Maths practice for 8 year olds
Number of problems found: 261
- Electric iron
If the temperature of electric iron is 8 degree Celsius and rise by 10 degree Celsius, what is the current temperature? - Drying fruit
Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh fruits? - Squares of odd
Find the average of squares of consecutive odd numbers from 1 to 13. - A train 2
A train 90 meters long is moving at speed 80 km/h overtakes a second train moving at 56 km/h in the same direction and passes completely in 25 1/2 seconds. Compute how long is the second train. - Earnings 4
Joey earned $35, which is five times more than Leo earned. How much did Leo earn? - Pants
Peter bought 58 pairs of pants, 18 of which were torn. How many pants were not torn, which he had? - The mean 2
The mean cost of 4 items was $39.96. The first item cost $28.50, the second item cost $41.25, and the third item cost $50. Find the cost of the fourth item.
- The cattle
The cattle at the Howard Farm are fed 32 bales of hay each day. The horses are fed 1/2 as much hay as the cattle. How many bales of hay are the horses fed each day? - Award
Out of 36 students, 16 were awarded, 19 passed, 1 failed. Determines the percentage of honors and successful students in the class. - Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3. - New temperature
The temperature at 4 AM was 22°C, but it went up 9°C at noon. Find the new temperature. - Kenyon Kenyon was hiking on a mountain. He stopped to rest at an elevation of 75 feet. He then continued on to the top. The elevation at the tip was 200 feet. How far did he climb after his break?
- Library 4
Library A has a total collection of 250 books. Library B has 100 more books than Library A, and Library C has twice as many books as the combined number of books in Library A and B. What is the total number of books in libraries A, B and C?
- Lightning strike
In a thunderstorm, the formula M=t/5.3 gives the approximate distance, M, in miles, from a lightning strike if it takes t second to hear the thunder after seeing the lightning. If you are 5.4 miles away from the lightning flash, how long will it take the - A single
A single, standard number cube is tossed. What is the probability of getting a number greater than 3?
- Points
The point A has coordinates (3, 3). The point A moves 5 units to the left and 4 units down to a new point B. (a) Write down the coordinates of point B. (b) Which quadrant is point B in? - Miss Patel
Miss Patel thinks her class of 20 students will average 95 on a math test. Before she grades the last student's test, the class average is 97. What is the lowest possible score on the 20th test for the class to average 95? - I have 3
I have 67 shirts to wash. Seven were put in a machine. And shered 60 to 5 each girl to wash. How many did 5 each wash? - A cone 3
A cone has a diameter of x cm and a slant height of y cm. A square pyramid has a base side length of x cm and a slant height of y cm. Which has the greater surface area? Explain. - Lora wants Lora wants to buy a bag for $79.99 and perfume for $45.27. She has a coupon for 50% off the bag. If the sales tax is 9%, what is her change from $300?
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