Page 108 - NUMINO Challenge_C2
P. 108
Problem solving Key Points
1 There are five of each type of coin: half-dollars, Think of the cases
dimes, nickels, and pennies. Find the total when two or three
number of different ways to make $1.60 using half-dollars are
the given coins. used.
2 Linda bought erasers, pencils, and notebooks Make $3.30
and paid $3.30 for the items using exact change. regardless of the
If Linda bought a total of nine items, how many number of items
erasers did she buy? bought. Then
change the number
of items bought to
nine items.
Number of 4 3
Notebooks 0
$0.10 $0.40 $0.80 1
Number of 5
Pencils
Number of
Erasers
Total Number
of Items
105Number of Outcomes
1 There are five of each type of coin: half-dollars, Think of the cases
dimes, nickels, and pennies. Find the total when two or three
number of different ways to make $1.60 using half-dollars are
the given coins. used.
2 Linda bought erasers, pencils, and notebooks Make $3.30
and paid $3.30 for the items using exact change. regardless of the
If Linda bought a total of nine items, how many number of items
erasers did she buy? bought. Then
change the number
of items bought to
nine items.
Number of 4 3
Notebooks 0
$0.10 $0.40 $0.80 1
Number of 5
Pencils
Number of
Erasers
Total Number
of Items
105Number of Outcomes
