Addition practice problems - page 74 of 77
Number of problems found: 1531
- Annie
Annie had a few cents in her wallet. She bought three buns for 9 cents. Now she has 53 cents in the wallet. How many cents previously Annie had in the wallet? - Hexadecimal number
What will the hexadecimal number 303 be as a decimal number? - Buffet
At the school, buffet were 30 children. Twenty-one children bought sandwiches, and 15 children bought lemonade. The four children did not buy anything. How many children bought lemonade and sandwiches? - Floods
After the floods that hit a school, parents helped repair the damage. My father worked at the school for 50 hours, and my mom worked for 5 hours less. How many hours worked, mother? How many hours did my parents work together? - Cycling
The cyclist goes on a trip. First, I drove at 4 hour at an average speed of 44 kilometers per hour, then slowed down, and another 4 hours driving at a speed 36 kilometers per hour. How many total kilometers are cycling? - Letters
The school children wrote 20 letters in the afternoon and then threw 20 letters. The teacher counted the children, and the children were 22, so they went to throw for two sheets. How many letters were sent together? - The largest number
Find the largest integer such that: 1. No figures are not repeated, 2. The multiplication of every two digits is odd, 3. In addition, all digits are odd.
- Apples
Hanka has 5 apples more than Juro and 7 apples less than Mirka. Mirka has 19 apples. How many apples have Hanka, and how many Juro? - Collection
Majka gave Hana 15 calendars, Julia 6 calendars, and Petra 10 calendars from her collection of calendars. Still remains 77 calendars. How many calendars had Majka in her collection at the beginning? - Bus driver
The bus driver rides 174 km in the morning and 26 km more in the afternoon. If he rides on the same line, how many kilometers does he travel in five days? - Workman - shift
The worker produces 300 components per shift. If his performance gradually increased by 3 components every shift, how many components would be produced in the 18 shifts? - Cupcakes
In a bowl were some cupcakes. Janka ate one-third, and Danka ate one-quarter of the cupcakes. a) How many cookies ate together? b) How many cookies remain in a bowl? Write the results as a decimal number and notepad as a fraction. - Gingerbread
John decorated 29 gingerbread, and Annie 8 more. How many gingerbreads decorated Annie? - Boys and girls
In the class are 20 boys and 4-times fewer girls. How many girls are in the classroom? How many children are in the class? - Password
The voltage station is day changing the master password, which consists of three letters. The code generation process does not change and is based on the following procedure: The following letters (A) to (I) correspond to different numbers from 1 to 9 if
- ZOO
In the zoo were elephants, as many as ostriches. Monkeys were four times more than elephants. Monkeys were as many as flamingos. Wolves were five times less than flamingos. How many of these animals were together? We know that there were four wolves. - Decimal to fraction
Write the decimal number 8.638333333 as a fraction A/B in the basic form. Given decimal has infinite repeating figures. - Curtains
Hanak bought 50 m curtains. The dining room needed 90 m and 90 m to the hallways of curtains. How many meters of curtains were bought in total? - De Moivre's formula
There are two distinct complex numbers, such that z³ is equal to 1 and z is not equal to 1. Calculate the sum of these two numbers. - Playing Cards
Kara has 2 times more cards than Dana. Dana has 4× less than Mary. Together, they have 728 cards. How many cards have each of them?
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