Maths practice for 12-year-olds - page 129 of 350
Number of problems found: 6985
- A water tank
Tom has a water tank that holds 5 gallons of water. Tom uses water from a full tank to fill six bottles, which hold 16 ounces, and a pitcher, which holds 1/2 a gallon. How many ounces of water are left in the water tank? - Cutting board
Four pieces measure 29.5 cm. 19.62 cm, 32.49 cm, and 24.74 cm are cut from a board that is 200 cm long. Allowing 1 cm for total waste in cutting, what is the length of the remaining piece? - Ameeka
Tameeka is in charge of designing a school pennant for Spirit Week. She wants the base to be 3 1/2 feet and the height to be 6 1/2 feet. She has 20 square feet of paper available. Does she have enough paper? - Dera bought
Dera bought a set of 2 files and five notebooks for a special offer of $12.95. If the usual price of a file is $4.35 and the notebooks were $1.30, how much less money did Dera pay for the notebook and files? - An architect
An architect is designing a house. He wants the bedroom to have the dimensions of 8 ft by 4 ft by 7 ft. The architect doubles all three dimensions to create the den. Does that mean the den will have double the volume of the bedroom? First, find the volume - The level
The temperature of the liquid in a thermometer is 24.32°C lower than the boiling point of water. What is the thermometer reading? Show your answer by drawing and shading the thermometer. - Dimensions 50531
The Mokry family wants to build a pool in the garden, which has the shape of a cuboid with dimensions of 3 m wide, 5 m long, and 1.20 m deep. They need to dig a hole whose dimensions will be 70 cm larger than the dimensions of the pool. How often does the - Monica 3
Monica works on her drawings for 2 hours. She spends 1/6 hour on each drawing. How many drawings does she work on in 2 hours? - Bathtub
Kevin has a bathtub shaped like a block. It measures 70 cm long, 45 cm wide, and 50 cm high. The bathtub will be filled with clean water 3/5 of its height. The clean water needed is…. - Bucket of clay
Tina and Bill share a 12-ounce bucket of clay. By the end of the week, Tina had used 1/6 of the bucket, and Bill had used 2/3 of the bucket of clay. How many ounces are left in the bucket? - Lunch time
In a cafeteria, 3/10 of the students eat salads, and 3/5 eat sandwiches. There are 30 students in the cafeteria. How many students are eating lunches other than salads or sandwiches? - Clarissa
Clarissa read 1/2 of a book in the morning and some more at night. By the end of the day, she still had 1/3 of the book left to read. How much of the book did Clarissa read at night? - The floor
The floor collapsed because three and a half times the amount it had been designed to hold had been stored in the room. What amount was the floor designed to hold if we had stored 980 tons in the room? - Sadie 2
Sadie picked up fallen apples from an apple tree in her yard. She picked up 14 green ones, 16 that were changing from green to red, and 18 that were red. What fraction in simplest form names the green apples? - Fraction unknowns
Divide fractions with unknowns: Fraction 1: The quantity x squared plus 6 times x plus 9 over the quantity x minus 1. Fraction 2: the quantity x squared minus 9 over the quantity x squared minus 2 times x plus 1. Find Fraction 1 over Fraction 2. - Equation with fractions
What is the simplified form of the equation fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n? n = -2 n = 4 n = fraction 1 over 2 - Hannah and Emily
Hannah and Emily need to use 4 1/4 feet of ribbon to finish an art project. Hannah has 2 3/4 feet of ribbon, and Emily has 1 3/4 feet of ribbon. How much ribbon will they have left over after they finish their art project? - 5 2/5
5 2/5 hours a week mathematics, 3 3/4 hours a week Natural sciences, 4 3/8 hours a week Technology. How many hours does he spend on social sciences if he spends 17 1/2 hours a week on the four subjects? - Seven up
Peter Barman is making 8 gallons of Tropical Trip Punch. He has already poured in 1 3/4 gal pineapple juice and 2 1/2 gal orange juice. The only other ingredient is 7-Up. How much does 7-Up Peter need? - Each year
Each year, Mr. Baumann purchases enough paper for his 16 students. If each student uses 3/4 packs of paper, how many packs will he need to buy? Answer as a mixed number or as a whole number.
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