Math > Year 2

Tens & Ones

We use digits to make a number. Every digit in a number has a place value. To make a two-digit number, we use two digits.

Two-digit numbers are made up of tens and ones.


Objects used to show tens and ones:
 

Tens

 


Ones

The first digit tells us about tens. The second digit tells us about ones.



 

Let's try some questions:
 

Question:

The number shown by the base blocks is _____.

1. 34

2. 304

3. 43

4. 403

Answer:

Number of tens = 4

Number of ones = 3

Number shown = 43


Question: 

1. 2 tens and 3 ones

2. 3 tens and 2 ones

3. 20 tens and 30 ones

4. 30 tens and 20 ones
 

Answer:

Count the number of icecreams. 

There are 23 icecreams.

There are 2 tens and 3 ones in the number 23. 

Hence, option 1 is the correct answer.


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