Maths practice for 11-year-olds.
Number of problems found: 3881
- Parallelogram - simple
One of the sides and the corresponding height of a parallelogram are 4 cm and 3 cm respectively. Find the area of the parallelogram.
- A gardener
A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the cost of the rope, if it costs $0.40 per meter.
- Apples 32
A women sold half part of total apples to the 1st customer. Half part of the remaining to the 2nd customer. Then from rest of the apples she sold half part of it to the third customer and again sold half of the remaining apples to the forth customer. Now
- 765 chairs
765 chairs are arranged in rows in such a way that the number of chairs in each row is equal to the number of rows. How many chairs needs to be removed to complete this arrangement?
- Tomatoes 3
The price of tomatoes was $5.45 per kilo last week; this week, it has increased by $1.35 per kilo. Find the price of tomatoes this week.
- Adela
Adela saves part of her allowance every month. She can save about 25 pesos monthly. Her target is to save 1350 pesos for a pair of shoes. If she starts saving by June, can she buy the shoes by December?
- Largest circle
If the largest possible circle is cut off from a 8 cm × 4 cm rectangle, what is the area in sq cm of the remaining portion?
- Circular pizza
The radius of a circular pizza is 6 inches. What is the approximate circumference of the pizza? (Use π = 3.14)
- The model
The model of a building is constructed with the scale factor 1:30. If height of the model is 80 cm, find the actual height of the building in meters.
- 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 which can be used to determine, how much each bottle of juice cost.
- A turtle 3
A turtle walks about 1/4 meter per hour. How long will it take the turtle to cover 120 meters?
- Two cubes 2
Two cubes each of volume 125 cm³ are joined end to end. Find the surface area of the resulting cuboid .
- Twice the unknown
I am twice a number. If -8 is subtracted from me, the answer is 6. What am I?
- Crossing a pole
A train 200 m long is moving at a speed of 72 km/hr. How much time will it take to cross a pole?
- Polygon with x
All lines in the picture are perpendicular. Find the perimeter of the given polygon.
- 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 running 72 km/hr. How much distance will it cover in 15 seconds?
- The number 88
Write the number 88 as a product of prime factors.
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