Understanding of 1 and large numbers.

/kloc-how big is 0/100 million?

2, hectares and square kilometers.

3. Angle measurement.

Reasonable arrangement and scientific planning.

Review plan is the premise of review work, and making a review plan is an important guarantee to achieve the planned goals. Students who study well at ordinary times should be good at summarizing and consolidating their basic knowledge and skills by reviewing opportunities. Therefore, we should pay attention to imparting knowledge and work hard to cultivate their ability, so that their learning level can reach a new level.

Students with weak foundation should make full use of this review opportunity, pay close attention to the foundation, make the review in place, digest it in place, and strive for a substantial improvement after review. There is no best, only better. Let's spur ourselves and motivate ourselves.