Tasks to Calculate Who's Complete Zero in Mathematics

In an era when every mobile device has a calculator, the ability to count seems to have lost its importance. But it doesn’t just help us plan our budget and make good purchases. Verbal counting is also a great training of thinking. And our entertaining math assignments will help determine whether readers have forgotten how to do this without the ubiquitous electronic assistants.



Interesting math assignments

1. Calculate the sum of all integers from 0 to 100
   5,000.
   - 5050
   10,500.
2. What's 20% of 2?
   10.
   - 0.04
   - 0.4
   
   
   
3. How much is 5 in a cube multiplied by 2 squared? Thanks to mathematical secrets and tricks from "Site" Your child will be able to love the queen of sciences, and multiply and divide in his mind will become easier!
   500.
   60.
   30.
4. What is (2 + 3) (5-6) * 3 + 2?
   17.
   - (-13)
   30.
5. The side of the square is 12. Find his square and perimeter.
   - 144 and 48
   - 164 and 48
   
   
   
6. How many milliliters of water is placed in 2 and 1/4 liters?
   2250
   - 2,500.
   2050.
   
   
   
7. What is the cubic root of 343?
   17.
   13.
   7.
8. Determine the view of the quadrangle, the tops of which are in the middle of the sides of the rectangle
   - diamond
   - square
   - rectangle
9. The TV cost 9600 rubles. After a while, the price was reduced to 8400 rubles. By what percentage has the price been reduced? If you find it difficult to answer, check out our article on small mathematical life hacks related to calculating interest.
   - 5.5%
   - 10%.
   - 12.5%
   
   
   
10. How many times is 18 hectares more than 8 acres?
    22.5
    25.
    225
11. What number is divided by 7 without a remainder?
    - 84
    - 86
    - 88
12. Bread costs 23.80 rubles, and chewing gum 1.70 rubles. How much cheaper is chewing gum?
    - 13 times.
    - 14 times.
    15 times.
    
    
    

Answers.

1. The correct answer is 5050. Of course, it can be found by successive addition of all numbers. But, as we said, verbal counting is a training of thinking. So we will try to find a more elegant solution.
   
   
   
   Divide the numbers into pairs: 1+100, 2+99, 3+98... We have 50 pairs, the sum of each of which is 101. 50*101=5050
   
   
2. 0.4
3. 500.
4. -13
5. 144 and 48
6. 2250
7. 7
8. diamond
9. 12.5%
10. 225
11. 84
12. 14 times

We often resent the fact that school does not teach at all what is useful in real life. But a well-educated person will never get lost in a difficult situation and will be able to find a way out of it.