Maths practice for 12-year-olds - page 82 of 349

Number of problems found: 6970

Carlos
Carlos, a market vendor, has 35 kg of assorted vegetables. He was able to sell 5 1/2 kg of squash, 4 3/4 kg of okra, and 5 1/2 kg of eggplant. How many kilograms of vegetables did he sell?
Sytiel
Sytiel used 3/10 of the water in his tank to wash his car. He used 1/10 to water his plants. Now he is using 5/10 for his laundry. How many parts of water in the tank did he use up?
For each
For each pair of expressions, circle the greater product without finding the product. (write 1=left expression, 2=right expression) a. 3/4 x 2/3 and 3/4 x 1/2 b. 2/3 x 3 1/4 and 4/3 x 3 1/4 c. 3/8 x 3/8 and 3/8 x 1/2
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)

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