Maths practice for 12-year-olds - page 85 of 355

Number of problems found: 7081

Equivalent expression 3
Ariel needs to calculate 12×8-6×8. Which expression will give Ariel the same answer? A.8×(12-6) B.8×(12-8) C.(12×6)-(8×8) D. (12×6)-(8+8)
A twelve-pack
A twelve-pack of juice costs $4.20. An eighteen-pack of juice costs $5.40. The eighteen-pack of juice is a better buy. How much cheaper PER JUICE is the eighteen-pack?
Six people
Six people who get the same salary arrange them in increasing order of their savings and also mention who saves the most Anil 1/3. Duma 2/5. Niki 1/4.CAI 2/3. Kat 3/4. Boo 1/2.
Value of Z
For x = -9, what is the value of Z, where Z equals fraction numerator x minus 17 over denominator 6.5 end fraction? Give your answer to 2 decimal places.
Joshua
Joshua bought 7 1/2 kilograms of chicken. He used 2 3/4 kilograms for caldereta, 3 1/8 kilograms for tinola, and the rest for frying. How many kilograms of chicken did he use for frying?
Monica 4
Monica and Ryan shared 18 cookies. Monica ate 1/6 of the cookies. Then Ryan ate 1/3 of the cookies. How many cookies were left?
In a museum
There are 250 people in a museum 2/5 of the 250 people are girls. 3/10 out of the 250 people are boys. The rest of the 250 people are adults. Find the number of adults at the museum.
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.

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