Math
How Can 7 Mean 7, 70 and 700?
The digit looks the same. Why does its value change?
The short answer
7 = 7 ones. 70 = 7 tens. 700 = 7 hundreds.
Let’s explore
- 7 = 7 ones. 70 = 7 tens. 700 = 7 hundreds.
- This is called place value. A digit’s position tells us how much it is worth.
Quick Quiz
- What is the short answer to “How Can 7 Mean 7, 70 and 700?”?
- Can you explain one key fact in your own words?
- What new question would you like to explore next?
Related Topics
Math
Which Is Greater - 368 or 386?
How can we compare two three-digit numbers quickly?
Start by comparing the largest place value. 368 and 386 both have 3 hundreds.
Math
Why Do We Skip Count?
2, 4, 6, 8, 10... What are we really doing?
Skip counting helps us count equal groups faster.
Math
Odd or Even?
How can we tell if a number is odd or even?
Even numbers can be divided into two equal whole-number groups. Examples: 2, 4, 6, 8.