Maths practice for 11-year-olds. - page 84 of 223

Number of problems found: 4458

Liters 44031
What is the width of a block with volume V = 600 liters if a = 120cm, b = 50cm?
Leftovers 43921
There is less than 50 m of fabric in the package. If we cut only for blouses or only for dresses, we will not have any leftovers. 1.5 m of fabric is used for one blouse and 3.2 m for one dress. Determine the amount of fabric in the package.
Perimeter of the park
Find the park's perimeter in meters in a diamond shape if the length of its side is 2 km.
At noon 2
At noon, the temperature was 4 degrees Fahrenheit. At 6 pm, it was 10 degrees colder. What was the temperature at 6 pm?
Calculate 43801
Calculate how much one-third of the number 2.7 is greater than 1/2. Express the result as a decimal number.
The kitchen
The kitchen has the shape of a square with a side of 5 m. We place linoleum on the floor, the price of which is 450 CZK per 1 m². The glue costs 750 CZK. How much do we pay in total?
Gallons and quarts
5 gallons 2 quarts − 1 gallon 3 quarts = (Hint: 4 quarts equals 1 gallon. )
Calculation - isosceles
Calculate the area and perimeter of an isosceles triangle if given: base a: 6cm, height to the base: 4cm.
Parallelogram - A+p
Calculate the area and perimeter of a parallelogram if side a = 5.2 cm and height to side is va = 4 cm (it is a parallelogram, not a triangle)
Lenth - meter
Find in centimeters, 3/10 of a half meter.
Cents 43481
How many cents are 4/5 euros?
Transported 43451
A sandpit on a playground is shaped like a circle with a diameter of 3 meters and a depth of 25cm. How many cubic meters of sand are needed? Determine the weight of the transported sand if 1 m³ of sand weighs 800 kg.
A football
A football team loses 5 yards on one play, then loses 7 yards on the next play. Write a different expression that represents the change in position. Then, find the sum of the values.
Difference 43311
We have the number A = 753 672. Calculate the difference between it and the number A rounded to tens of thousands.
Temperature drops
If the temperature of a city drops 2° every day and increases by 3° every five days, how long does it take to drop to -15° from temperature +5°?
Timothy
Timothy is 56 4/5 inches tall. Theresa is 1 1/6 inches shorter than Timothy, and Jane is 1 1/3 inches shorter than Theresa. How tall is Jane?
Volunteers
Volunteers helped clean up 8.2 kg of trash in one neighborhood and 11 1/2 kg in another. They sent 2 3/5 kg to be recycled and threw the rest away. How many kilograms of trash did they throw away?
Cloth / textile
We have a cloth measuring 16 square meters. How many 20 cm by 20 cm by 8 cm bags can you make? Assume the bag is a cuboid without one top base.
Gold fabric
Katy and her girlfriends went to the store to buy supplies to make a costume for Katy's school play. They needed 7 ½ meters of gold fabric. If each meter costs 3.4 USD, how much will 7 ½ meters cost?
Chocolate chip
Out of 28 cookies, 3/4 are chocolate chip. How many cookies are chocolate chip?

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