Addition - practice for 11 year olds - page 16 of 24
Number of problems found: 480
- Granddaughter
In 2014, the sum of the ages of Meghan's aunt, her daughter, and her granddaughter was equal to 100 years. We know the age of each can be expressed as the power of two. In what year was the granddaughter born? - Below sea level
A submarine was situated 800 ft. Below sea level. If it ascends 250 ft., What is its new position? (Hint: Below sea level implies a negative integer). - Clock mathematics
If it is now 7:38 PM, what time will it be in 30,033,996,480 minutes from now? - The temperature 10
The temperature in a freezer is -15°C, which increases by 3°C.
- Three-fifths 34771
Calculate three-fifths of the ratio of the product and the sum of all prime divisors of 240. - Parentheses: 34731
Evaluate the expression with parentheses: 12 • (-4,3) + 3 • [14- (23-4 • 5)] - 2 • {36- [18- (28-76)]} = - Integer add to fraction
Seven is added to the sum of 4/5 and 6/7 - A trout
A trout was swimming 9 feet below the surface of a lake. It dove down eight more feet to search for food. What is the position of the trout now relative to the surface? To solve the problem, Denise subtracted 9–8 and came up with an answer of 17 feet. Is - Money pocket
Andy had $5.95 in his pocket. His father gave him another $3.55. How much does Andy have altogether now? B. How much would Andy have to deposit to have $200?
- The temperature 9
The temperature at 9 AM is 2 degrees. The temperature rises three more degrees by noon. Which expression describes the temperature at noon? Calculate the new temperature value. - Temperature rise and fall
On Friday, the temperature was 82°F. The temperature changed by –2°F on Saturday, and then it changed by 5°F on Sunday. What was the temperature on Sunday? How did the temperature change? Note we consider the mathematical problem formulated in this way to - Rubberized 33173
Jaro had 4 angles written in his notebook, the sum of which was a right angle. The little sister rubberized one corner of it. Determine its size if the remaining angles remain written in the notebook: 12°34, 34°56, 56°9. - Calculate 31861
Calculate the digit sum of 1 345 901 - Rectangular garden
The rectangular garden has a length of 48.7 m and a width of 6.3 meters shorter than the length. How much mesh should be bought for its fencing if the gate is 2.9 m long and the gate 1.1 m? What is the area of the garden?
- Polynomial: 29981
Calculate the value of a polynomial: 14 * 32 - 27:3 + 11 * 4:2 = - At noon
At noon today, it was 6°C outside, but it has increased to 4°C since then. What is the temperature outside now? - On the floor
You enter the room, and there are two dogs, four horses, one giraffe, and one duck on the bed. Three chickens are flying over the chair. How many feet are on the floor? - One-third 28793
Mom baked cheese and poppy seed buns. One-third of them, 26 buns, were poppy. How many buns did mom bake? - Adding mixed 4
Two and 1/8th plus 1 and 1/3rd =
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