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Answered on 06/08/2019 Learn Mathematics
Shashi Bhushan Mishra
Ambitious,enthusiastic and excellent classroom practitioner.Senior Physics and Chemistry Faculty.
Lesson Posted on 04/04/2017 Learn Mathematics
Class 5 Plave value puzzle and LCM
Rama D.
I am an experienced female maths tutor taking online and offline maths tuition classes from vi to xii...
My methodology is by doing more worksheets maths will become simple and also the child will get used to the time frame and speed and accuracy which gives the child confidence and subsequnetly scoring more marks.
5
Answered on 12/08/2019 Learn Mathematics
Harsh Goyal
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Lesson Posted on 17/03/2017 Learn Mathematics
Amrtha
What are the strategies to calculate mental math addition?
The tricky strategies to calculate addition mentally in your head is an important part in mathematics. Year-by-year practicing will help us to learn how to use mental math tricks or techniques in an appropriate way.
Tips: Practice whenever you get free time in school, at work, etc.,
There are some skills, which are used to solve the questions of addition easily and conveniently. Use mental math strategies to calculate addition to sharpen your mental maths skills.
Here are some examples in which mental math addition skills are used
Problems to calculate mental math tricks for addition:
1. Add 4 + 8 Solution: 4 + 8 = 8 + 4 4 + 8 = 8 + I, I, I, I = 8, 9, 10, 11, 12 Therefore, 4 + 8 = 8 + 4 = 12 |
Instead of adding 8 to 4, 4 is added to 8 as 4 + 8 = 8 + 4. While calculating mentally, we go to count four numbers ahead. |
2. Add 5 + 17 Solution: We know that, 5 + 17 = 17 + 5 So, 17 + (I, I, I, I, I) = 17, 18, 19, 20, 21, 22 Therefore, 5 + 17 = 17 + 5 = 22 |
Instead of adding 17 to 5, 5 is added to 17 as 5 + 17 = 17 + 5. While calculating mentally, we go to count five numbers ahead. |
3. Add 8 + 5 + 3 Solution: 8 + 5 + 3 = 8 + 3 + 5 = 11 + 5 = 16 Therefore, 8 + 5 + 3 = 8 + 3 + 5 = 16
| Instead of adding 8 + 5 + 3 we arrange the numbers as 8 + 3 + 5 then, 8 + 3 = 11 and 11 + 5 = 16 |
4. Add 70 + 40 Solution: 70 + 40 = 110 |
Only the digits at ten’s place are added, if the numbers are the multiples of 10. Zero is placed at one’s place in the addition result. |
5. Add 60 + 35 Solution: 60 + 35 = 60 + 30 + 05 = 90 + 05 = 95 Therefore, 60 + 35 = 95 |
Numbers are split in tens and ones. Sum of tens and sum of ones are added. |
6. Add 67 + 43 Solution: 67 + 43 = (60 + 7) + (40 + 3) = 60 + 40 + 7 + 3 = 100 + 10 = 110 Numbers are split in tens and ones and then do addition. |
or, 43 100 (60 + 40) Sum of ones and sum of tens both are added. |
7. Add 39 + 53
Solution:
39 + 53
= 39 + 1 + 53 – 1
= 40 + 52
= 92
The above tricky strategies will help us to calculate mental math addition to sharpen the math skills to perform easily.
read lessLesson Posted on 21/02/2017 Learn Mathematics
Amrtha
Exponential Form = 100 = 102,
where 2 is the power of 10.
Laws of exponents:
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Answered on 31/12/2016 Learn Mathematics
Educa Academy
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Answered on 27/10/2016 Learn Mathematics
Educa Academy
Lesson Posted on 13/09/2016 Learn Mathematics
Dheeraj Badonia
First thing i would like to say that once i take ur responsibility i will work with u till ur fulfilment...
Its understanding of urs about the maths that matters a lot.
There are some learning tips which helps you a lot.
1. Be relaxed and dont take too much tension.
2. Try to learn concept first and then think over it .
3. Write formulaes of maths in a A4 sheet and paste in your bed room and recall all while taking rest.
4. Do as much practice u can .
So these r some of the basic tips which will help you to stand out the tough.
read lessAnswered on 30/08/2016 Learn Mathematics
Hanamant Kullur
Stock Market Trader & Trainer with 11+ Years Experience
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Answered on 17/07/2023 Learn Mathematics
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