Tens and tenths


Set the constant on your calculator to multiply by 10.

On simple calculators this is usually done by pressing these buttons:

buttons to press


[If this does not work on your calculator you will need to read the instructions and find out how to set constants.]

Choose a whole number less than 10 and put it in your calculator.

Write it down.

Now press = and write down the number you get.

Now press = 5 more times and writing down the numbers each time.

Compare your numbers. What do you notice?

Try with 2 different numbers.



Set the constant on your calculator to divide by 10.

This is usually done by pressing these buttons:

buttons to press


Choose a whole number of thousands greater than 1000 and put it in your calculator.

Write it down.

Now press = and write down the number you get.

Now press = 5 more times and writing down the numbers each time.

Compare your numbers. What do you notice?

Try with 2 different numbers.



Repeat the second activity, this time setting the constant to multiply by 0·1

buttons to press


What do you notice now?




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