Page 90 - NUMINO Challenge_L2

Triangular Formation 5+4+1=10
The sum of each line can be made 1
equal.

64

32 5 3+2+5=10
1+6+3=10

EExxpplloorree Use the numbers from 1 to 6 in the triangular formation so that the
sum of each line is 10.

1+3+6=10 11
1+4+5=10
2+3+5=10 55 64

Find different ways 355 325
for adding three
numbers to 10. Place the numbers Place the remaining
that show up twice in numbers (2, 4, 6) so
the number sentences that the sum of each
(1, 3, 5) in the blue line is 10.
circles.

EExxeerrcciissee Fill in the missing numbers so that the sum of each line is 9.
1

64
223

87Operations