Maths practice for 10 year olds - page 47 of 67
Number of problems found: 1327
- Star equation
Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗ - Children's 4261
An adult costs a ticket 6e; the teacher paid for herself and ten children, only the children's ticket cost half price. How much did she pay for herself and the children? - Company account
The company had an account of EUR 10,000. On Monday it withdraws 3,000 euros and Tuesday 6,000 euros. How much did the euro remain in the account? - Christmas trees
The salesman sold Christmas trees: spruce for € 22, pine for € 25, and fir for € 33. In the morning, he had the same number of spruce, fir, and pine. In the evening, he had all the trees sold for € 3,600. How many trees does the day salesman sell? - MO-Z5-3-66 tiles
The picture shows square tiles with a side of 10 dm, composed of four identical small rectangles and squares. The circumference of a small square is five times smaller than the circumference of the entire tile. Determine the dimensions of the rectangle. - Unfortunate 4243
The unfortunate landowner had 49 ducats more than Jurosik. How many ducats did Jurosik steal from the landowner if he now has five ducats more than the landowner? - The bag
Nelly found an interesting point. An empty bag weighs 4 kg less than the full. An empty bag is five times easier than a full. How many kg weigh things in this bag?
- 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 4175
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? - Substituted 4151
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? - Length 4109
The gym is 16 m wide and has an area of 384 m². Find its length.
- 9-year-old 4103
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 - Together 4071
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? - Poplars 4066
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 4055
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)
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