Maths practice for 12-year-olds - page 86 of 362
Number of problems found: 7228
- A cone 2
A cone has a slant height of 10 cm and a square curved surface area of 50 pi cm. Find the base radius of the cone. - Joanne 2
Joanne bought five fish. To have enough space, fish must have at least 30 liters of water. You know that the length is 5 dm and the width is 3 dm. Calculate the minimum height of the aquarium. - LCM of three ints
Find the least common multiple (LCM) of three numbers: 50, 120, and 135. - Solve 11
Solve. Round the length and width to the nearest half unit, then solve for the area and perimeter. Enter your answers as whole numbers or decimals. Margo wants a new carpet and a new wallpaper border for her bedroom. The room is 5.7 yards long and 6 6/7 y - Rafael
Rafael has three squares. The first square has a side length of 2 cm. The second square has a side length of 4 cm, and its vertex is placed in the center of the first square. The last square has a side length of 6 cm, and its vertex is placed in the cente - Pamela 2
Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k) she can drive with 12 liters of fuel. She assumes the relationship between kilometers and fuel is proportional. How many kilometers can Pamela drive wi - Sorting heights
Jack is taller than Sarah but shorter than both Malika and Tania. Malika is shorter than Tania. Natasha is shorter than Sarah. Who is the shortest? Write the first letter of their name as a result.
- Maria 4
Maria earns $15.25 per hour babysitting and $16.50 per hour cleaning the house. Last weekend, she spent 3 hours babysitting and 2 hours cleaning the house. Then, she went to the shop and spent $27.69. How much money does Maria have left? - Which 11
Which decimal is equivalent to 5/6 - Before 4 Before a journey, the petrol gauge showed my car's tank was half full. When I returned home, it was one-third full. What fraction of a tank of petrol had I used?
- A rectangle 11
A rectangle or athletic field is 100 yards wide and 500 yards long. How many square yards are on the football field? - Sophie
Sophie filled a bag with 2 and 2/3 kilograms of candy; 1/4 of the weight of the candy was from chocolate-covered pretzels. How much did the chocolate-covered pretzels in Sophie's bag weigh? - Randy
Randy solved the following problem: 7/8 + 9/16. He said: I can add 7 and 9 to get 16 and add 8 and 15 to get 23. The answer is 16/23. Is randy correct? Explain. - Charlie
Charlie buys a new Bey Blade for $11.38. He gives the cashier $15.00. How much change will he get back? Select TWO ways he will get change. 4 dollars, 6 dimes, 1 nickel, and 2 pennies 3 dollars, 2 quarters, 1 dime, and 2 pennies 3 dollars 2 quarters, 1 ni - It takes
It takes ¾ of a minute to do a lap on your bicycle at the velodrome, a bicycle racing arena. How many laps can you do in ½ an hour?
- A snack
Jim made a snack by combining ⅓ of a bowl of granola with ¼ of a bowl of chopped banana and ½ of a bowl of yogurt. Did one bowl hold all of the ingredients at one time? Explain your answer. - Canada landscape
About ½ of Canada is covered in forest, and 1/12 is covered in freshwater. What fraction of Canada is not covered in either forest or freshwater? Hint - add first and then subtract from the total. - The balance
Kasey had $98.17 in her account. Her receipts from the day are shown. Three receipts are shown. At the Food Truck, she bought a taco meal for eight dollars and five cents; the tax was sixty-four cents, and the total was eight dollars and sixty-nine cents. - Balloons 2
One balloon is 3 7/10 meters above the ground. A second balloon 2 3/5 meters higher. How far above the ground is the second balloon? Complete the addition equation and a related subtraction equation to model the problem. Use x to represent the height of t - The Roman The Roman numerals are read from left to right, using an additive system (such as the case in VII = 7) and a subtractive system (such as the case in IX = 9). How would you explain to your learners how they should decipher the following Roman numerals: MMX
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
