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Watch: Tens and ones

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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.

Image gallerySkip image gallerySlide 1 of 4, 43 has 4 tens and 3 ones., 43 43 has 4 tens and 3 ones.
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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.

Part-whole diagrams of the numbers 27, 43, 61, 89 and 35.

Now let's try some more examples.

Which number has 5 tens and 4 ones?

An illustration of a young girl smiling.

Which number has 3 tens and 8 ones?

An illustration of a young boy thinking.

What number has 7 tens and 0 ones?

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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.

Ten yellow sweets and seven red sweets.

In 23 apples, there are 2 tens and 3 ones.

Two lots of ten apples and three apples.
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More on Place value

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