# Natural numbers - 5th grade (10y) - math problems

#### Number of problems found: 73

• Mistake
Nicol mistake when calculate in school. Instead of add number 20 subtract it. What is the difference between the result and the right result?
• No. 215
From the number 215 we can create a four-digit number that among its numbers manually type any other digit. Thus, we created two four-digit numbers whose difference is 120. What two four-digit numbers that might be?
• Seven times
Which number seven times is just as higher as 27, how much is smaller than 29?
• Pimps
There were 24 pimps in the plate. Maros ate 12, his little sister four times less. How many pimps remained in the plate?
• Farm
Agricultural cooperative (farm) produced 14144 liters of milk for 16 days. Which exceeded the plan by 1984 liters. How many liters of milk a day had planned to produce?
• Parenthesis
Fill in the examples correctly brackets: A) 7.9+12:3-2 =23 B) 7.9+12:3-2=75
• Summand
One of the summands is 145. The second is 10 more. Determine the sum of the summands.
• Chocolate
Leslie bought 8 same chocolates for 16 Eur. How many euros will he pay for 25 chocolates?
• I think
I think a number. When I multiply it by five, and after that I subtract 477, I get the same number as if I multiplied it twice. What number do I think?
• School
27 students of 6.D class is going to a trip. They pay 9 € each. The teacher got 153 €. How many children have not paid?
• Milk crates
A farmer sells milk in crates that hold 15 bottles. She has 34,125 bottles of milk. How many crates can the farmer fill?
• Children in the classroom
How many children are in the classroom, where Ladislav is 10th lightest and 16th heaviest in class?
• Each with each
Five pupils from 3A class played table tennis. How many matches did they play with each other?
• Cords joining
Mum needs 6 cords long 360cm long. How many does she need when they are sold at 9 meters and does not want to join it up?
• Cherries
Cherries in the bowl can be divided equally among 19 or 13 or 28 children. How many are the minimum cherries in the bowl?
• Chocolate
How many times should be broken chocolate consisting of 10 × 12 pieces to get the 120 parts?
• Twos
Vojta started writing the number of this year 2019202020192020 into the workbook. .. And so he kept going. When he wrote 2020 digits, no longer enjoyed it. How many twos did he write?
• Exhibition
The teacher paid for 280 Kč for 4.A students for admission to the exhibition. How many students were on the exhibition?
• Napkins
Viera and Darina exchanged napkins. Always 3 yellow for 4 red napkins. How many yellow napkins will Viera receive for 24 red napkins?
• Star equation
Write digits instead of stars so that the sum of the written digits is odd and is true equality: 42 · ∗8 = 2 ∗∗∗

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