Maths practice for 11-year-olds. - page 135 of 226

Number of problems found: 4508

Find unknown
Find an unknown numerator: 4/8 + _/8 = 1
Aquarium Depth Volume
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?
Block Volume Surface
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?
Prime inequality solutions
How many prime numbers are the inequality solutions: x / 3> x - 8?
Linoleum cost discount
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?
Cyclist speed calculation
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?
Consecutive integer sum
The sum of four consecutive integers, five greater than the previous one, is 2. Find these numbers.
Erika Renata money
Erica has 126 euros. Renee has only a third of Erica and Hannah, 12 euros less than Renee. Hannah then has?
Garden side measurement
The garden has an area of 1378 m², and a side measures 53 m. How much does side b measure?
Hectolitres and liters
What part of a hectolitre is 12 liters? Write the answer as a fraction and decimal.
Cheese Consumption Weight
A package of one cheese weighs 1.80 kg. From the previous day, 0.80 kg remained. Today I have 0.53 left in the box. What was the consumption of cheese?
Lollipop sales calculation
On Friday morning, we opened another box of lollipops, and by lunch, we sold a third of them at 4 crowns each. After lunch, we sold the rest of the box and raised the price to CZK 5 per piece. If there are 90 lollipops in the whole box, how much did we sp
Quarter number puzzle
Which number is three greater than a quarter?
She encoded
Aunt Heda likes puzzles, but her memory is no longer working for her. She chose the 4-digit code on her mobile phone as follows: She encoded her name according to the order of the letters in the alphabet (A=1 B2 C3 D4 E5 F6 G7 H8 I9 ) inserted one multipl

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