Fast Mental Math Tricks (Part 4)- For Grade 1 to Grade 4 Students| Fast Math | ABC Tube TV

Hello friends, welcome back once again On your own YouTube channel ABC Tuyg TV In today's video, we're talking about clichés. We will learn a new technique for mental calculation. So today's video, we will learn how As my first cousin is Forty Plus Nine If you tell children that Tell me what will happen if you mix Fortin Plus Nine. If I don't teach children the technique of mentally adding nine So how will the children jump? 15, 16, 17, 18, 19, 20, 21, 22, 23 Answer is 23 It will take them some time to handle this urgently. So in today's video, we will learn how Nine with any number How is mental illness treated? As we have already learned in our previous Mental Math video that tan with any number It is very easy to get angry. The technique we have today What will we do in it? Whatever our number is In it, we nine, without even a single step forward So if we add 10 in 14 So we will take it ourselves. We were supposed to add 9, and we added 10. So what do we need to do? The answer has come. In our number To tan the heels And from the answer that comes, we will subtract one. This is 66; if we add 10 to 66 So we can directly state 76 minus 1 answer is 75 If 10 ads were made in 97 It's very easy to add 10 in 97 107 minus one answer is 106 We will add 10 AD in 206. So we will get 216 minus one, which is 215. 417 minus one answer is 426 Added 10 AD in 525 So we will get 535 minus one answer is 534 Even easier way How can we add 9? The number that is in the tens place We need to add 1 ad to it. And whatever number is in the unit place We need to subtract 1 from it. So, in 200, the digit in the tens place is 0. One ad added And the digit in the unit place is 3. Subtract 1 from this Then we will get 2 Answer is 212 We do it. Whatever number is in the tens place in our case We will add 1 ad to it. And the number at the unit place In it, we have 1 minus So, what will our answer be? So this was our video for today That which has taught us In any number, the digit 9 we How do you advertise on Mentally? If you liked this video, then Like my channel Like and subscribe If you liked this video, then Like my channel Like and subscribe