1, mind map knowledge, understanding of large numbers (understanding, reading, writing, size comparison within 100 million, etc. ).
2. Mind mapping knowledge, hectares and square kilometers.
3. Mind mapping knowledge and angle measurement (about line segment, straight line, ray understanding, angle understanding, measurement classification and angle drawing).
4, mind mapping knowledge, three digits multiplied by two digits.
5, parallelogram and trapezoid mind map knowledge (including drawing vertical lines, rectangles and the distance from points to straight lines, etc. ).
6, mind map knowledge, divisor is the division of two digits (the test site has the most content, focus on mastering).
7, mind map knowledge, bar chart.
8. Mind mapping knowledge, mathematical wide-angle problems and optimization (mainly to understand the three practical application problems of making tea, making pancakes and racing in Tian Ji).