Maths practice for 10 year olds - page 7 of 38

Number of problems found: 743

Blood Pumped by Heart
At 23:45, the pump pumps 435.4 liters of blood. How many liters of blood does he pump per day? How many liters of blood does he pump in a week?
Formula One Laps Kilometers
Formula 1 drivers drive on the training circuit. After one-third of the 42 laps, he must go into the pit. How many laps have they covered by then? One circuit measures 15 km. How many kilometers have they traveled, and how many kilometers do they still ha
Playground Shorter Side
The playground has a rectangular shape. The length of the line around its perimeter is 440m. The longer side of the course is 140m long. How many meters does the size of the shorter side of the pitch measure?
Walking
The boy walked about 8.5 km in an hour. How long will it take to walk a distance of 32 km if he takes two breaks of 30 minutes during the route?
Hares and pheasants
After the hunt, hares and pheasants lie in the field. There are a total of 80 heads and 190 feet. How many hares and how many pheasants? (please, without equations)
Reading Book Pages Schedule
Roza calculated that if she read ten pages a day, she would read the whole book in 18 days. After a week, however, she decided to read one more page a day. How many days will he read the entire book?
Steps Around Rectangular Course
Monika has a step 5dm long. How many steps will he take before going around a rectangular course 500dm long and 200dm wide?
Birthday weekday
Adam's birthday is on Monday, and Eva's 66 days later. Which day of the week will it be?
Three Consecutive Numbers Sum
Find three consecutive numbers whose sum is 630,000.
Conference 2
Nine people attended a conference on behalf of their company. The conference fee was £520 per person, and the company paid £856 in travel costs for the nine people. How much did the conference cost the company altogether?
Discount on T-shirts
When buying two identical T-shirts, the discount on the second is SKK 60. If Ondra pays CZK 170 for both T-shirts, how much does one T-shirt cost?
Grain Saved by Owls
One owl catches 1000 mice. One mouse destroys 1kg of grain. How many kilograms of grain will save ten owls?
Big number
How many ones (digits) does the number 12345678910111213141516 ... 4647484950 contain? Did we write all natural numbers from 1 to 50 in a row?
Expression plus minus
Evaluate expression: (-1)2 . 12 – 6 : 3 + (-3) . (-2) + 22 – (-3) . 2
Five mechanics
Five mechanics will make a car for some time. How many cars can 30 mechanics produce at the same time?
Ten boys
Ten boys chose to go to the supermarket. Six boys bought gum, and nine boys bought a lollipop. How many boys bought gum and a lollipop?
Schoolyard Side Length
For Adam to walk around the schoolyard, he has to take 400 steps. What is the length of one side of the schoolyard if it is square and one step of Adam is half a meter long?
Running Around Football Pitch
How many meters did the boys run when they circled the pitch, which is 100 m long and 60 m wide, three times during football training?
Pump
The pumps pumped six hundred eighty liters of water in 8 minutes. How many liters were spent in 56 minutes?
Dozen
What are the products of 26 and 5? Write the answer in an Arabic numeral. Add up the digits. How many of this is in a dozen? Divide ; 114 by this

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