Maths practice for 12-year-olds - page 219 of 351
Number of problems found: 7018
- Volume - pool
The pool, 10.5 m wide, 50 m long, and 3 m deep, will be filled in 3 days. On the first day, 2/5 of the water volume flowed into it, and 1/3 of the rest on the second day. How many liters of water flowed into the pool on the third day? - Temperature increase
Suppose the temperature at 9:am is 50 degrees. What is the temperature at 5:00 pm if the temperature increases by 4 degrees Fahrenheit each hour? - Christmas Gingerbread Distribution
The old mother baked 275 Christmas gingerbreads and kept three-fifths of them, dividing the rest among her children in a ratio of 3:4:2:1. How many gingerbreads did she give each? - Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle. - Two Digit Numbers Digits
How many two-digit numbers can be written using the number 0,2,6? We can also repeat the digits in the number. - 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?
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