Convert to/from a number – tens and ones

key notes:

Understanding Place Value:

  • Numbers are made up of digits that represent different values based on their position.
  • The digit in the tens place shows how many groups of ten, while the ones place shows the leftover ones.

Tens and Ones Representation:

  • A number like 42 means 4 tens (40) and 2 ones (2).
  • Breaking down numbers helps in better understanding their composition.

Converting from Tens and Ones to Numbers:

  • Add the values of tens and ones together:
    Example: 3 tens + 5 ones = 30 + 5 = 35.

Converting from Numbers to Tens and Ones:

  • Identify the digit in the tens place and the ones place.
    Example: 58 has5 tens and8 ones.

Learn with an example

🔮 Type the missing numbers.

🔮 10 = ​ ____tens +____ ​ ones

  • Remember the place values:
tensones
10
  • 10 = 1 ten + 0 ones

🔮Type the missing number.

🔮 4 tens + 2 ones =  ____

  • Remember the place values:
tensones
42
  • 4 tens + 2 ones = 42

🔮 Type the missing numbers.

🔮 sixty-four =_____ ​ tens +_____ ​ ones

  • Remember the place values:
tensones
64
  • sixty-four = 6 tens + 4 ones

Let’s practice! 🖊️