Page 163 - NUMINO Challenge_M2
P. 163
Answer
Key
1st : 2 blocks
2nd : 2+2^2=6 blocks
3rd : 2+2^2+2^3=12 blocks
4th : 2+2^2+2^3+2^4=20 blocks
5th : 2+2^2+2^3+2^4+2^5=30 blocks
Challenge Yourself
Each minute, the children on the outer circle move one space to the
right, and the children on the inner circle move one space to the left.
After 3 minutes, each child has moved 3 spaces.
The following shows the position of the children after 3 minutes.
14
2B A E5 5D C B3
CD 3 minutes later EA
34 12
After 4 minutes, each child has moved 4 spaces.
To find the position of the children 4 minutes before, move the children
in the outer circle 4 spaces to the left and the children in the inner circle
4 spaces to the right.
1 2
2B A E5
3A E D1
CD 4 minutes ago BC
34 45
When the music started, 1's partner was D.
26 NUMINO Challenge M2
Key
1st : 2 blocks
2nd : 2+2^2=6 blocks
3rd : 2+2^2+2^3=12 blocks
4th : 2+2^2+2^3+2^4=20 blocks
5th : 2+2^2+2^3+2^4+2^5=30 blocks
Challenge Yourself
Each minute, the children on the outer circle move one space to the
right, and the children on the inner circle move one space to the left.
After 3 minutes, each child has moved 3 spaces.
The following shows the position of the children after 3 minutes.
14
2B A E5 5D C B3
CD 3 minutes later EA
34 12
After 4 minutes, each child has moved 4 spaces.
To find the position of the children 4 minutes before, move the children
in the outer circle 4 spaces to the left and the children in the inner circle
4 spaces to the right.
1 2
2B A E5
3A E D1
CD 4 minutes ago BC
34 45
When the music started, 1's partner was D.
26 NUMINO Challenge M2
