Current location - Training Enrollment Network - Mathematics courses - How to write if the column of the second grade mathematics is more than 20 questions vertically?
How to write if the column of the second grade mathematics is more than 20 questions vertically?
If you add more than 20, write 2 directly on the carry.

Let me give you an example:

5? +? 8? +? 9?

=? 13+? 9?

=? 22

Vertical as shown in the figure:

Related articles
  • How much is the tuition for several people in the dormitory of Chengdu Medical College?
  • Methods and thinking of solving equations in fifth grade mathematics
  • What is a summation formula?
  • Why can't Spider-Man movies be recorded?
  • What is the difference between surveying and mapping and mathematical coordinate system?
  • What exercise is better to write in the second compulsory course of senior high school mathematics?
  • One problem and multiple problem solving sets
  • Teaching reflection on finding the greatest common divisor: 5 articles

    Teaching reflection on finding the greatest common factor 1

    In Teaching Example 3, square pieces of paper with side l

  • Why can a 25-year-old fresh doctor be a doctoral supervisor in 985 university?
  • Why did mathematics originate in ancient Babylon?

    • copyright 2024 Training Enrollment Network All rights reserved