Maths practice for 12-year-olds - page 148 of 351

Number of problems found: 7016

Unoccupied 42171
Pavel dug in the morning, 1/5 of the garden in the afternoon, and then 1/2 of the unoccupied part. What part of the garden remained unopened?
Fractions: 42141
Fractions: 14/17. 34/56 + 6/9 + 10/13 : 5/26 = 10/16 - ¼ + 15/18 : 5/9 = ¾. (25/42 - 3/7) +16/21 : 4/7 = 2. Whole numbers: (-12) + (-6). (-2) - (-14) : 2 = 35 : (-5) + (-12) . 2 + (-6) = 42 : (-3) . (-5) - (-12)+ (-16) =
Percentage 42121
Tomáš took out a loan to buy a washing machine. In the following 12 months, according to the contract, he had to repay the amount of 150 euros. The price of the washing machine is 1200 euros. What percentage is the annual interest rate? Write in the form
Inflation 42111
A client deposits 100,000 euros in XYZ bank for a term deposit with an interest rate of 4% pa (per annum). After six months, you went to get the money. How much did he have in his account with the described half-yearly interest? PS When you deposit money
Borrowed 42101
Zuza borrowed a certain amount from the bank, with the proviso that she would return 15,000 euros a year. The annual interest rate was set at 4.5%. How much did Zuza borrow?
Cleaning 2
Maggie is looking to hire a carpet cleaning company. Cleaning Crew Inc. charges $24 for supplies and then $18 per room. If Maggie has $96 to spend on cleaning the carpets, how many rooms can she have cleaned?
One-fifth 42071
One-fifth of twice the number t is one.
The Bakery
At a Bakery, ⅗ of the baked goods are pies, and the rest are cakes. ⅓ of the pies are coconut. ⅙ of the cakes are angel food. What fraction of all the baked goods at the Bakery are coconut pies? What fraction of all the baked goods at the Bakery are angel
Marvin
Marvin buys a hose that is 27 ¾ feet long. He already owns a hose at home that is ⅔ the length of the new hose. How many total yards of the hose does Marvin have now?
Another 42031
We divide the cake into 11 equal parts and eat 2 of them. Then we divide each part of the cake that is left into two more parts and eat another 2 of them. Which part of the cake did we not eat?
Altogether 42021
To decorate for the party, they needed 3 red ribbons, each 1/4 meter long, 5 white ribbons, each 5/8 meter long, and 4 blue ribbons, each 2/5 meter long. How many meters of ribbon did they buy altogether? (express as a decimal number) How much did they pa
Number 42011
7/10 from number K is 28 What is the number K =?
The kennel
20 dogs. The ratio of dogs to cats is 3:2 . How many cats?
Family age
Kubo is 14 years old and has a one-year-old sister, Nina, and a four-year-old brother, Sam. In how many years will Nina and Sam be as old as Kubo?
Pilgrimage 41951
Pavel spent CZK 315 on the pilgrimage in three days, doubling his spending every following day. How much CZK did he pay on the first day?
A supermarket
A supermarket has 3 7/8 pounds of tangerines. Kelsey buys 1/2 of all the tangerines in the supermarket. How many pounds of tangerines did Kelsey buy?
Miguel
Miguel and Kat are reading the same book. Miguel reads the book three times as many pages as Kat. Together, they read 48 pages. Write an equation that we can use to find how many pages Kat read.
Fuel tank
Carlos has 4/5 of a tank of fuel in his car. He uses 1/10 of a tank per day. How many days will his fuel last?
Metal rod
You have a metal rod that's 51/64 inches long. The rod needs to be trimmed. You cut 1/64 inches from one end and 1/32 inches from the other end. Next, you cut the rod into six equal pieces. What will be the final length of each piece?
Bathroom 4
Dolor puts 3 1/2 pails of water into a water container in the bathroom daily. Her daughter, Lei, uses 2 1/4 pails of water daily when taking a bath. If the water container had 5 5/8 pails of water at the start, how much water would be left in it after fiv

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