple of two numbers.

4. The significance and calculation method of fractional addition and subtraction, and the operation law of integer addition and subtraction is extended to fractional addition and subtraction.

5. The meaning and measurement unit of volume and surface area can be converted between units, the calculation method of surface area and volume of cuboid and cube, and the calculation of surface area and volume of some physical objects in life.

6. Draw an axisymmetric figure on the grid paper and rotate the simple figure by 900.

Review difficulties:

1. Rotate a simple graph 90 degrees on the grid paper.

2. The practical application of the significance and basic properties of the score.

3. Measurement and calculation of the surface area and volume of some physical objects in life.

4. The operation law of integer addition and subtraction is extended to decimal addition and subtraction. (especially the application of subtraction properties)

5. According to specific problems, choose appropriate statistics (mean, median and mode) to represent different characteristics of data.

6. Make a reasonable analysis of the data in the statistical chart.

I hope I can solve your problem.