Math practice for 13 year olds - page 92 of 428

Number of problems found: 8555

The road
3/5 of a road is to be resurfaced. If the road is 2 3/5km long, what length in kilometers is to be resurfaced?
A hairdresser
A hairdresser is deciding where to open her studio. If the hairdresser chooses Location A, she will pay $1200 per month in rent and will charge $45 per haircut. If she chooses Location B, she will pay $1800 monthly rent and charge $60 per haircut. How man
Square diagonal drawing
Draw a square EFIJ if EI is equal to 7cm.
Number inequality replacement
What is the smallest whole number to replace the known x for: 9> x/3> 4.
Six-digit number creation
How many six-digit numbers without repetition can be formed from the digits 1, 2, 3, 4, 5, and 6, if the numbers are, to begin with: a) the digit 4; b) digits 4 or 5?
On the Oval Track
Two runners are training on the oval stadium track. Both runners start from the same point and maintain a steady pace. The first runner completes 3 laps in the same time that the second runner completes 2 laps. Both runners set off in the same direction a
Cyclist car overtaking
A cyclist traveled 50 km in 2 hours. A car followed him from the same city and overtook the cyclist in an hour. At what speed was the car going, and at what distance did they meet?
A pipe 2
A pipe is 30 feet long. It needs to be cut into pieces that are each 3/5 feet long. How many pieces can be made from the pipe?
36 shirts
Thirty-six shirts were on sale for 2/3 of the regular price. If the sale price of each shirt was $30, what was the regular price?
Ice cream
Two and a half liters of ice cream are divided (unequally) into two parts that are in the ratio of 1:7. How much is each part?
Issac 2
Issac bought some wire for his project. He used 1/3 of the wire and had 80 cm of wire left. How much wire did he have at first
Four-fifths 2
Four-fifths of Zack's stamps have pictures of animals. If he has 20 stamps with these pictures of animals, how many stamps does Zack have?
Ron has
Ron has 4 2/3 liters of oil. He kept 1 1/4 liters and divided the rest into parts of 3/4 liter each. How many parts did he make?
20 students
Twenty students took a test. Ten students got an average (arithmetic mean) score of 80. Five of them got an average score of 75. And the remaining 5 students got an average score of 55. What is the average score of the 20 students?
Skip's
Skip's Dog Shelter rescues collies. 3/4 of the collies are older than 10, and 1/3 of the remaining collies are between 3 and 5. Suppose there are 2 dogs between the ages of 6 and 10. How many dogs are there in all at this rescue shelter?
Five-digit number digits
Determine the number of all-natural five-digit numbers in decimal notation that each have the digits 0, 1, 3, 4, 7.
Boy tablet dosage
Pepík is sick and has to take 1 tablet three times a day. How many days will a pack of 30 tablets last him if he only takes 1 tablet in the morning and evening every third day?
Andrew 2
Andrew and Chloe went shopping. Andrew spent $10 less than Chloe. If we let y represent how much Chloe spent, write an algebraic expression for how much Andrew spent
Wayne
Wayne can clear a plot of land in 1/3 hours, and Melvin can clear the same plot of land in 2/4 hours. What could possibly be the time for both Wayne and Melvin if they combine to clear the same plot of land?
Reconstruction
The school decided to carry out a reconstruction and wanted to start by replacing the doors. After installing the doors, the principal decided to mark each door with numbers. As soon as he got this idea, he had mathematicians calculate how many digits the

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