Maths practice for 12-year-olds - page 25 of 301
Number of problems found: 6005
- One-third of a drum
1/3 rd of a drum is filled with water. Needed another 60 l of water to fill the whole drum, then what is the capacity of a drum? - Edmond 2
Edmond bought a new cage for his pet rabbit since he's gotten so big. The area of the old cage's floor was 6 square feet. The area of the new cage's floor is n square feet larger, for a total of 8 square feet. Write expressions that tell this story and fi - Charity
Greg's grandmother is knitting scarves for charity. The table shows the number of yards needed for different types of scarves. Yarn Type ; Number of Yards Bulky ; 150 Light ; 250 Medium; 200 She plans to make bulky scarves and has no more than 2,250 yards - Cereals
Cole and Carl share an 18-ounce box of cereal. By the end of the week, Cole has eaten 1/6 of the box, and Carl has eaten 2/3 of the box of cereal. How many ounces are left in the box?
- Sarah 5
Sarah had ten cookies and ate one-half of a cookie. How much would she have left? - At noon 5
At noon, the temperature in New Crampton, California, was 31°F. By midnight, the temperature had fallen to 14°F. What was the change in temperature over the 12-hour period? - Mrs. Dinah
Mrs. Dinah Tah Tanda divided her lot among her 4 children. The first got 3 1/2 ha, the second 3 1/3 ha, the third 3 1/4 ha, and the fourth 3 2/5 ha. How big is Mrs. Tanda's lot? - Angles 22
Angles A and B are complementary. Angle A is 29°. Find the measure of angle B. - Area - simple
Find the area of the triangle. So, the base is 7 2/3 mi. The height is 7 mi. What is the Area?
- Garden hose
Miguel wound a garden hose around a circular real. If the diameter of the real is 10 inches, how many inches of hose was wound on the first full turn of the real round? The answer to the nearest whole inch, use 3.14 for pi. - A ribbon
Bree has a piece of ribbon that is 6 inches long. She needs to cut it into equal pieces measuring 3/4 of an inch. How many pieces will she have? Answer in simplest form - The track
The track is ⅗ a mile long. If Tim ran the track three times, how far did he run? Answer AS A DECIMAL. - Buns
Dona has 50 buns. She sold 9/10 of it and gave 3 of the remaining buns to her brother. How many buns are left for Dona? - Robin Robin needs 3 1/4 meters long of red lace, 5 meters of yellow lace, and 2 1/2 meters of pink lace for her project. How many laces does she need?
- Black to brown ratio
In a box, there are 20 pairs of socks, of which 65% are black and the rest are brown. What's the ratio of black and brown socks? - A tournament
The debate team is hosting a tournament. They received $320.00 in tournament registration fees and raised $126.76 in concessions. The team would like to budget this money over the 12-month calendar year. How much money will be available each month? - The ribbon Jody had some ribbon. She used 1/4 of it to tie and 1/2 to tie. She had 1/10 of the ribbon left. How much ribbon did she have at first? For your answer, please write as a fraction in the simplest form.
- Babysitting
Susanna earns $3.75 per hour of babysitting. Last month, she babysat for 11 hours. How much did she earn? - Chuck
Chuck Stone has 8 7/8 cubic yards of concrete in a truck. How much concrete remains in the truck if he unloads 2 1/2 cubic yards at the first stop, 3 cubic yards at the second stop, and 1 3/4 cubic yards at the third stop?
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