Math practice for 13 year olds - page 28 of 435
Number of problems found: 8682
- 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. If a customer spins the spinner and it lands on a cat, they will win a free cat toy. If the spinner is spun 540 times throughout the day, about how - 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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