Maths practice for 10 year olds - page 46 of 63

Number of problems found: 1255

Expression: 4359
Substitute for variables and specify the value of the expression: a) x + y + 2x-3y. x = 1, y = 2 b) a + 5b-a + 4b. a = 8, b = -8 c) mn-5mn + 6mn. M = -3, n = -4 d) k + 10m + 5k-6m + 13km. k = 1, m = 0
Chocolates 4329
Three classmates, Michaella, Brielle, and Jana, received a box of chocolates, which contained 81 packages of sweets. Michaella ate a third of the candies and Jana a sixth of the rest. How many candies are left for Brielle?
Numbers 4328
What is the sum of the numbers in 2006?
Chocolate 4323
My mother bought chocolate for CZK 20, a jacket for CZK 412, a tracksuit for CZK 2,348, and bananas for CZK 12. How much CZK did she have left if she had 3001?
Equation: 4322
Solve the light equation: 2y + 3 + 3y = 3y + 2
Settle 4310
Karel owes Marek 70 euros, Marek owes Fér 100 euros, and Fero owes Karl 30 euros. When they settle their debts, how many euros will they have, more or less?
Student's 4287
Dorka had a total of 22 marks in her student book. She had three times less than three ones. She had only two doubles. How many units did Dorka have in the student's book, and how many threes?
Hello adding
Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1
Currencies 4276
The company makes payments of wages in the smallest possible number of currencies. How to pay 4 562 CZK, 5 438 CZK, 8 946 CZK, 3 319 CZK?
Originally 4271
A gardener bought 30 bags of tulip bulbs. Each bag contained bulbs of a different kind. The gardener wanted to have a colorful bed, so he took a bag of five bulbs from each. How many bulbs has he not yet planted when there were originally a dozen bulbs in
Three-quarters 4270
Veronika did her homework for precisely one hour. One-third of her time was devoted to mathematics, three-quarters to geography, and how many minutes did she spend on other subjects?
Bouquets 4264
The florist divided a) 4 b) 14 c) 18 d) 13 flowers into two bouquets so that each has the same number of flowers. How many flowers will be in each bouquet?
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.
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

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