Examples of equations for practice for 12 year olds - page 16 of 56
Number of problems found: 1119
- Children 5612
The woman has two children; in 4 years, they will be 60 years old, and the children are the same age. How old are the children now? - Two-thirds 4450
Marek has balls of three colors. Two-thirds of the balls are green, 2/7 are blue, and one ball is yellow. How many balls does Marek have? - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - One-fifth 3308
His father was four years as old as one-fifth of his age now eight years ago. How old is she? - Coffee
The coffee from the machine costs 28 cents per cup. Coffee is 20 cents more expensive than the cup. How much is the cup? - Fruits
2/3 of the fruits are cherries, and the rest are grapes. I sold 1/2 of the cherries and 1/4 of the grapes. If I had 280 left, how many fruits had I at first? - Leo bought
Leo bought 4 T-shirts and 2 pants of pants for Pho 3000. If the T-shirts cost 300 each, find the cost of each pair of pants - Swimming pool 7
The perimeter of a rectangular swimming pool is 20 4/5 meters. Its length is thrice its width. What is the length of the pool? What is its width? - Baxter
Baxter ate 1/12 of a box of dog food. Now the box is 3/4 full. What fraction of the full of a full box was there before Baxter? - A fraction
I think of a fraction. If we increase its numerator and denominator by one, the value of the fraction increases by one-tenth. What fraction do I think? - Unknown number
If we subtract three from the unknown number, we get just as much as if we subtract seven from the unknown number and we multiplied the result by 2. - Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - Mother and daughter
Mother is 44 years old, and her daughter is 14. How many years ago was her mother four times older than her daughter? - Midpoint 6
For line segment length is given: FM=8a+1, FG=42. Point M is the midpoint of FG. Find unknown a. - Vehicle tank
A vehicle tank was 3/5 full of petrol. When 21 liters of fuel was added, it was 5/6 full. How many liters of petrol can the tank hold? - Unknown number 7
16% of the unknown number is 21 less than the unknown number itself. Determine the unknown natural number. - Saving
The boy has saved 50 coins, € 5, and € 2. He saved € 190. How many were € 5, and how many were € 2? - Mr. Happy
Mr. Happy planted 36.6 meters of square garden grass; It's a third of the garden, more than half of the garden. What is the square area of this garden? - Rabbit family
The rabbit family ate 32 pieces of carrots. The small one ate six pieces, and the dad five more than the mother. How many pieces did Mom eat? - Mushrooms
For five days, we collected 410 mushrooms. Interestingly, we collected ten mushrooms more every day than the preceding day. How many mushrooms have we collected during the 4th day?
Do you have homework that you need help solving? Ask a question, and we will try to solve it.