How it works
Each place is ten times the place on its right.
A digit moving one place left is worth ten times as much.
Moving one place right makes it worth a tenth.
Worked examples
One place left
- The 9 in 90 moves one place left. It is worth ?
- The 9 in 90 moves one place left.
- 9 tens becomes 9 hundreds, which is 900.
- So the answer is 900.
What a digit is worth
- The 2 in the hundreds place of 40215 is worth ?
- In 40215 the 2 is in the hundreds place.
- 2 hundreds is 200.
- So the answer is 200.
One place right
- The 9 in 900000 moves one place right. It is worth ?
- The 9 in 900000 moves one place right.
- 9 hundred thousands becomes 9 ten thousands, which is 90000.
- So the answer is 90000.
A taste of the worksheet
These are the first problems of set A. The printable sheet has many more, with an answer key.
- The 7 in 7 moves one place left. It is worth __
- The 1 in 100 moves one place right. It is worth __
- The 1 in the hundreds place of 187 is worth __