Page 47 - NUMINO Challenge_C2
P. 47
Type 5-1 Removing Socks of the Same Color
There are two types of socks in a drawer: red and blue. If you want to
be sure to have 2 pairs of matching socks, what is the least number of
socks that you must pick out? (Two socks of the same color is
considered a pair of socks, and the two pairs of socks you pick out
do not have to be the same color.)
1 In the unluckiest case, how many socks must you pick out in order to get a
pair of matching socks? Complete the chart below.
Order 1st 2nd 3rd 4th
Color of Red
Sock
2 One sock is left over when you make a pair of socks with three socks. In
the unluckiest case, how many more socks do you need to pick out in
order to get another pair of matching socks? Complete the chart below.
Order 1st 2nd 3rd 4th 5th 6th
Color of Red
Sock
3 What is the least number of socks that you must pick out in order to get
two pairs of matching socks?
44 NUMINO Challenge C2
There are two types of socks in a drawer: red and blue. If you want to
be sure to have 2 pairs of matching socks, what is the least number of
socks that you must pick out? (Two socks of the same color is
considered a pair of socks, and the two pairs of socks you pick out
do not have to be the same color.)
1 In the unluckiest case, how many socks must you pick out in order to get a
pair of matching socks? Complete the chart below.
Order 1st 2nd 3rd 4th
Color of Red
Sock
2 One sock is left over when you make a pair of socks with three socks. In
the unluckiest case, how many more socks do you need to pick out in
order to get another pair of matching socks? Complete the chart below.
Order 1st 2nd 3rd 4th 5th 6th
Color of Red
Sock
3 What is the least number of socks that you must pick out in order to get
two pairs of matching socks?
44 NUMINO Challenge C2
