Page 22 - NUMINO Challenge_M2
P. 22
Problem solving Key Point
1 The following chart has numbers arranged in The numbers from 1
lines from A to F. Which letter is 41 under? to 10 and 11 to 20
ABCDEF follow the same rule.
2 Numbers are written in the triangle following a The numbers are
written from top to
rule. What is the sum of the numbers that fit in A bottom and left to
right.
and B?
B
A
Rules 19
1 The following chart has numbers arranged in The numbers from 1
lines from A to F. Which letter is 41 under? to 10 and 11 to 20
ABCDEF follow the same rule.
2 Numbers are written in the triangle following a The numbers are
written from top to
rule. What is the sum of the numbers that fit in A bottom and left to
right.
and B?
B
A
Rules 19
