I. Numbers and Algebra (27%)

1, the concept of number and the mutual application between concepts (14%)

Such as: reading and writing decimal, integer and multi-digit; Approximation of decimal integer; Classification, abbreviations, etc. Decimal.

2. Measurement of quantity (1%)

Mainly the conversion of area and weight unit.

3. The relationship between decimals, fractions, ratios, divisions and percentages; Basic concepts such as percentage, meaning of score and percentage (5%)

4. Positive and negative numbers. Fill in the number axis or read the thermometer to present it. (2%)

5. Divisible number (3%)

Concepts related to divisibility of numbers, greatest common factor, least common multiple, factorization prime factor, etc. For example: A = 2x3x5B = 2x3x5 Find the greatest common factor and the least common multiple of A and B.

6. Fill in the blanks according to the rules. ( 1%)

Mainly the Bibi series.

7. Use number pairs to express the positional relationship, combined with geometric knowledge (1%-2%)

Second, the number of operations (30%)

1, oral calculation (6%)

2. Calculation of parting (12%)

3. Find the unknown x or solution ratio (6%).

4. The column comprehensive formula (6%) detects the significance of elementary arithmetic and the relationship between the parts.

Three. Possibility (1%)

Generally speaking, the possibility is expressed by numbers according to the turntable or stock.

Four. Rotation and translation (2%)

It is required to make a figure rotate at a fixed point, direction and angle.

Verb (abbreviation of verb) ratio and proportion (12%)

1, positive and negative ratio judgment, simplified ratio, ratio (3%)

Simplifying ratio and seeking ratio are expressed by the relationship between the names of the parts of division and ratio.

2. Scale (6%)

Calculate the proportion according to the drawing distance and the actual distance (1%)

By drawing, measuring data and scaling the actual distance (making line segments-measuring the actual distance), the number of whole centimeters is measured.

3. Calculate the ratio of solution (1%)

4. Use the knowledge of ratio and proportion to solve practical problems in life. ( 1%)

For example, we know the ratio of the speed of A in two people's trips to the distance traveled when the trips meet, and find the speed of B.

VI. Space and Graphics (1 1%)

1, geometric concept. Concepts such as point, line, surface, parallel, vertical, surface area and volume (3)

2. Calculate the surface area and volume of the object (2%)

Flexible use of calculation methods to solve practical problems. Such as calculating the volume of irregular objects. (Put an object in water to get it)

3. Calculate the area according to the chart and solve practical problems. (6%)

Seven. Statistics (6%)

This paper mainly investigates the observation, analysis and comparison of statistical graphs, the calculation and arrangement of data, and the function of each kind of statistical graphs. Focus on the fan chart.

Eight, solve the problem (20%)

1, more complicated problem (5%)

2. Variant of the problem (5%)

3. Interest (1%)

4. General application problems (1%)

For example, if a number or b number and the difference between a number and b number are known, find the sum of these two numbers. Available line graph analysis.

5. Apply what you have learned and solve problems in real life (5%), such as taxi billing.

6. Compensation in medical insurance. (5%)

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