## Place value exercise

Place value is a way of writing numbers that tells us how much each digit in the number is worth.

In our number system, we use ten digits: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. We use these digits to represent all the numbers we need.

When we write a number, we use different positions for each digit. These positions are called “place values”.

The place values start with the ones place, then go to the tens place, then the hundreds place, and so on.

For example, let’s look at the number 25. In this number, the digit 5 is in the ones place, and the digit 2 is in the tens place.

This means that the digit 5 represents 5 ones, and the digit 2 represents 2 tens (or 20 ones).

We can use place value to write larger numbers too. For example, let’s look at the number 123. In this number, the digit 3 is in the ones place, the digit 2 is in the tens place, and the digit 1 is in the hundreds place.

This means that the digit 3 represents 3 ones, the digit 2 represents 2 tens, and the digit 1 represents 1 hundred (or 100 ones).

By using place value, we can understand how much each digit is worth, and we can use this to add, subtract, multiply, and divide numbers.