Page 143 - NUMINO Challenge_A2
P. 143
Answer
Key
Problem solving
1 The wolf set the oldest pig brother’s house on fire.
The oldest pig brother didn't build a house with bricks.
The second pig brother did not carry heavy materials, so he used the lightest
materials to build his house.
The second pig brother built his house with straw, so he did not use bricks.
Therefore, the youngest pig brother built his house with bricks.
2 The blue lock cannot be The red lock cannot be The yellow lock cannot
be unlocked by key .
unlocked by Key and unlocked by key .
Key . Therefore, it can
only be opened by Key .
Red Red Red
Lock Lock Lock
Yellow Yellow Yellow
Lock Lock Lock
Blue Blue Blue
Lock Lock Lock
Red Lock-key , Yellow Lock-key , Blue Lock-key
Creative Thinking
1 When there are two white circles that are side by side, the pattern is called Yaya.
: This is not Yaya. : This is not Yaya.
: This is Yaya. : This is Yaya.
: This is not Yaya.
38 NUMINO Challenge A2
Key
Problem solving
1 The wolf set the oldest pig brother’s house on fire.
The oldest pig brother didn't build a house with bricks.
The second pig brother did not carry heavy materials, so he used the lightest
materials to build his house.
The second pig brother built his house with straw, so he did not use bricks.
Therefore, the youngest pig brother built his house with bricks.
2 The blue lock cannot be The red lock cannot be The yellow lock cannot
be unlocked by key .
unlocked by Key and unlocked by key .
Key . Therefore, it can
only be opened by Key .
Red Red Red
Lock Lock Lock
Yellow Yellow Yellow
Lock Lock Lock
Blue Blue Blue
Lock Lock Lock
Red Lock-key , Yellow Lock-key , Blue Lock-key
Creative Thinking
1 When there are two white circles that are side by side, the pattern is called Yaya.
: This is not Yaya. : This is not Yaya.
: This is Yaya. : This is Yaya.
: This is not Yaya.
38 NUMINO Challenge A2
