Maths practice for 11-year-olds. - page 136 of 224

Number of problems found: 4468

Yellows 7650
Stano got a box of dice. Half of them were brown and blue in color, and the others were red, yellow, and green. There were 12 more reds than yellows, 19 more reds, and 5 more greens than yellows. How many cubes were in the box?
Reading book
If I read 15 pages daily, I will read the book in 20 days. How many pages do I have to read a day if I want to finish the book in 12 days?
Diamond - simple
Calculate the circumference and area of the diamond if the side is 5 cm long and the height is 3 cm long.
Production 7636
The production of kites requires 12 square meters. The paper is 125 cm wide. How many meters of paper do we need to buy?
Caleb
Caleb is making lemonade for a party. He has 5 gallons of lemonade. He puts 1/3 cubic inch of lemonade in a cup for each guest. How many guests are going to be at the party?
Milo lifted
Milo lifted 65 lb 6 times, and Jeremy lifted 50 lb 9 times. Which one lifted the most weight?
Melting point
The melting point of mercury is -36°F, and its boiling point is 672°F. What is the difference between the boiling point and the melting point?
Children's 7598
There are 3 times more chairs in the kitchen than in the children's room. There are 2x fewer chairs in the children's room than in the living room. There are 2x more chairs in the living room than in the garden, where there are 2 chairs. All the chairs we
Find unknown
Find an unknown numerator: 4/8 + _/8 = 1
Aquarium 7588
The aquarium has a length of 0.7m and a width of 25cm. If it does not reach more than 87.5 liters of water, what is its depth?
Calculate 7587
Calculate the volume and surface of a block 3 cm wide, 6 cm long, and 8 cm high.
Cupcakes 2
Susi has 25 cupcakes. She gives 4/5. How much does she have left?
Inequality 7581
How many prime numbers are the inequality solutions: x / 3> x - 8?
Rectangular 7578
My aunt paid CZK 2,592 for linoleum in a 15 meters long rectangular hallway. How much did 1m of linoleum cost? The following month, linoleum was discounted by a third. How many crowns could the aunt save if she bought it a month later?
Fahrenheit 2 Celsius
If the temperature is 86 degrees Fahrenheit, what is the same temperature in Celsius?
8 degrees
Eight degrees Celsius, then cools down by 9 degrees Celsius. What is the resultant temperature?
Gasoline price
At 34.4 cents per liter, how much will 42 liters of gasoline cost?
Completes 7557
The cyclist completes the 3600 m long route in 12 minutes. Calculate its speed in km/h.
Noontime
In the morning temperature was 110°F. By noontime, it has gone up by 15°F. What was the noon temperature? (Give your answer in °F)
Recipe
A recipe requires 2 pounds of flour. If a chef wants to triple the recipe, how many ounces of flour will be needed?

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