# Natural numbers - high school - math problems

#### Number of problems found: 138

• Seedbeds The father wants to plant 2 seedbeds of carrot and 2 seedbeds of onion. Use a tree chart to find how many different options for placing the seedbeds he has.
• Fraction to decimal infinite Determine which digit is at 1000th place after the decimal point in the decimal expansion of the fraction 9/28. 78 school students graduate from mathematics or physics. There are three times more students who graduate from mathematics and do not graduate from physics than those who graduate from physics and do not graduate from mathematics. 69 students graduate fro
• Sum 1-6 Find the sum of the geometric progression 3, 15, 75,… to six terms.
• Negative difference Find four arithmetic progression members between 7 and -6.
• Sum of odd numbers Find the sum of all odd integers from 13 to 781.
• AP members What is the value of x2, x3, x4, x5…of the terms (of arithmetic progression) when x1 = 8 and x6 = 20?
• What are What are the four terms between 4 and 19?
• 10th term What is the 10th term of the Arithmetic Progression if x1=4 and d=5?
• Wedding guests Fifteen wedding guests could not agree on who would stand in the wedding photo. The groom suggested that all possible sets of wedding guests be made in the photographs.
• Ten persons Ten persons, each person makes a hand to each person. How many hands were given?
• Big numbers How many natural numbers less than 10 to the sixth can be written in numbers: a) 9.8.7 b) 9.8.0 Up to 48 rooms, some of which are triple and some quadruple, accommodated 173 people so that all beds are occupied. How many triple and how many quadruple rooms were there?
• Quarantine cupcakes Mr. Honse was baking quarantine cupcakes. Mrs. Carr made twice as many as Mr. Honse. Ms. Sanchez made 12 cupcakes, more than Mr. Honse. If they put all their cupcakes together (which they can't because. .. quarantine!), they would have 108 cupcakes. How m
• Lookout tower How high is the lookout tower? If each step was 3 cm lower, 60 more of them were on the lookout tower. If it were 3 cm higher again, it would be 40 less than it is now.
• Coffe cups We have 4 cups with 4 different patterns. How many possible combinations can we create from 4 cups?
• Tournament How many matches will be played in a football tournament in which there are two groups of 5 teams if one match is played in groups with each other and the group winners play a match for the overall winner of the tournament?
• Wagons We have six wagons, two white, two blue, and two red. We assemble trains from them, wagons of the same color are exactly the same, so if we change only two white wagons on a train, it's still the same train, because I don't know any different. How many di
• Finite arithmetic sequence How many numbers should be inserted between the numbers 1 and 25 so that all numbers create a finite arithmetic sequence and that the sum of all members of this group is 117?
• Columns of two and three When students in one class stand in columns of two, there is none left. When he stands in columns of three, there is one student left. There are 5 more double columns than three columns. How many students are in the class?

Do you have an interesting mathematical word problem that you can't solve? Submit a math problem, and we can try to solve it.

We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...

Natural numbers - math problems. Examples for secondary school students.