Use graphs,tables, and rules to describe linear relationships found in number and spatial patterns.

Goal:Use graphs,tables, and rules to describe linear
 relationships found in number and spatial patterns.

Task:
Tina and Tom were twins. Tina saves and Tom spends. Tom found  a $20 note on Sunday evening and spent $2 a day starting on Monday. Coincidentally, Tina started work that Monday and gets $2.50 a day. How long would it be before Tina has more money than Tom?

Tina saves                   Tom spends
 earns $2.50 a        Finds a $20 note
 day 
and starts on         Spend $2.00 a day
Monday                      Starting on Monday




Tina       Tom
$2.50       $18                         Monday
 $5.00      $16                        Tuesday
 $7.50      $14                       Wednesday
 $10.00    $12                        Thursday
$ 12.50    $10                          Friday

It takes 5 days for Tina to get more.