Page 69 - NUMINO Challenge_M2
P. 69
The ability to hear is called the sense of hearing. If your hearing is
2 times as good, you can hear something that is 4 times as far,
and if your hearing is 3 times as good, you can hear something
that is 6 times as far.
A dog s hearing is 2 times better than a cat’s, and a cat’s
hearing is 3 times better than a human’s. Show the distance that
a cat and a human can hear in the grid below.
Dog’s Hearing Distance
Key Point
When hearing is times
as good, the distance that
can be heard is ( 2).
66 NUMINO Challenge M2
2 times as good, you can hear something that is 4 times as far,
and if your hearing is 3 times as good, you can hear something
that is 6 times as far.
A dog s hearing is 2 times better than a cat’s, and a cat’s
hearing is 3 times better than a human’s. Show the distance that
a cat and a human can hear in the grid below.
Dog’s Hearing Distance
Key Point
When hearing is times
as good, the distance that
can be heard is ( 2).
66 NUMINO Challenge M2
