Grade 4 · Maths · Lessons
Ten times, one place left
🔟ten⬅️one place left0️⃣zero🔢place value
Ten times.The big ideaEach place is ten times the place on its right.
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.
Example 1: 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.
Example 2: 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.
Example 3: 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.
Words to know
- place value
- What a digit is worth because of where it sits.
- ten times
- Ten groups of the same size.
Watch out
- Moving left makes it ten times bigger.
- Don't just add a zero: think of the place.
- Moving right makes it ten times smaller.
Try it
- The 6 in 6000 moves one place right. It is worth ?
- The 7 in 7000 moves one place right. It is worth ?
- The 6 in 6000 moves one place left. It is worth ?
Answers: 1. 600 · 2. 700 · 3. 60000
For grown-upsUse coins: ten pennies are a dime, ten dimes are a dollar.