Goal:Use graphs,tables, and rules to describe linear
relationships found in number and spatial patterns.
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
and starts on Spend $2.00 a day
Monday Starting on Monday
$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.