Maths practice for 12-year-olds - page 219 of 347
Number of problems found: 6930
- Circle center distance
Circles with radii r1 = 10 centimeters and r2 = 4 cm touch from the outside. What is the distance between their centers? - Eqn
Solve equation with fractions: 2x/3-50=40+x/4 - Food weight
Stacie is a resident at the medical facility where you work. You are asked to chart the amount of solid food that she consumes. For the noon meal today, she ate 1/2 of a 3-ounce serving of meatloaf, 3/4 of her 3-ounce serving of mashed potatoes, and 1/3 o - Two vans
At 8:30 AM, two vans leave a car park and travel in opposite directions: one at 48 km/h and the other at 62 km/h. At what time will the two vans be 550 km apart? - Without 2
Tell whether the product 0.644 x 0.25 will be greater than one or less than 1 without multiplying. Explain how you know. Then, find the product. - 1.5 divided
1.5 divided by 1 = w divided by 4 - Walking
Lucy can walk about 3 4/5 miles each hour. How far can she walk in 2 hours 45 minutes? - Playground mantel length
The playground floor plan consists of a square with a side of 8 meters and two semicircles. Calculate the length of the mantel, which is around the perimeter of the field. - Letters
ABC + DEF = GHIJ replace letters with numbers so that the sum is correct (different letters = different numbers) - Four-fifths of the pool
The rectangular pool, with bottom dimensions of 12 m and 25m, is 200 cm deep. The first faucet flows 2.4 hl per minute and the second 6 l per 1 second. How long will it take for the pool to be filled to four-fifths of its height? - Two trains
From station A, the freight train traveled at a speed of 40 km/h in 9 hours. When he drove 15 km, the fast train started from station A in the same direction at 70 km/h. When will the freight train catch up? - Boats
Three-quarters of boats are white, 1/7 are blue, and nine are red. How many boats do we have? - Jose and Kaitlyn
Jose and Kaitlyn have a contest to see who can throw a baseball the farthest. Kaitlyn wins with a throw of 200 ft. If Jose threw the ball 3/4 as far as Kaitlyn, how far did Jose throw the ball? - Equivalent expressions
A coach took his team out for pizza after their last game. There were 14 players, so they had to sit in smaller groups at different tables. Six players sat at one table and got four small pizzas to share equally. The other players sat at a different table - Tractor wheel turns
The tractor's rear wheels have a diameter of 1.25 m, and the front wheels have a diameter of 55 cm. What is its speed? How many times does each wheel turn on a 1.5 km track? - Construction Material
A smaller car would bring 40 times the material needed for construction, and a larger car 30 times. When the first and second cars had made 12 trips, the smaller car was recalled, and the larger one was to bring the remaining material. How many more roads - Two Inlets Fill Time
The water tank is filled with the first inflow in one hour and 10 minutes and the second in 60 minutes. How many minutes will the tank be half-filled with both inlets if the second outlet is opened 12 minutes later? - Square side length
Calculate the length of the side of a square in cm, whose perimeter is 88.8 dm - Computer task time
In a computer center, one computer would work 12 hours to solve a task, and another, more powerful, would solve the same task for 10.5 hours. If both computers work together, the calculation time would be reduced for a certain period. Calculate how long i - The factory
The factory z can complete an order in 12 days, and factory p can complete it in 18 days. How many days does an order complete when the first two days work only the factory z and then both factories?
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