Examples of equations for practice for 12 year olds - page 27 of 58
Number of problems found: 1144
- 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? - Fruits
Amy bought a basket of fruits 1/5 of them were apples,1/4 were oranges, and the rest were 33 bananas. How many fruits did she buy in all? - Negative in equation
2x + 3 + 7x = – 24, what is the value of x? - Gasoline tank 2
A gasoline tank is 1/6 full. When the family added 25 liters of gasoline, it became 3/4 full. How many are liters more needed to fill them? Show your solution.
- Solve 2
Solve integer equation: a +b+c =30 a, b, c = can be odd natural number from this set (1,3,5,7,9,11,13,15) - Digit sum
How many are three-digit numbers that have a digit sum of 6? - Two rectangles
I cut out two rectangles with 54 cm² and 90 cm². Their sides are expressed in whole centimeters. If I put these rectangles together, I get a rectangle with an area of 144 cm². What dimensions can this large rectangle have? Write all options. Explain your - Summer camp
Eighty-four children spent their holidays at the summer camp. There were eight fewer boys than girls. What percentage were boys and what percentage were girls? - Remaining 6638
The farm (ZD) grows corn on a third of its land, barley on a quarter, half of the remaining acreage is planted with clover, and the last 9 ha is reserved for growing cabbage. What is the size of the farm?
- Solve: 6632
For n ϵ N solve: 100 = (0.01n)² - Circumference 6598
Adam had three identical rectangles. He put them together and got a rectangle with a circumference of 50 cm. Then, he placed them differently and got a rectangle with a larger circumference. Calculate its perimeter. - Pupils 6579
There are 169 pupils, 45 rooms, how many rooms are three beds and how many five beds? - Book reading
If we read the book at a speed of 15 pages a day, we read it three days before we read it at a speed of 10 pages per day. If I read six pages per day, how many days will I read the book? - Percent 6567
Jana spent CZK 366 on books, which was 75 percent of her savings. How much CZK did Jana have saved?
- Equations: 6562
Solve the equations: (3n-3) / 3 = (9 + 2n) / 2 2x / 4 - 3 = 1 / 2x + 1 - Fractions: 6543
Solve the equation with fractions: x / 3-x / 8 = x / 12 + x / 8 - One-third 6529
The worm Oliver Zoubek decided to bite through the oak log. In the first year, he made a hole in one-third. The second year, he chewed through one-third of the rest. In the third year, again, a third of the rest, and in the fourth year, he had 16 cm left. - A man
A man spends 5/9 of his money on rent and 5/16 of the remainder on electricity. If the final balance remaining is 550, find how much was spent on rent. - Pedestrian 6526
At 9 o'clock, the pedestrian climbed at an average speed of 5 km/h, and 3 hours later, a cyclist followed him at 12 km/h. Determine what time they will meet.
Do you have homework that you need help solving? Ask a question, and we will try to solve it.
Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation? Equations practice problems. Maths practice for 12-year-olds.