Maths practice for 9-year-olds - last page

Number of problems found: 408

Textbooks
After checking the textbooks, it was found that teachers should withdraw every 9-th textbook. Together, 176 textbooks were withdrawn. How many textbooks were in stock before being withdrawn, and how many after withdrawal?
Balls
I have 12 balls, and my friend has 21. About how many have my friend more balls?
Three cats
If three cats eat three mice in three minutes, after which time 70 cats eat 70 mice?
Subtraction
How many times can you subtract the number 4 from the number 64?

Carpenter
You want to cut the longboard into smaller pieces. Carpenter said that one board cut into two pieces would cost you 40 cents. But you need to cut the board into 5 parts. How much do you pay?
Glasses
Imagine a set of students in your class (number of students: 15) who wears glasses. How many minimum and maximum elements may contain this set?
Like
There are 110 liters of water in 10 barrels. How many barrels of 5 liters do I need to get all the water from the larger barrels?
Holidays
Calculate how many hours holidays take if it takes 5 weeks.

We apologize, but in this category are not a lot of examples.
Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.