Maths practice for 12-year-olds - page 226 of 347
Number of problems found: 6932
- Sum of fractions
What is the sum of 2/3+3/5? - Is right triangle or not
If the right triangle is ABC, it has sides a=13, b=11.5, and c=22.5. Find area. - Divide Length Ratio
Divide 2502 dm in the ratio of 2:4 - Land area 2
A land area was divided among the three heirs in the ratio of 5:2:4. If the largest share was 20 hectares of land, what is the total land area? Please show your solution and what kind of proportion it is. - Reciprocal equation 3
Solve a reciprocal equation: 1/2 + 2/3=1/x - Together 3
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? - Trevor
Trevor wishes to tile the floor of his bathroom. The bathroom is rectangular and is 4.2 m long and 3.3 m wide. The tiles are 30 cm by 30 cm. Calculate the cost to tile the floor if each tile costs 72 cents. - Average grade
In a 9th-grade class, the teacher graded 24 pupils for the semester: 5 received grade 1, 8 received grade 2, and 11 received grade 3. Find the average grade in mathematics. - After 2
After we planted flowers in 2/5 of our garden, 24m remained unplanted. How many meters is the garden in total? If the total area of the garden is 1, what is the proportion of the remaining area? - Equation 29
Solve the next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 ) - Perimeter of base
The circumference of the base of the rotating cylinder is the same as its height. What is the diameter and height of this cylinder with a volume of 1 liter? - Sewing
The lady cut off one-half of the cloth. She needed three-quarters of this piece to sew a skirt. What part of the original piece of cloth remained? - Comparing and sorting
Arrange in descending order these fractions: 2/7, 7/10 & 1/2 - Maria
Maria has decided to plant grapes in the garden behind her house. His neighbor Ben has grown grapes successfully for a long time and has given Maria advice on how to plant vines. Ben told her to plant them 3 meters apart in rows and 3 meters apart. Maria - Symbols
If 2*3 = 60 ; 3*4 = 120 and 4*5 = 200, what is 2*5? - Irrigation sprinkler The irrigation sprinkler can twist at an angle of 320° and reach 12 meters. Which area can you irrigate?
- Fe metal sheet
5/8 of the metal sheet is consumed for one product, and the second 5/6 remains. What part of the sheet metal is needed for both products together? - My father
My father has a big farm. He planted 6/8 of it with mango trees, 1/2 of the remainder are guava trees, and the remaining 10 trees are santol trees. What is the number of all trees? - The Stolen Money
A man walks into a store and steals a $100 bill. Five minutes later, he returns to the store and buys stuff worth $70. He pays with the bill that he had stolen, so the owner of the store returns him $30. How many dollars did the store owner lose? - Factors 2
A number has three identical factors. If 1 of them is 18. Find the number step by step
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