Natural numbers - practice for 8 year olds
Number of problems found: 35
- Pants
Peter bought 58 pairs of pants, 18 of which were torn. How many pants were not torn, which he had? - Library 4
Library A has a total collection of 250 books. Library B has 100 more books than Library A, and Library C has twice as many books as the combined number of books in Library A and B. What is the total number of books in libraries A, B and C? - Quarter 80735
What is a quarter of 36? - Chocolate 80717
There are 5 sponge cakes with chocolate coating in the package. Calculate the number of biscuits in 3, 6, and 9 packages. - Positive integer integral
How many different sets of a positive integer in the form (x, y, z) satisfy the equation xyz=1400? - Diala
Diala bought some books in 2012, and then during 2013, she bought 3 times as many books as she bought in 2012. Diala bought 48 books during these two years. Make a diagram to represent the given. How many books did Diala buy each year? - An orchard
In an orchard, there are 228 apple trees and 312 cherry trees. How many trees are there altogether? - Number 72054
I think the number. Its value equals the sum of three times the number 12 and the number 9. What number do I think? - Tourists 70884
Thirty tourists came to the cable car. Four tourists boarded each cabin. How many cabins of the cable car are full? How many tourists are in the last one? - Find two digits
Find the possible values of A and B if the six-digit number 2A16B6 is divisible by 4 and 9. Please write the result as a composed number. - Green and red cubes
There are five green cubes (numbered 1 - 5) and four red cubes (numbered 1 - 4). How many ways can the cubes fit in a box that only needs two green and three red cubes? - Marbles
Leo has 40 marbles. His brother has thrice as many marbles as he does. They have 160 marbles. What does Leo's brother have? - Triangle from sticks
Bob the boulder has many sticks of lengths 3.5 and 7. He wants to form triangles, each of whose edges consists of exactly one stick. How many non-congruent triangles can be formed with the sticks? - Attended 63784
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 - A test
A test has 20 questions. The test takes away 1 point if the answer is incorrect. A student answered eight questions incorrectly. How many points did the student lose? - Birthday party 3
There were 50 children at the birthday party. If 35 of them were boys, how many were girls? - There 15
There are 39 students in a classroom with five tables. If seven students can sit at a table, how many students can sit down at tables? - Angel 2
Angel earned $90 for pulling weeds in the garden. She spent $25 on her brother's birthday gift and $35 on a new sweatshirt to wear at soccer practice. How much money did she have left? - Saturday 50713
Pavel received a new book, which had 180 pages. He read eight pages on Friday, 24 on Saturday, and 21 on Sunday. How much more can I read? - One ball
The baker can stretch one ball of dough into a circle to make a pizza. After the pizza is cooked, it is cut into eight equal slices. How many slices of pizza can you make with three balls of dough? Solve this problem any way you choose.
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