Maths practice for 12-year-olds - page 83 of 362
Number of problems found: 7228
- A triangle 5
A triangle has sides 15/23 feet, 28/34 feet, and 35/29 feet. What is the triangle's perimeter (the distance around the edges) in feet? Express your answer in mixed number form, and reduce if possible. - Rebecca
Rebecca needs to make a quilt. She has two pieces of fabric. One piece has 3 3/4 yards of fabric, and the other piece has 5 1/2 yards of fabric. How many yards of fabric does Rebecca currently have? - Solve 14
Solve fraction subtraction or addition: 1/2 - 1/4 = 4/6 + 2/3 = 5/8 + 3/12 = 1/9 + 2/3 = 8/9 - 7/12 = 11/12 - 3/8 = 2/3 - 2/7 = 3/4 - 3/9 = 3/8 - 1/6 = 3/5 - 4/8 = 2/6 - 1/12 = 3/8 + 3/4 = 5/6 + 4/9 = 1/4 + 3/10 = 6/20 + 4/25 = 6/6 + 1/3 = - Daniel 3
Daniel bought 1/2 kg of grapes and 2/3 kg of bananas for his children. How many kilograms of fruits did he buy in all? - Each side
Each side of a regular polygon is 5.2 m, and its perimeter is 36.4 m. Find the number of sides of a polygon. - A plumber 2
A plumber charges $29.00 for an hour of work. How much would he charge for a job that took him 1 3/4 hours to finish? - A stick
A stick is 12 4/7 meters long. If the worker cuts 3/8 of it into pieces, how long is the remaining stick?
- Three people
Three people eat two pizzas altogether. Both pizzas are the same size. One person eats 2/3 of a pizza. A second person eats 1/2 of a pizza. How much pizza does the third person eat? - Vegetable garden
The four sides of a vegetable garden are 15 1/2 feet, 18 3/4 feet, 24 1/4 feet, and 30 1/2 feet. How many feet of fencing are needed to go around the garden? (write the answer as the whole number) - A farmer 6
A farmer made a square chicken coop of 6 1/3m. Determine the perimeter of the chicken coop. (Recall: perimeter =add all sides) - Square field
The perimeter of a square field is 64 m. Find the cost of cementing the field at the cost of 240 USD per square meter. - Medical trail
In a medical trial, there were 80 patients. 44 received treatment A, 50 received treatment B, and 20 received both treatment A and treatment B. How many patients did not undergo any treatment? - Compare fractions
Find which is the larger of the two fractions: 11/32, 7/24 by expressing the numbers as: a) fractions with the same denominator; b) decimals. - A farm 6 A farm has 20 animals. There are four chickens. What fraction of the animals are chickens? Express your answer as a fraction in the simplest form.
- A welder
A welder has two pieces of half-inch pipe, one of length 2 3/8 ft and another of length 3 7/8 ft. What is the total length of the two welded together? How much must be cut off if she needs a total length of 4 3/4 ft?
- 1/12 fraction
Which statement about determining the quotient 1/12÷3 is true? A. Because 1/36×3=1/12, 1/12 divided by 3 is 1/36. B. Because 1/4×3=1/12, 1/12 divided by 3 is 1/4. C. Because 3/4×3=1/12, 1/12 divided by 3 is 3/4. D. Because 4/3×3=1/12, 1/12 divided by 3 is - Puppies
At an animal rescue, 5/6 of the animals are dogs. Three-fourths of the dogs are puppies. This model represents the fraction of the animals at the rescue that is puppies. What fraction of the animals at the rescue are puppies? - A pizza 4 A pizza shop charges $2.00 for a slice that is one-eighth of a pizza and $3.00 for a slice that is one-fourth of a pizza. One day the pizza shop makes six pizzas. How much more money will they make if they slice all the pizzas into eighths than if they sl
- Mr Ambayen
Mr. Ambayen had 3 6/7 hectares of land. He planted 1/5 of it for coconut trees and 1/2 for avocado trees. What fraction of Mr. Ambayen's land was planted with trees? - A baker 3
A baker made three cakes, which were cut into eighths and ready for individual sale. A customer bought three slices or ⅜ of one of the eight cakes. How many slices were left for sale?
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