Introducing Place Value Page 3

Follow-up activity

Have the learners work in pairs with a calculator.

One of the pair keys a three-digit number into the

calculator and asks the other to read it.

The first learner then asks the second learner to

change a digit to another specified digit.

For example: A learner keys in 469 and says, “Read

the number to me”.

Then that same learner says, “Change the 4 into a

3”. (It is necessary to subtract 100 on the calculator

to change the 4 into a 3.)

And then they say, “Change the 6 to 7”.

(It is necessary to add 10 on the calculator to

change the 6 into a 7.)

Note: If the learners are operating above step 3 on

the Place Value progression, they could work with

larger numbers, for example, 25,482.

Tertiary Education Commission Teaching Adults to Make Sense of Number to Solve Problems: Using the Learning Progressions

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