# Natural numbers + subtraction - practice problems

#### Number of problems found: 56

- Row for lunch

There are less than 66 people in a row for lunch. In front of Eva, there are 28 students. Behind Martin, there are 30 people. Between Eva and Martin, there are 17 people. How many students stand behind Eva if Martin stands in front of Eva? - Forty

Forty five of the 80 students were girls. What is the ratio of girls to boys? - Shirts

In a classroom, 1/6 of the students are wearing blue shirts and 2/3 are wearing white shirts. There are 36 students in the class. How many students are wearing a shirt other than blue or white? - Tomatoes

There were 2414 crates of tomatoes in the barn, but 735 crates of tomatoes were rotten and had to be thrown out. Joe sold 813 crates and canned 756 crates of tomatoes. How many crates of tomatoes does Joe have left? - Pupils 7

There are 40 pupils in a certain class. 3/5 of the class are boys. How many are girls? - How many

How many integers are greater than 547/3 and less than 931/4? - Metal ductwork

The new hospital would require 5,840 feet of sheet metal ductwork. The order is too large for a single fabricator, so they decided to split the order among four fabricators. Fabricator 1 received an order for 2,500 feet, Fabricator 2 obtained an order - Six-eights

Six-eights of the one hundred pupils joined the Math Glee club. If the Math Glee club members were grouped into three, how many members were in each group? - Granddaughter

In 2014, the sum of the ages of Meghan's aunt, her daughter and her granddaughter was equal to 100 years. In what year was the granddaughter born, if we know that the age of each can be expressed as the power of two? - In the bowl

There are 12 pears in the bowl. Erik ate a third. How many pears remained in the bowl? - Candies

There are 150 candies in the bowl. Ivan took 7 thirtieths, Charles 6 fifteenths, and Thomas 3 tenths. How many sweets are left in the bowl? - Students at cinema

All pupils from the school went to the cinema for a film performance. The cinema has 400 seats, 2 rows of 20 seats remain unoccupied. Teachers occupied 10 places. How many students were there? - Voting

Four hundred employees cast their votes in a board member election that has only two candidates. One hundred twenty people vote for candidate A, while half of the remaining voters abstain. How many votes does candidate B receive? - The Hotel

The Holiday Hotel has the same number of rooms on each floor. Rooms are numbered with natural numerals sequentially from the first floor, no number is omitted, and each room has a different number. Three tourists arrived at the hotel. The first one was in - Pimps

There were 24 pimps on the plate. Maros ate 12, his little sister four times less. How many pimps remained on the plate? - Game 27

Susan wanted to play the game. In the beginning, the first says a number from 1 to 8. Then the second player adds a number from 1 to 5 and tells the sum. Again, the Susan adds a number from 1-5 and say sum and etc. . . The winner must say the number 27. W - Grandma

Grandma bought two 10 pack of eggs. She used 8 eggs on the cake, 2 times less on the omelette and 4 more eggs for breakfast. How many eggs did it stand for? - Identity

123456789 = 100 Use only three plus or minus characters to correct previous identity/equation. - Beautiful alley

In the alley 4 rows of 10 trees and 5 rows of 8 trees blossomed. Six of the trees have already blossomed. How many trees still bloom in the alley? - Princess

Princess has lost 321 beads and Prince George are all trying to find. On the first day he found all but 83 beads. On the second day he found 68 beads. On the third day he found the rest, but the princess had lost 76. How many beads had Princess after the

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Natural numbers - practice problems. Subtraction practice problems.