Maths practice for 10 year olds - page 47 of 64
Number of problems found: 1271
- Division
Which number in division 16 gives 12 and the rest 3? - Rectangular plot
The rectangular plot has sides 20m and 28m long. Calculate the area of the rhizome and find out how long the longer side of the plot with the same area must be if the shorter side is 16 meters long. Also, calculate the length of the fence around each rhiz - Unknown number 16 My number's tens are three times more than the ones. My number's ones are twice the number of thousands, and my number's hundreds are half the number of tens. I have two ones. Which number am I?
- Apartment cost
The municipal office sold four identical flats and earned CZK 864,000 for them. How many crowns did one apartment cost? If the family repaid CZK 2,000 a month, would they repay this apartment in 10 years? - Granddad
Grandfather has three barrels, each with a capacity of 2 hectoliters, in the garden. If two barrels are full and the third is filled with water to the half, how many times can he fill 10L? How long does water take to irrigate the garden, 125 liters a day? - Letter puzzle
Find out what numbers need to be substituted for the letters X, Y, and Z to have the following relation: XZY + XYZ --------- YZX - Apples 5
In six crates are 45 kg of apples. Five crates were the same amount, and in the sixth crate were 3 kg more apples. How many kilograms of apples were in each crate? - Gym length
The gym is 16 m wide and has an area of 384 m². Find its length. - Medicine dosage
The package leaflet for the patient states that the medicine contains 7.5 mg of salt per ml solution (1 ml = 15 drops). The dosage of the drug for children is up to 4 years - maximum of four drops, from 4 to 10 years - 5 to 10 drops, and over 10 years - 1 - Family savings
A family of four saves. The father saved 530 CZK per month, the mother 230 CZK less than the father, Tomáš 275 CZK less than the mother, and Jana 20 CZK more than Tomáš. How much CZK did the family save together in 1 year? - Poplar count
Poplar alley is 300 m long, and the trees are 6 m apart. How many poplars are in one row? - Book
Jitka read a book that has 180 pages on holidays. In the first week, read 45 pages. She read 15 pages more in the second week than in the first. How many pages are left to read it yet? - Equation test
Solve the equation and perform the test: a) 3 (5-2x) + 5x = 5 -3 (x -1) b) 2 (4y + 3) -3 = 2 - 5 (1 - y) - Zero summand
I am the first of the census in the example. When you add me to the second summand, the sum equals the second summand. Which number am I? - Egg boiling
One egg is boiled for 5 minutes. How many minutes will five eggs be cooked? - Word learning
Karel decided to learn the selected words gradually. On the first day, he learned 2 times more than the fifth; on the second day 3, times more than the first; on the third day 1, time more than the first; on the fourth day 5, times more than the third; an - Passenger changes
1. At the fourth stop, 56 passengers boarded and disembarked. Find out if the number of passengers has increased or decreased in total. And by how much? 2. 37 passengers boarded at the fifth stop. A total of 8 passengers were lost at the fifth stop. How m - Tree planting
They planted 50 rows of 100 trees in the forest nursery. Of the total number of saplings planted, one-half was spruce, two-quarters of the rest were fir, and the rest were pine. How many spruces, firs, and pines did the foresters plant? - Scrap collection
Pupils collected 3,740 kg of scrap iron, 140 kg more than nine times what Palko himself collected. How much scrap did Palko collect? - Set subsets
Identify all subsets of sets: {3,5,8}, {1,4}, {0}, empty set. Write down the number of subsets.
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