# 5th grade (10y) + expression of a variable from formula - examples

- Tereza

The cube has area of base 225 mm^{2}. Calculate the edge length, volume and area of its surface. - Theater

The theater has in each row with 19 seats. Ticket to the first 10 rows is for 30 USD. In next rows is for 15 USD. The theater was completely sold out. Revenue was 12255 USD. How many rows are in the theater? - Playground

Rectangular playground is fenced with 38 m long netting. Its width is 7 m. Calculate its length. - Floor

Rectangular floor of living room has a length 5.4 meters and a circumference 17.2 meters. What is its width? - MO-Z5-3-66 tiles

The picture shows a square tiles with side 10 dm which is composed of four identical small rectangles and squares. Circumference of small square is five times smaller than the circumference of the entire tile. Determine the dimensions of the rectangle. - Value

Determine the value of the following exspressions: a) (23-25)·(4-5) b) (97-123):(18+8) - Perimeter from area

What is the perimeter of the square if its content is 64 cm^{2}? - Apples 5

In six crates are 45 kg of apples. In five crates were the same amounth and in one crate was 3 kg of apples more. How many kg of apples were in each crate? - Euros

Peter spent a quarter of his pocket saving. He has 9 euros now in his wallet . How many euros spent? - Wine

A bottle of wine costs 21 euros; and wine is 20 times more expensive than a bottle. How much a bottle cost? - Bread to kilos

They brought in d two kilos and t three kilos of bread to the store. By the end of the day, 14 two-kg bread were sold. How many kilos of bread remained in the store by the next day?

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