Maths practice for 10 year olds - page 50 of 63
Number of problems found: 1255
- Side of a square
What is the length of the side of a square when its area is 64 cm square? - Sculpture 3215
Brass is an alloy of copper and zinc in a ratio of 3 to 2. How much copper and zinc does a sculptor need to make a brass sculpture that should weigh 15 kg? - Produced 3213
Workers produced 12,500 pieces of parts in three days. On the second day, they produced 200 pieces less than on the third day, and on the first day, 350 pieces more than on the 2nd day. How many do they make each day? - Material 3207
How many screws can we make from a rod whose weight is 3 3/4 kg if the weight of the screw is 3/16 kg and we count 3/20 of the material? - Bigger 3204
How much is 1/3 bigger than 1/9? - Fence of the garden
The garden has dimensions of 5m and 400cm. How many meter meshes are needed for fencing the plot? - Cross-country 3192
The Horsky cross-country race track on Lysá hora measures 9.7 km. For every meter, Pavel donates 50 pennies to charity. How many pennies does Paul give when he runs the whole track? - Rectangle 3173
Build a rectangle of MNPO if: a) (MN) = 8cm, (MP) = 10cm b) (PQ) = 6cm and angle PQM = 30 ° c) (NP) = 9cm, (PM) 8cm - Crazy week
What doesn't apply to him if the month is 31 days and five Mondays? A-5 Saturday B-5 Sunday C-5 Tuesdays D-5 Wednesday E-5 Thursdays? - Calculate 3169
Calculate the perimeter and area of a square with a side length of 1.3dm - Schoolyard 3158
The schoolyard is rectangular. Inside, a football field is 50 m long and 20 m wide. There is a 2 m wide racetrack around the course. How many meters does the fence measure around the entire schoolyard? - Simultaneously 3157
The first machine closes 65 closing bottles per minute. The second machine closes five bottles less at the same time. How many minutes will both machines close 2,500 bottles if they work simultaneously? - Expression 3143
Determine the value of the expression 3x / 2 - 5/2 - 0,5x + 1 for x: a) x = 3 b) x = -3 c) x = 0 - Variables: 3140
Determine the value of the expression 3a + 2b - a² - 4b² for the values of the variables: a) a = - 1, b = 3 b) a = 2, b = -1 c) a = -2, b = -3 d) a = 4, b = 2 e) a = -5, b = 0 - Granite cube
What is the weight of a kilogram granite cube with an edge of 0.5 m if 1dm³ of granite weight 2600 g? - Pohádkov 3118
The brothers live in a small house with a garden in Pohádkov. The house has four times more windows than doors. There are a total of 20 windows and doors in the house. How many windows and how many doors? - Napkins
Viera and Darina exchanged napkins. Always three yellow for four red napkins. How many yellow napkins will Viera receive for 24 red napkins? - The book
The book has 280 pages. Each side is a rectangle with sides of 15 cm and 22 cm. a) how many leaves have the book? b) at least how many square meters of paper should be used to produce this book? - Block-shaped 3062
A block-shaped aquarium with 35 cm and 26 cm bottom dimensions is poured with 18.2 liters of water. How high is the water? - Block-shaped 3059
Calculate the volume of a block-shaped water tank with dimensions of 6.5 m, 4.8 m, 2.8 m
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