Page 62 - NUMINO Challenge_A2
P. 62
Problem solving Key Points
1 Streetlights need to be built 8 m apart on a road Number of Intervals
that is 80 m long. How many streetlights are (Length of the
needed if the road is 80 m long?
Road) (Length of
Intervals)
8m 8m
80 m
2 A pond has a perimeter of 200 m. Benches are Number of Benches
built 10 m apart around the pond. If 4 people can Number of
sit on each bench, how many people can sit on all
the benches around the pond? Do not think about Intervals
the length of the benches.
59Communication
1 Streetlights need to be built 8 m apart on a road Number of Intervals
that is 80 m long. How many streetlights are (Length of the
needed if the road is 80 m long?
Road) (Length of
Intervals)
8m 8m
80 m
2 A pond has a perimeter of 200 m. Benches are Number of Benches
built 10 m apart around the pond. If 4 people can Number of
sit on each bench, how many people can sit on all
the benches around the pond? Do not think about Intervals
the length of the benches.
59Communication
