Maths practice for 12-year-olds - page 12 of 297
Examples and word math problems for 7th grade.Number of problems found: 5936
- Minus fractions
Evaluate the expression shown below and write your answer as a fraction in simplest form. - (2)/(11) - (11)/(10) minus, start fraction, 2, divided by, 11, end fraction, minus, start fraction, 11, divided by, 10, end fraction - A cube 3
A cube of edge 100 cm has the same volume as a cube of edge 1 m. how many cubic centimeters make 1 cubic meter? - Noel drives
Noel drives at an average speed of 52 miles per hour (mi/h) for 3 1/4 hours. How far has he traveled for 3 1/4 hours? - A decimal number
I am a decimal number between 0.300 and 0.400. My hundredth digit is 3, and my tenth digit is 8. What number am I?
- Difference of expressions
Find an expression that represents the difference when (3x+1) is subtracted from (-9x+1) in simplest terms. - Rohans purchase
The cost of a pen is ₹ 15 ¾ and a pencil for ₹ 4 ¼. If Rohan purchased 3 pens and 12 pencils, which items cost him more and by how much? - Sarah's age
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44. Write an equation to determine Sarah's age (a). - There 34
There were 90 children at the birthday party. If 3/5 of them were boys, how many were girls? - Puzzle game
In a letter puzzle game, John can use every alphabet only once. He used only 8 alphabets to solve the puzzle. What fraction of the 26 alphabets did he use? Express your answer as a fraction in the simplest form.
- Divide 42
Divide. Write your answer in the lowest terms as a proper or improper fraction. (8/25)÷(-4/5) - Multiply 14
Multiply 36/12 and 33/12. Write the answer as an improper fraction in the lowest terms. - 2/3 write
2/3 write it in an equivalent decimal - An airplane 3
An airplane descends at a rate of 2,700 feet per minute. Once the airplane starts its descent, what will be its elevation, in feet, after 3 1/5 minutes? - Overdraft account
Many bank accounts never go below zero. However, some banks will allow a negative balance, at least for a short time, called an overdraft. It means someone has taken out, or 'drafted', more money than was in the account, to begin with. Hannah's account we
- Jada keeps
Jada keeps bees on her farm. This morning, she collected 2 pounds of honey. She is putting the honey in jars to sell at her farm stand. Each jar holds 5/9 of a pound of honey. How many jars worth of honey does Jada have? - Josiah
Josiah is building a birdhouse and has a piece of wood that is 18 feet long. He needs 1 7/8 foot long pieces. How many smaller pieces can he cut? - A man 16
A man sold half of his land. He gave 1/3 of the remaining to his son and 1/4 of the balance to his daughter. What fraction of his land is now left with him? - Tara combines
Tara combines 2 1/4 liters of iced tea and 3 liters of lemonade into a jug. She then pours 3/4 liter of the tea/lemonade mixture into each glass. How many glasses of the mixture can she pour? - The temperature 48
The temperature in the town is 36.6°F during the day and -12.6°F at night. What is the temperature change from day to night?
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