3.3
Exploring Ratios with Three Terms
YOU WILL NEED
•
Fraction Strips Tower,
Use ratios to solve problems involving three values.
base ten blocks,
counters, or play money
•
chart paper
EXPLORE
the Math
•
coloured markers
Allison, Nikita, and Misa pool their
money to buy one lottery ticket.
The three-term ratio 6 : 3 :1
three-term ratio
describes their shares
a ratio that compares
of the ticket.
three quantities; e.g.,
the ratio 2 : 3 : 5
(or, 2 to 3 to 5)
describes the ratio of
red to blue to yellow
squares.
Brian, Preston, and Aaron also buy
a ticket. The ratio 6 : 2.50 :1.50
describes their shares
of the ticket.
If either ticket wins one of the prizes, how
much should each person get?
119
Ratios and Rates
NEL