Place Value - Charts And Partitioning Tool

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Place value – charts and partitioning tool
Overview
This file enables you to explore the process of partitioning numbers into multiples of 1000, 100, 10, 1, 0.1,
0.01 and 0.001 as appropriate. You can start with a number and identify the value of the separate digits or
start with the various multiples arranged in a place value chart that can be combined to generate a number.
You can choose the range of numbers that you would like to focus on with your pupils from a menu page.
Place value charts - How to use
When you click on
The total of the
the white cells they
highlighted cells will
will turn yellow and
automatically be
their contents will
calculated here
be added to the
total
A second click will
Click here to clear the
remove them from
chart and the total to
the total
start again
Click here to reveal
Click here to return to
the total of the
the main menu
highlighted cells
Place value charts - Key questions and prompts

What number will I make if I combine these?

Which cells do I need to highlight if I want to make the number 11.04?

Give me an example of a number that will not have a cell highlighted in the second row.

If I want to change the number to 34.47, what will I need to change?

How can I add 0.1 to this number?

Tell me some numbers that I can create with just two clicks?

What is the highest number that I can make? ... and the lowest?

If I add another row to my chart, below the bottom row, what numbers will it contain?

Highlight 45. What is 45 ÷ 10? What changes do I need to make to the cells to show 4.5? What will
happen if I divide 4.5 by 10? How can I use the chart to find 38.6 ÷ 10?
Microsoft product screen shots reprinted with permission from Microsoft Corporation

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