Page 64 - NUMINO Challenge_A2
P. 64
Spread of Water Lilies
There is a pond in the shape of a rectangle. The number of water lilies
that grow and cover the pond increases by a factor of 2 every day. If
one colored space represents one water lily on the first day, color the
spaces to show how the number of water lilies increases each day.
1st Day 2nd Day 3rd Day 4th Day
If the pond is completely covered by water lilies on the 4th day, on
which day did the water lilies cover half of the pond?
In a Nutshell Climbing Up the Wall of the Well
If a snail climbs up the well during the day and slides down at
night, it can only get out of the well in the day.
Spread of Water Lilies
The number of water lilies increases by a factor of 2 every day.
Therefore, if the pond is completely covered by water lilies on a
certain day, the water lilies must have covered half of the pond on
the day before.
Factor Factor
of 2 of 2
Today 1 day ago 2 days ago
61Communication
There is a pond in the shape of a rectangle. The number of water lilies
that grow and cover the pond increases by a factor of 2 every day. If
one colored space represents one water lily on the first day, color the
spaces to show how the number of water lilies increases each day.
1st Day 2nd Day 3rd Day 4th Day
If the pond is completely covered by water lilies on the 4th day, on
which day did the water lilies cover half of the pond?
In a Nutshell Climbing Up the Wall of the Well
If a snail climbs up the well during the day and slides down at
night, it can only get out of the well in the day.
Spread of Water Lilies
The number of water lilies increases by a factor of 2 every day.
Therefore, if the pond is completely covered by water lilies on a
certain day, the water lilies must have covered half of the pond on
the day before.
Factor Factor
of 2 of 2
Today 1 day ago 2 days ago
61Communication
