Addition practice problems - page 34 of 79

Number of problems found: 1573

Unary operators
Calculate: --- (- 5) + (- (- 3)).
Sum or difference
Illustrate the sum or difference of the following expressions 1. 4/8+1/2= 2. 5/6-1/4= 3. 4-3/6= 4. 3/4+1/3= 5. 9/10-2/5=
Worker addition hours
Six workers will do the work in 8 hours. How many workers must be added if the work is to be completed in 3 hours?
Schoolyard children triplets
The children created five triplets in the schoolyard. How many children were in the schoolyard together? How many children were added when eight pairs of children joined them?
Number range difference
The difference between the greatest number and the smallest number of 27,15,38, -3, -5, .12 less 3 is:
Integer range sum
Find the sum of all integers greater than -3 and less than or equal to 5.
Math circle students
The math circle is attended by h = 10 boys and k = 5 girls. a) How many students go to the ring? b) How many students are in the ring if five girls and three boys are missing
The temperature 24
The temperature at 04:00 was −3 °C. By 09:00, the temperature had risen by 8 °C. What was the temperature at 09:00?
Dwarf roll eating
The dwarves ate 42 rolls a week, seven times as many as Snow White. How many rolls did the dwarves eat with Snow White?
Card sum probability
There are tickets with the numbers 1, 2, 3, 4, 5, 6, 7, and 8 in the envelope. Two tickets are drawn from the envelope at a time. What is the probability that the sum of the numbers drawn will be 7? Write the result as a decimal rounded to hundredths.
Candy color ratio
There are white, red, and green candies in the package. The number of white and red candies is in the ratio of 1:3, and the number of red and green candies is in the ratio of 4:7. There are 20 more green candies than white and red combined. How many candi
Nut mix weight
Mom bought a mixture of nuts. It contains 0.2 kg of hazelnuts. 1/4 kg of cashew nuts and 2/3 kg of peanuts. How much did the whole mix weigh?
Evaluate 21
Evaluate 6xy for x=5 and y=2. We are evaluating algebraic expressions and the addition and subtraction of polynomials.
The temperature 22
The temperature in a room in the morning is 28 °C. It rises by 9 °C in the afternoon before dropping by 11 °C at night. What is the temperature in the room at the end of the day?
Hens and rabbits
There are a certain number of hens and rabbits in a room. The number of feet of the hens exceeds the number of feet of the rabbits by 12, while the number of heads of the hens exceeds the number of the heads of the rabbits by 28. Then the number of hens a
Extra hour earnings
Peter earns € 3.4 per extra hour. How much do all extras earn when they shoot from 9:00 to 14:30, and there are 15 in addition to Peter?
Number series key
A series of numbers was created according to a specific key. Uncover it and fill in the last two missing numbers. 2-3-6-15-42-? -?
Iron pipe rows
Iron pipes are stacked in 10 rows, one above the other, so that the top row has 15 pipes and each row below has one more pipe. How many pipes are there in total?
Retirement saving
Deryl wishes to save money to provide for his retirement. Beginning one year from now, he will begin depositing the same fixed amount each year for the next 30 years into a retirement savings account. Starting one year after making his last deposit, he wi
The temperature 21
The temperature on a cold winter's day in Canada was -4 °C. It has increased by 6 °C by midday. What was the midday temperature?

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