Use the keys on this broken calculator to make the totals from 1 to 20.
Try to use just two of the functions + and --.
Record your answers in the table on the right hand side.
To restart the activity just refresh the page.
See the complete list of activities at the bottom of the page.
Showing posts with label problem solving [broken calculator] [1] [5] [add subtract]. Show all posts
Showing posts with label problem solving [broken calculator] [1] [5] [add subtract]. Show all posts
problem solving [broken calculator] [1] [5] [add subtract]
learning can be FUN and EDUCATIONAL :
problem solving [broken calculator] [1] [5] [add subtract]
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