Maths practice for 12-year-olds - page 20 of 350

Number of problems found: 6996

Mariana
Mariana wants to put 6 3/4 feet of border across the top of a wall. She has 3 6/7 feet of border. What fraction of the project can she complete?
Unit price 2
Cookie dough can be purchased in tubs or rolls. A 32-ounce tub cost $4.56 and a 16.5-ounce roll costs $2.50. Which is the better buy per ounce? Write the answer as an A or B option.
Janet
Janet walks 7/10 miles in 1/4 hour. Ian walks 9/10 miles in 1/3 hour; who walks at the faster rate and why?
Evaluate 39
Evaluate the expression shown below and write your answer as a fraction in simplest form. (5)/(12) + (1)/(9) start fraction, 5, divided by, 12, end fraction, plus, one nine.
Multiplicative inverse
What is the multiplicative inverse of 3 3/13?
Daniw
Daniw Elementary School has a total of 98 pupils. If 3/7 of them are boys, how many of the pupils are girls?
Evaluate 38
Evaluate the expression shown below and write your answer as a fraction in simplest form. (5)/(6) - (3)/(8) Transcription: start fraction, 5, divided by, 6, end fraction, minus, start fraction, 3, divided by, 8, end fraction
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?

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