Math practice for 13 year olds - page 28 of 422

Number of problems found: 8424

Time vs pizza
If Mr. Cromleigh can eat 1/4 of a pizza in 1/6 of an hour, how many pizzas can he eat in one hour? He can eat ____ pizzas.
Sonya
Sonya, Jill, and Donna run each Monday. Jill ran 6/12 of an hour, and Donna ran 5/12 of an hour. If the girls ran a total of one whole hour, what fraction of an hour did Sonya run?
A data
A data set has the sample mean =14 and the sum of the data values=294. How many values are there in the data set?
Toy Store
Beezlebum's Toy Store can't keep its stackable block set in stock! The blocks completely fill a box shaped like a rectangular prism that is 14 inches long, 14 inches wide, and 21 inches tall. The cube-shaped blocks in the set are 3.5 inches along each edg
LCMs
What is the difference between the LCM (16, 400) and LCM (15, 65)?
Our teacher
Our teacher bought eight books at shillings M each. If the total cost was less than 100, how much did he get if he paid with 100 shillings notes?
Cooking classes
Ms. Wright's two cooking classes are making a total of 60 sweet potato pies. Each pie requires 2 1/4 sweet potatoes. Her first class makes 1/3 of the total number of pies needed. Exactly how many sweet potatoes will her second class need in order to make
A boy 5
A boy starts at A and walks 3km east to B. He then walks 4km north to C. Find the bearing of C from A.
A promotion
Store A has a promotion. If you buy three shirts, you get 25% off the total price of the three shirts. Store B has the same shirts on sale with the promotion that if you buy three shirts, you get the third shirt at a 50% discount. Store C has the same shi
A man 11
A man is x years old. In 10 years, he will be twice as old as he was 5 years ago. How old will he be in 10 years?
Anneta
Anneta wants to buy a piece of land for farming; she wants to use 1/3 of the land to plant cocoa, 2/7 for a Palm plantation, and the rest for a vegetable plantation. 1). Find the fractions of the land used for vegetable plantation 2). If one wants to use
A car miles
A car begins heading along a path at 50 mph. A second car begins an hour later, along the same path traveling at 70 mph. For how long will the first car travel when the second car overtakes it?
Hannah 2
Hannah finds purple, blue, and silver space rocks while exploring. 2/3 of the rocks are purple, and 3/4 of the remainder are blue. If there are 3 silver rocks, how many space rocks does Hannah have?
Pet store 2
A pet store is having a prize giveaway. The spinner shows the type of toy a customer can win for their pet. Spinner is divided to 10 sections, and there are 5 cat sections. If a customer spins the spinner and it lands on a cat, they will win a free cat to
Simple form
Given ratio 45: 90 = Write the ratio in a Simple form
Write 7
Write an expression representing the distance between −7 and 3 on a number line.
Balloon
If a ceiling balloon rises at 120 m (about 400 ft) each minute, what is the ceiling of an overcast deck of stratus clouds 1500 m (about 5000 ft) thick if the balloon disappears into the clouds in 5 minutes? Show your solution.
The temperature 46
The temperature in Mumbai at 5 AM is 25 degrees Celsius. It rises 3 degrees Celsius every hour for the next two hours and then 5 degrees Celsius per hour for the next 3 hours. What is the temperature after 5 hours?
Percentage decrement
Decrease 360 by 10%
Circle graph
Erica surveyed students at her school about their favorite type of music. She made a circle graph to show the results. The central angle for the section of the graph that represents country music measures 72°. If 45 classmates chose the country as their f

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