Maths practice for 10 year olds - page 15 of 63
Number of problems found: 1249
- Quadrilateral 73034
Calculate the volume of the flowerpot in the shape of a quadrilateral prism and how many 20 l packages of soil need to be bought to fill it: dimensions: a = 30cm, height b = 40cm, length c = 120cm. - Equation: 72584
Find the solution of the equation: 2x: 8 = 3 ÷ 4, where x is an integer. - Unknown 72284
The unknown number is twice less than 80 - Descending 71524
The depth of the Mariana Trench is 11,034 meters. Jacques Piccard and Don Walsh with 23.1. 1960, when descending to the bottom of the Marian Trench, they found it at an altitude of - 10,920m. n.m. How many meters did they have to go down to the bottom of - Treasury 71514
Ondro went on a trip. Because he forgot his money at home, he borrowed 25.50 euros from Zuzka. He has 22.70 euros at home in the treasury. Can he settle his debt? Will he be left with debt or cash? - Find error in calculation
Sally's calculations are as follows 39-9×4+12 =30×16 =480 What are the errors in this calculation? - Dimensions 70854
The building plot has a shape with dimensions of 28 m and 34 m. Mr. Black built a house on it with 920 cm and 1250 cm dimensions. Calculate the area of the plot. How much of the plot does the house occupy? How many square meters of land does Mr. Black hav - Freezer 70664
There are a total of 38 ducks in the freezer. Of these, 24 weigh more than 1.2, and 22 ducks weigh less than 1.5. How many ducks weigh more than 1.2 and less than 1.5 kg? - A machine 2
A machine shop ordered the following amounts of cold, rolled steel: 1714 lb., 597 lb., and 1043 lb. How many pounds of steel were ordered? - Bulletin board
Tripp and Paul are using yellow craft paper to cover a bulletin board. The board is 11 feet wide and 7 feet tall. The craft paper comes in a roll that is 1 yard wide. They can roll it out and cut it to any length, but the paper will always be 1 yard wide. - Diameter 70154
The convoy of cars at the border crossing was 1 km and 320 m long. Each car occupied a diameter of 6 meters. How many cars could be in the column? - Temperature 69594
At the ski training, they measured a temperature of -15 degrees Celsius on the day of arrival. The next day it warmed by 7 degrees Celsius. How many degrees was the next day? - Needed 69374
How many square tiles with an edge of 10 cm are needed to line a wall 2.4 m long to a height of 1.6 m? - Smallest 69294
What number do you get when you add the number 1 to the sum of all prime numbers less than 30 and then divide by the smallest odd prime numbers? - Grass seed
Pearl wants to buy grass seed to cover her whole lawn with dimensions 7 x 11 meters, except for the pool. The pool is 5 3/4m by 3 1/2 m. Find the area the grass seed needs to cover. - Thirteen 68474 I think the number. From its thirteen times, I'll subtract 97 and get the number 46. What number do I think?
- Aquarium - water level
The aquarium measures 40 cm, 40 cm, and 50 cm. The water reaches 45 mm from the upper edge. Norbert bought the fish, and when he put them in the aquarium, the step level was 0.5 mm. What is the volume of new fish? - Extraordinary 67214
On January 1st, Stefan had 2156 euros in his bank account. He deposited 25 euros into the bank every month. In July, he made an extraordinary deposit of 1,520 euros; in September, he withdrew 987 euros. What is the account balance on December 31st? - Liberec 67194
What time does the driver have to leave Liberec to be in Jihlava (240 km away) at 11 o'clock if he drives at an average speed of 80 km per hour? - A piece 4
A piece of dry ice is in the shape of a cube with edge lengths of 7cm. Find the surface area of the dry ice.
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