Maths practice for 10 year olds - page 49 of 64
Number of problems found: 1267
- Egg cooking
Cooking one egg takes 4 minutes. How many minutes does it take to cook four eggs? - Waste removal
The family house residents pay for a 120-liter plastic container for waste per week. How much waste do I produce per year? How much will they pay annually for its removal if their garbage is taken out once a week and one removal costs 3.32 euros? - School scores
Dorothy had a total of 22 scores in her school book. She had three times less score 1 than score 3. She had only two scores 2. How many scores, 1 and 3, did Dorothy have in her school book? - Seedling standard
Three gardeners planted 3,555 seedlings in one day. The first met the standard. The second exceeded the standard by 120 seedlings and the third by 135 seedlings. What was the daily norm? - Number puzzle
The difference between five and three times the number, what I think, is three greater than this number. What number do I think? - Age puzzle
When asked how many years he has, Jeníček answered: In 12 years, I will be four times as many years as I had 12 years ago. How old is Honza? - Side of a square
What is the length of the side of a square when its area is 64 cm square? - Brass sculpture
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? - Parts production
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? - Screw production
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? - Fraction difference
How much is 1/3 bigger than 1/9? - Fence of the garden
The garden has dimensions of 5 m and 400 cm. How many meter meshes are needed for fencing the plot? - Charity donation
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 construction
Build a rectangle of MNPO if: a) (MN) = 8 cm, (MP) = 10 cm b) (PQ) = 6 cm and angle PQM = 30 ° c) (NP) = 9 cm, (PM) 8 cm - 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? - Square perimeter
Calculate the perimeter and area of a square with a side length of 1.3 dm - Schoolyard fence
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? - Expression value
Determine the value of the expression 3x / 2 - 5/2 - 0,5x + 1 for x: a) x = 3 b) x = -3 c) x = 0 - Expression value
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?
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