1, you shoot one, I shoot one, ten MINUS nine, and the minuend adds 1.
2. You fired two shots. I want two, subtract eight from a dozen and add two from the minuend.
3, you shoot three, I shoot three, more than ten MINUS seven, plus three when subtracting units.
4, you clap four, I clap four, ten MINUS six, MINUS the number of digits and add four.
5, you shoot five, I shoot five, ten MINUS five, plus five after being subtracted.
6. You shoot six, I shoot six, ten minus four, minus one plus six.
7. You shoot seven, I shoot seven, ten minus three, minus one plus seven.
8. You clap eight, I clap eight. Subtract two from ten, and add eight when you are subtracted.
9. You shoot nine, I shoot nine, and ten MINUS ten is the simplest calculation.
10, you shoot ten, I shoot ten, and the method of abdicating and breaking ten is often used to try more.
The Significance of Breaking the Ten Laws
Decimal method is a mathematical calculation method, that is, when the number of digits is not reduced enough, subtract 10 by subtraction and add the remainder to the number of digits, that is, decimal method. Proficiency is of great benefit to calculation. When children's computing ability is outstanding, other subjects will also be well affected, so that children can establish learning confidence and help improve their grades.
In fact, learning the method of breaking ten is just to understand the principle of the algorithm. In the later calculation, especially in the later vertical operation, if we still use the method of breaking ten, the speed will be too slow. When you are proficient in breaking the ten laws, you should forget to break the ten laws, but reach the level of seeing the results directly.
That is, the ultimate goal of a child is to know how to break ten, but it is not necessary to break ten when calculating, just look at the formula and report the numbers directly!