Addition practice problems - page 44 of 73
Number of problems found: 1450
- Squirrels
The squirrels discovered a bush with hazelnuts. The first squirrel plucked one nut, the second squirrel two nuts, and the third squirrel three nuts. Each new squirrel always tore one nut more than the previous squirrel. When they plucked all the nuts from - Add sub fractions
What is 4 1/2+2/7-213/14? - Ground level
The ground-level temperature in Helsinki is 20°C lower than in London. The temperature in a basement flat in Helsinki is 5°C below the temperature at ground level. If it is -29°c in the basement, what is the temperature in London? - Absolute 37423
Add the absolute values:
- At midmorning
The temperature at midmorning was 31°C. Early in the evening, the temperature dropped by 5°C. What was the resulting temperature? - Weather
Weather. At 5:00 am, the temperature was 28°C, and at noontime, it rose by 9°C. By 4:00 PM, it dropped 3°C; by nighttime, it was 4°C less. What is the room temperature this time? - Following 37221
The river level was 2 cm above normal at the beginning of the month, then rose 5 cm, fell 12 cm in the following days, then lost 9 cm, and finally rose 7 cm. How high was the river level at the end of the month? - Decompose 37101
Decompose the number of primes and find its digit sum: 180, 232, 460, 240, 365, - Math homework
It took Jose two-thirds of an hour to complete his math homework on Monday, three-fourths of an hour on Tuesday, and any two-fifths of an hour on Wednesday. How many hours did it take Jose to complete his homework altogether?
- Common difference
The 4th term of an arithmetic progression is 6. Find the common difference if the sum of the 8th and 9th terms is -72. - Half-planes 36831
The line p and the two inner points of one of the half-planes determined by the line p are given. Find point X on the line p so that the sum of its distances from points A and B is the smallest. - 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? - Identical 36423
We glued the letter T from two identical wooden blocks, 5 cm x 5 cm x 10 cm, and wanted to paint it. How big will it be? - Subtracting 36203
The petals of each always have something in common. Can you figure out what number will be in the middle of the flower so that when subtracting and adding, the numbers come from the flowers? The flowers are numbered 50, 30, 20, 40, and 10.
- 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? - Angles of a hexagon
Find the interior angles of a hexagon if the sizes of the angles form an arithmetic sequence, and the smallest angle is 70°. - The temperature 10
The temperature in a freezer is -15°C, which increases by 3°C. - Eight chairs
There are eight chairs by the table, and one more child sitting on each one. There are two times more girls than boys. How many girls and how many boys can there be?
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