The two digits of a two-digit number
Mathematics · Number Representation & Place Value · conceptual
Understand that the two digits of a two-digit number represent amounts of tens and ones
What mastery looks like
- Explain that in 47, the 4 represents 4 tens (40) and the 7 represents 7 ones
- Use base-ten blocks to show a two-digit number as tens and ones
- Identify the tens digit and ones digit in any two-digit number
Check your understanding
If The two digits of a two-digit number sees the number 47, can they tell you there are 4 tens (forty) and 7 ones — rather than just reading the digits as 'four seven'?
Prerequisites
Required first
Unlocks (9 directly)
- Fluent addition and subtraction
- A Hundred Is Ten Tens
- Representing Numbers
- Mental addition and subtraction (age 6+)
- The three digits of a three-digit number
- Shape patterns
- Adding within 100
- Adding and subtracting tens mentally
- Place value understanding and number facts
- 10 More or 10 Less
- Counting forwards and backwards (age 6+)
- Comparing and ordering numbers