Page 57 - NUMINO Challenge_D1
P. 57
Type 6-2 Using the Balance the Least Number of Times
Out of these 12 gold coins, the one fake coin weighs the least. The
fee for using the balance is $1.00 per weigh. What is the least amount
of money you need in order to find the fake coin?
123456
7 8 9 10 11 12
1 The 12 gold coins are divided into three groups of four coins each. The
table below shows the process of finding the fake coin. Fill in the blanks
and complete the table.
1st Time 2nd Time 3rd Time Fake Coin
2 What is the least amount of money you need in order to find the fake
coin?
54 NUMINO Challenge D1
Out of these 12 gold coins, the one fake coin weighs the least. The
fee for using the balance is $1.00 per weigh. What is the least amount
of money you need in order to find the fake coin?
123456
7 8 9 10 11 12
1 The 12 gold coins are divided into three groups of four coins each. The
table below shows the process of finding the fake coin. Fill in the blanks
and complete the table.
1st Time 2nd Time 3rd Time Fake Coin
2 What is the least amount of money you need in order to find the fake
coin?
54 NUMINO Challenge D1
