Maths practice for 11-year-olds. - page 167 of 224

Number of problems found: 4464

Calories
A large order of McDonald's french fries has 500 calories. Of this total, 220 calories are from fat. Find the ratio of the calories from fat to total calories in a large order of McDonald's french fries.
Clay
How many cubic centimeters of clay is in a pit of dimensions 4 m x 3 m x 3 m?
If-then equation
If 5x - 17 = -x + 7, then x =
Tickets 3
A total of 645 tickets were sold for the school play. They were either adult tickets or student tickets. The school sold 55 fewer student tickets than adult tickets. How many adult tickets were sold?
Quotient 3
What is the difference if the quotient of 8/13 and 2 is subtracted from the product of 1 3/4, and 8/21?
Approximately 5169
In how many hours approximately we will fill the pool 3.66x0.91 (water height 71cm) with a hose 1/2 from the valve from the water distribution from the well where there is enough water, a quality pump, and a water supply made through pipes in the cottage?
Lcm of three numbers
What is the Lcm of 120 15 and 5
One deci
Wine 0,375 l costs 2040 CZK. How much does one dl cost?
Ten pupils
Ten pupils went to the store. Six pupils bought lollipops, and nine pupils bought chewing gum. How many pupils have bought both lollipops and chewing gums (if everyone bought something)?
Wine
A bottle of wine costs 21 euros, and wine is 20 times more expensive than a bottle. How much does a bottle cost?
Rhombus sides
Find the sides of a rhombus; its area is 550 cm square, and its altitude is 20 cm.
Natural numbers
How many natural numbers can we create less than 301 from the number 0,1,2,3,6,7?
Dimensions 5143
Mr. Winter is building a fence from perforated brick elements in the shape of a cuboid with dimensions of 15 cm, 15 cm, and 20 cm. the fence will be 15 cm wide, 150 cm high, and 10 m long. The mortar space will occupy 0.25 m³. How many brick elements does
Gloves
Petra has ten pairs of gloves in the closet. Six pairs are blue, and four pairs are yellow. At least when she pulls them out in the dark and wants to have one complete one-color pair, how many pieces of gloves need to be pulled out?
A map
A map of size 60cm by 25cm is reduced in the ratio of 3:5 twice. What are the new dimensions?
Bean bag
A student tossed a bean bag. It landed 216 inches away. How many yards are equal to 216 inches?
Seedlings 5128
The gardener had 458 seedlings. He planted them in three rows of the same number of seedlings. How many seedlings were on each board? Is he left with any seedlings?
Seedlings 5127
The gardener had 158 seedlings. He planted them in three rows of the same number of seedlings. How many seedlings were on each board? Is he left with any seedlings?
Cuboid
Cuboid has a surface of 516 cm². Side a = 6 cm and b = 12 cm. How long is the side c =?
Surface of cuboid
Find the surface of the cuboid if its volume is 52.8 cm³ and the length of its two edges is 2 cm and 6 cm.

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