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Jul07

Units, Tens, Hundreds

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In today’s post we are going to review Units, Tens, Hundreds, and see some examples of how they are used.

Units

It is the smallest natural number. We are going to represent a Unit with a cube:

cubo

To abbreviate the word Unit, we will write U, for example:

UnitsTens

Let’s look at a larger number of Units:Units

There are a lot of Units, right? Well, imagine how many there would be if we use an even bigger number of them!

Because of this, we use the Tens which groups the Units into groups of 10:

Units

We are going to represent the number 18 using Tens and Units. You should know that we abbreviate Ten with the letter T. As shown:Units

A Ten is a greater value than a Unit. A Ten is composed of 10 Units. Here are other examples:

UnitsHundreds

But the same thing happens when we get to 100. For example, look how the number 101 would be represented with Tens and Units:

Units

Therefore, we use the hundred which equals 10 Tens or, which is the same as 100 Units:

Units

We abbreviate Hundred with the letter H. Here are two examples:

UnitsPositional Value

Now that we are familiar with the Units, Tens, and Hundreds, we are going to look at the positional value of the numbers.

We are going to organize the numbers we have seen in a table, according to these instructions:

  • In the left hand column, we write the complete number.
  • In the three next columns, where it says H, T and U, we have to figure out the number, writing only one digit in each cell, always the last number in the Units.
  • In the last column, we express the number as the sum of its placeholder values.

Units

Did our lesson help you to better understand Units, Tens, and Hundreds?

If you want to continue practicing, we have a lot of these types of exercises on Smartick… And much more! Try it for free.

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13 Comments

  • AnilNov 23 2017, 11:14 AM

    Nice

    Reply
  • Unenge RonaldJul 22 2018, 2:07 AM

    Self explanatory

    Reply
  • GildasJul 27 2018, 12:22 AM

    This is a most useful contribution to the debate

    Reply
  • ASma khanSep 08 2018, 11:21 AM

    It was very useful. Thank you so much. It helped me to teach my students in easily manner.

    Reply
  • dawaOct 23 2018, 3:47 AM

    thanks

    helpful

    Reply
  • Falae OluwasesanNov 12 2018, 6:26 PM

    Thanks so much, it help me to teach my son.

    Reply
  • This is great information to help children understand number values. ThanksNov 18 2018, 2:55 PM

    This is great information to help children understand number values and placement. Thanks!

    Reply
  • Al-amin Rabi’uDec 19 2018, 4:08 PM

    It’s indeed amazing and interesting write up, useful to our younger ones. Cheers

    Reply
  • Nakanji Prisca EbontaJan 07 2019, 4:19 PM

    I love it!! Thanks

    Reply
  • DivineMar 03 2019, 8:04 AM

    It has been very helpful to me in terms of teaching my child.

    Reply
  • madi joJun 24 2019, 10:16 AM

    I love math

    Reply
    • SmartickJun 25 2019, 9:46 AM

      So do we at Smartick!

      Reply