Maths practice for 12-year-olds - page 21 of 355
Number of problems found: 7081
- One group
In a meeting of 100 people, there are 45 women, what fraction of the number of the meeting are men. - Pupils - boys and girls
5/8 of the pupils in a hall were boys. 7/10 of the boys wore glasses. 48 boys didn't wear glasses. How many pupils were there in the hall? - Mr. and Mrs.
Mr. and Mrs. Williams want to buy a boat that costs $18,520. Mr. Williams saved $850 each month for 7 months. Mrs. Williams saved $970 each month for 7 months. If they combine their money, how much will they have? Will they have enough money to buy the bo - 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 each letter of the alphabet only once. He used only 8 letters to solve the puzzle. What fraction of the 26 letters in the alphabet did he use? Express your answer as a fraction in simplest form.
- Divide 42 Divide. Write your answer in the lowest terms as a proper or improper fraction. (8/25)÷(-4/5)
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