Page 158 - NUMINO Challenge_C1
P. 158
2 To make the total number of 3
pips on the faces that meet To make the total number of pips on the outside
dice , and the the smallest, the number of pips on the face that
smallest, the number of pips meets on dice and should be 6. On dice
should be each 1 and 2. On die , the number and , from the three faces that meet, the sum
of pips on the faces that meet should be 1. On of the number of pips on two opposite faces is 7
die , the sum of the number of pips on two according to the “Rule of Seven,” and the
opposite faces is seven, and the number of pips number of pips on the top face should be 6
on the other face that meets other faces should each. On dice and , the number of pips on
be 1. So the sum of the number of pips on the the faces that meet is 5 and 6, respectively.
faces that meet is (1 2) 3 (1 7) 1 18. Therefore, the total number of pips on the faces
Therefore, the greatest number of pips on the that meet is 6 6 (7 6) 2 (5 6) 2 60,
outside is 21 5 18 87. and then the total number of pips on the outside
is 21 6 60 66.
Creative Thinking p.82~p.83
1
43 1
4
5 1
5 5 54
2 The number of pips on the back face of die is The four dice are stacked to form the solid figure
above. According to the “Rule of Seven,” the
4 according to the “Rule of Seven,” and the sum number of pips on the face that meets the die on
of the number of pips on the faces that meet is the very right is 3. For the die in the middle of the
five, so the number of pips on the front face of 1st layer, the sum of the number of pips on the
die is 1. According to the “Rule of Seven,” faces that meet is 7. And for the die on the left
the number of pips on the base of die is 2, top, the number of pips on faces that meet is 4.
and the number of pips on the right side is 3. The number of pips on the faces that meet on the
The number of pips on the left, base, and front left down die can be any number besides 2 and 5,
of die is 2, 3, and 1 respectively. so the numbers of pips are 4 and 6 to make the
greatest sum, and 1 and 3 to make the smallest
Back sum. Therefore, the greatest number of pips on
the faces that meet is 3 4 7 4 6 24, and
the smallest number is 3 4 7 1 3 18.
Base Left Base
Answer Key
pips on the faces that meet To make the total number of pips on the outside
dice , and the the smallest, the number of pips on the face that
smallest, the number of pips meets on dice and should be 6. On dice
should be each 1 and 2. On die , the number and , from the three faces that meet, the sum
of pips on the faces that meet should be 1. On of the number of pips on two opposite faces is 7
die , the sum of the number of pips on two according to the “Rule of Seven,” and the
opposite faces is seven, and the number of pips number of pips on the top face should be 6
on the other face that meets other faces should each. On dice and , the number of pips on
be 1. So the sum of the number of pips on the the faces that meet is 5 and 6, respectively.
faces that meet is (1 2) 3 (1 7) 1 18. Therefore, the total number of pips on the faces
Therefore, the greatest number of pips on the that meet is 6 6 (7 6) 2 (5 6) 2 60,
outside is 21 5 18 87. and then the total number of pips on the outside
is 21 6 60 66.
Creative Thinking p.82~p.83
1
43 1
4
5 1
5 5 54
2 The number of pips on the back face of die is The four dice are stacked to form the solid figure
above. According to the “Rule of Seven,” the
4 according to the “Rule of Seven,” and the sum number of pips on the face that meets the die on
of the number of pips on the faces that meet is the very right is 3. For the die in the middle of the
five, so the number of pips on the front face of 1st layer, the sum of the number of pips on the
die is 1. According to the “Rule of Seven,” faces that meet is 7. And for the die on the left
the number of pips on the base of die is 2, top, the number of pips on faces that meet is 4.
and the number of pips on the right side is 3. The number of pips on the faces that meet on the
The number of pips on the left, base, and front left down die can be any number besides 2 and 5,
of die is 2, 3, and 1 respectively. so the numbers of pips are 4 and 6 to make the
greatest sum, and 1 and 3 to make the smallest
Back sum. Therefore, the greatest number of pips on
the faces that meet is 3 4 7 4 6 24, and
the smallest number is 3 4 7 1 3 18.
Base Left Base
Answer Key
