Page 63 - NUMINO Challenge_A2
P. 63
Investigate 10. Solving by Drawing
A Snail that Fell into a Well
A snail fell into a well that is 10 m deep. The snail climbs 4 m up the
well during the day, but slides 3 m down when it sleeps at night. Show
the daily movement of the snail by drawing dots and lines on the graph
below.
Height (m)
10
5
1
0 1 2 3 4 5 6 7 Day
Do you think the following statements are correct? If not, explain why.
The snail climbs 4 m up the well during the day and slides 3 m down at night.
Therefore, the snail climbs 1 m up the well in a day.
As the well is 10 m deep, it will take the snail 10 days to reach the top of the well.
60 NUMINO Challenge A2
A Snail that Fell into a Well
A snail fell into a well that is 10 m deep. The snail climbs 4 m up the
well during the day, but slides 3 m down when it sleeps at night. Show
the daily movement of the snail by drawing dots and lines on the graph
below.
Height (m)
10
5
1
0 1 2 3 4 5 6 7 Day
Do you think the following statements are correct? If not, explain why.
The snail climbs 4 m up the well during the day and slides 3 m down at night.
Therefore, the snail climbs 1 m up the well in a day.
As the well is 10 m deep, it will take the snail 10 days to reach the top of the well.
60 NUMINO Challenge A2
