Maths practice for 12-year-olds - page 18 of 303
Number of problems found: 6056
- LCM or HCF
Find the lowest common multiple of these two numbers: 105 226 - The number 9
The number of minutes it took Jim to ride his bike to school for each of the past six days was 21, 18, 16, 19, 24, and 19. Find the mean number of minutes. - Round to millions How to round 3,216,534 to the nearest 1,000,000
- Jason 3
Jason bought 3 liters of cola. He drank 3/5 liters of it and gave 2/7 liters to his brother. How much cola did Jason have left?
- 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.
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).Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
