Maths practice for 12-year-olds - page 22 of 362
Number of problems found: 7228
- A piece 12
A piece of wire is of length 12 3/4 m. If it is cut into two pieces in such a way that the length of one piece is 5 1/4 m, what is the length of the other piece? - The track 2
The track team is trying to reduce their time for a relay race. First, they reduce their time by 2.1 minutes. Then, they are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time? Show or explain your reasoni - A quarter 2
A quarter of the 72 sandwiches contain cheese. The rest contain ham. How many are ham sandwiches? - Add or subtract
What should we add to 8/16 to get 1 1/3? - HW store
At the hardware store, 1/4 of the nails are size 2d, and 1/6 of the nails are size 4d. What fraction of the nails are either size 2d or 4d? - Three 237
Three vertices of a rectangle have the coordinates (5, 3), (5, -1), (-1, -1). What are the coordinates of the fourth vertex of the rectangle? - Tax bill
What is the tax bill for a contractor if his shop has an assessed valuation of $75,000, and the tax rate is $27.50 per thousand dollars of assessed valuation?
- The rectangle 6
The rectangle shown has a length (l) of 8 and a width (w) of 6.2. A second rectangle has a length of l + 2.5 and a width of w - 1.4. Find the area of the SECOND rectangle. (The area is in square units.) - Mary spends Mary spends 2 1/8 hours running and also spends 1 5/7 hours at the mall. How much less time does Mary spend at the mall compared to running?
- Earning
If you earn 50 ¾ dollars on Monday and 75 ¼ dollars on Tuesday, then what is the total amount of money that you earned? - The volume 9
The volume of a large tank is 210 yd³. It is 2 2/5 yd wide and 2 4/5 yd high. What is the length of the tank? - Sushant
Sushant reads 1/3 of a book in one hour. How many parts of the book will be read in 2 and 1/5 hours? - Edith
Edith wants to cut pieces of ribbon 1/3 meter long from a piece of 5/6 meter. How many pieces can be cut? - A cupcake
A cupcake takes just 1/4 of an hour to bake. How can cupcakes bake in 1 1/2 hours? - A biker
A biker traveled from city A to city B via city C with a uniform speed of 52 km/h. He then returned directly to city A with a uniform speed of 89 km/h. Find, in minutes, the total time of his whole journey to two decimal places. City distance A from B is
- Bella
Bella collected 3/5 of a bin of glass bottles to recycle. Ian collected 9 times as many bins as Bella. How many bins of bottles did Ian collect? - Change 8
Change this mixed number into an improper fraction of 2 1/9 - Januka
Januka and her father were going to the tent. They found that their old tent was torn. Their mother suggested that they sew a tent whose walls would be made of 4 identical isosceles triangles. Their lower side is 2 m long, and the height is also 2 m. Then - An electorate
In an electorate, 3/4 th of the voters are Tamils. Of the remaining 2/3 rd are Muslims, and the others are Sinhalese. If the number of Sinhalese in that electorate is 587, find the number of voters in that electorate. - Rene drank Rene drank some cola from a 500 ml bottle. He found that 2/5 was remaining. How much did he drink?
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