Natural numbers - practice for 9 year olds
Number of problems found: 71
- Divide 37
Divide 2406 cherries equally among 3 children. How many each got? - Pants
Peter bought 58 pairs of pants, 18 of which were torn. How many pants were not torn, which he had? - Dividend, divisor and quotient
Hiba got the answer of 72 after dividing two numbers. If the divisor was 14, what was the dividend? - Lucas
Lucas is trying to find 6×15. He knows that 3×15=45. He also knows that 6=2×3. How can Lucas use 3×15 to help him find 6×15?
- 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? - Locker combination
Todd forgot the first two numbers of his locker combination. The numbers can be any number 1 through 6. What is the probability that he will guess the first number correctly and the second number incorrectly? - 52 cards
A hand of five cards is dealt from a pack of 52 playing cards. How many different hands can be dealt that contain three aces? - Life
Calculate how many years has man lived for 12248 days? - Written number
Place+values x ten thousand =30 thousand
- Balls
I have 12 balls, and my friend has 21. About how many have my friend more balls? - Two-digit 7256
Write how many two-digit numbers have the sum of the digits 6? - Difference 54221
Add 7 to the difference between 630 and 400. - Numbers 4387
Write numbers from 0 to 100 with the same number of units and tens. - Snowballs 2794
Adam made 20 snowballs. Boris made fewer snowballs. How many snowballs could Boris do?
- Difference 37721
Subtract the number opposite to the difference from the sum of numbers 5 and 11. - Unknown number 22
I am a two-digit number. My tens digits are 4. My one digit is three more than my tens. Who am I? - 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? - Napkins
Viera and Darina exchanged napkins. Always three yellow for four red napkins. How many yellow napkins will Viera receive for 24 red napkins? - Birthday party 3
There were 50 children at the birthday party. If 35 of them were boys, how many were girls?
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Natural numbers - practice problems. Maths practice for 9-year-olds.