# Comparing - 5th grade (10y) - examples

1. Medicament
Same type of medicament produces a number of manufacturers in a variety of packages with different content of active substance. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 9 Eur. Pack 2: includes 150 pills of 500 mg of active sub
2. Fractions
Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
3. Opposite numbers
Calculate opposite numbers (additive inverse) to given ones:
4. Compare
Compare with characters >, <, =: 85.57 ? 80.83
How much and how many times is 72.1 greater than 0.00721?
6. Digits
Write the smallest and largest 1-digit number.
7. Buing
Brother got to buy 240 CZK and could buy for 1/8 what he wanted. Could he pay the rest of the purchase for 200 CZK?
8. Triangle
Determine if it is possible to construct a triangle with sides 28 31 34 by calculation.
9. Money borrow
Ms. Kate wants to borrow € 2,000. The company A will borrow ten installments of 240 euros and the first two months does not pay anything. Company B it their position in 12 installments of € 210. Which company has the more favorable interest rate for Ms. K
10. Building
Lenka has 22 cubes for the construction of building comprising three cubes in height, the width of two cubes, and the length of four cubes. Is she able to build an building with these cubes?
11. Angles
Which of those angles are obtuse?
12. Paper collecting
At the paper collecting contest gathered Franta 2/9 ton, Karel 1/4 ton and Patrick 19/36 tons of paper. Who have gathered the most and the least (x, y - write down the weights in tonnes).
13. Televisions
Television is the fifth most expensive and tenth cheapest TV. How many different TVs are in stores?
14. The door
The door to the apartment has a height 2 m and a width 80 cm. Calculate how many cm of sealing tape is needed to seal them. Will there be enough packaging in which there are 5 m tape (write 0 = no, 1 = yes)?
15. Ten fractions
Write ten fractions between 1/3 and 2/3
16. Triangles
Ivo wants to draw all the triangles whose two sides of which have a length of 4 cm and 9 cm and the length of the third side is expressed in whole centimeters. How many triangles does he have?

Do you have an interesting mathematical example that you can't solve it? Enter it, and we can try to solve it.

To this e-mail address, we will reply solution; solved examples are also published here. Please enter e-mail correctly and check whether you don't have a full mailbox.