# Examples for 7th grade (seventh)

#### Number of examples found: 1974

- Circle r,D

Calculate the diameter and radius of the circle if it has length 26.59 cm. - Decomposition

Make decomposition using prime numbers of number 155. Result write as prime factors (all, even multiple) - Beer

Which beer is better to drink: small beer (0.3 L) for 0.67 € or large (0.5 L) for 1.81 €? - Divide 5

Divide 288 in the following ratio 3 : 4 : 5 - Pound2kilos

How many pounds make 1 kilograms? - Rhombus 29

One of the diagonals of a rhombus is equal to a side of the rhombus. Find the angles of the rhombus. - Trapezium 2

Trapezium has an area of 24 square cms. How many different trapeziums can be formed ? - Reservoir

6 m long reservoir has a diameter of 2.2 m. What is its surface area in square meters? - Common divisors

Find all common divisors of numbers 30 and 45. - Counting number

What is the smallest counting number divisible by 2,5,7,8 and 15? - Tank

How many minutes does it take to fill the tank to 25 cubic meters of water filled 150hl per hour? - Rape

The agricultural cooperative harvested 525 ares of rape, of which received 5.6 tons of rape seeds. Calculate the yield per hectare of rape. - Potatoes

Potatoes contain 78.6% starch. How many potatoes need to obtain 27 kg of starch? - Unknown number

I think the number. I'll reduce it to its one-third. The result is then increased by one-third, and I get the number 12. - Distance of numbers

Which number has the same distance from the numbers -5.65 and 7.25 on the numerical axis? - Playground

Fencing square playground cost € 464; 1 meter cost € 19. What is the area of the playground? - Geometric plan

At what scale the building plan if one side of the building is 45m long and 12mm long on a plan? - Circle simple

Circumference of a circle is 6.28. What is the area of the circle? - Clocks

How long track travel the second hand in 46 hours, the end of which is 4 cm long. - Radius

Determine the radius of the circle, if its perimeter and area is the same number.

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