Watch: Tens and ones
Partitioning into tens and one
Here are some numbers under 100. Can you partition them into tens and ones?
43, 61, 89, 35
Let鈥檚 see how many tens and ones are in each number. We can use a place value chart to help us.
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Part-whole diagrams
You can also use a part-whole diagram to show the tens and ones in each number.
Let's look at the same numbers again, but this time let's represent them using a part whole diagram.
Now let's try some more examples.
Which number has 5 tens and 4 ones?
5 tens and 4 ones = 54
Which number has 3 tens and 8 ones?
3 tens and 8 ones = 38
What number has 7 tens and 0 ones?
7 tens and 0 ones = 70
Activity 1
Numbers up to 100 can be partitioned into tens and ones.
Practise partitioning numbers into tens and ones.
The first digit is the tens and the last digit is the ones.
In 17 sweets, there are 1 ten and 7 ones.
In 23 apples, there are 2 tens and 3 ones.
More on Place value
Find out more by working through a topic
- count3 of 3
- count1 of 3