Maths practice for 11-year-olds. - page 2 of 221

Number of problems found: 4418

Adela
Adela saves part of her allowance every month. She can save about 25 pesos per month. Her target is to save 1,350 pesos for a pair of shoes. If she starts saving in June, can she buy the shoes by December?
Largest circle
If the largest possible circle is cut from an 8 cm × 4 cm rectangle, what is the area in cm² of the remaining portion?
Circular pizza
A circular pizza has a radius of 6 inches. What is the approximate circumference of the pizza? (Use π = 3.14)
The model
The model of a building is constructed with a scale factor of 1:30. If the height of the model is 80 cm, find the actual height of the building in metres.
Sarah 7
Sarah bought snacks for her team's practice. She bought a bag of chips for $1.56 and a 20-pack of juice bottles. The total cost before tax was $33.96. Write and solve an equation to determine how much each bottle of juice cost.
A turtle 3
A turtle walks at about ¼ metre per hour. How long will it take the turtle to cover 120 metres?
Two cubes 2
Two cubes, each with a volume of 125 cm³, are joined end to end. Find the surface area of the resulting cuboid.
Twice the unknown
I am twice a certain number. If 8 is subtracted from me, the result is 6. What am I?
Crossing a pole
A train 200 m long is moving at a speed of 72 km/h. How long will it take to pass a stationary pole?
LCM and HCF 3
LCM of two integers is 1237. What is their HCF?
Directly proportional
A person earns directly proportional to the number of hours she works daily. If she works h hours one day and makes s dollars an hour, what is the total amount she earns for the day in terms of h and s?
A bike 2
A bike is travelling at 72 km/h. How much distance will it cover in 15 seconds?
The number 88
Write the number 88 as a product of prime factors.
Simple equation 12
Three times a number, divided by 2, plus 5 equals 20. Find the number.
A capsule
A medicine capsule is a cylinder with two hemispheres stuck to each end. Its length is 14 mm, and its diameter is 5 mm. Find its surface area.
Tuesday temperature
The temperature on Monday was -23 °F. The temperature on Tuesday was 18° higher. What was the temperature on Tuesday?
Ones cube
Find the volume of a cube whose total surface area is 6 m².
A restaurant’s
A restaurant’s menu has 3 appetizers, 3 mains and 2 desserts. In how many way can a 3-course meal be ordered?
A woodcutter
A woodcutter took 12 minutes to make 3 pieces of a block of wood. How much time would be needed to make 5 such pieces?
Cows and hens
In a group of cows and hens, the number of legs is 14, more than twice the number of heads. Find the number of cows.

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