# Maths practice for 11-year-olds.

#### Number of problems found: 3952

- Parallelogram - angles

In a parallelogram ABCD, if angle alpha measures ∠A = 70°, find all the other angles. - The sum 46

The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? - Chocolate cookies

Kelly bought a package of 28 chocolate cookies. Each cookie weighed 0.69 ounces. How much did the 28 cookies weigh all together? - A triangular prism

Find the number of faces, edges, and vertices of a triangular prism.

- The diameter 5

The diameter of a circle is 32 inches. What is the circle's area? Use π(pi) ≈ 3.14 and round your answer to the nearest hundredth. - Train same direction

Find the time taken by a train 170 m long, running at the speed of 83 km/h, to cross another train 180 m running at the speed of 65 km/h in the same direction. - Prawns and carbs

I buy 3 1/4 kg of prawns and 4 2/5 kg of carbs. 1 kg of prawns is RM 24 and 1 kg of carbs is RM 10. If I pay RM 50, what is my change? - Mean and sum

If the arithmetic mean of 6 numbers is 45, what is the total sum of these numbers? - Older or younger

The age of a man after 15 years is 4 times the age of that man 15 years before. Find his present age.

- NYC block

Bijan wants to go running during his family's vacation to New York City. To do so, he will run a neighborhood block 20 times. Bijan runs a total of 8 miles. The block has a length of 3/20 miles. Use the formula for the perimeter of the neighborhood block - The mean - mi

Find the mean of 3 5 8 4 10. - A pattern

If I have a pattern that starts with 1, 4, 9, 16, 25... and so on, which of the following numbers would not appear? - The rectangle 7

The rectangle shown has a length (l) of 8 and a width (w) of 6.2. A second rectangle has a length of l + 2.5 and a width of w - 1.4. Find the area of the SECOND rectangle. - Megapolis

The total population of a city consists of 641,682 male adults, 593,118 female adults, and 182,345 children. Find the total population of the city.

- Lakeside mall

Katy went to lakeside mall. She had $75 to spend she purchased 3 items which cost $12.75, $32.57, and $21.84. How much more does she have to spend? - Money balance

At the beginning of the month, Hector had $52.43 saved up. He then earned $16.94 doing chores and spent $20.35 at the mall. How much money does he have now? - Ice cream company

An ice cream company is going to open new stores in Los Angeles, New York, and Orlando. The monthly cost for a square foot of rental space in each city is as follows. town; cost/ft² Los Angeles ; $5.25 New York ; $7.25 Orlando ; $4.25 The store in Los Ang - ABCD on a map

Dinesh went from place A to place B and from there to place C. A is 7.5 km from B, and B is 12.7 km from C. Ayub went from place A to place D and from there to place C. D is 9.3 km from A, and C is 11.8 km from D. Who traveled more, and by how much? - A student 7

A student was asked to multiply 43.407 by 100. However, he multiplied the decimal fraction by 1000. What is the difference between both the products?

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