Page 101 - NUMINO Challenge_D1

Type 11-2 Increase of Germs

There is a germ 1 mm long inside a bottle. After a day, this germ
grows to 2 mm. After one more day, the 2 mm germ splits into one 1
mm germ and one 2 mm germ. How many germs will there be on
Day 10?

1 mm 2 mm 1 mm
Day 1 Day 2
2 mm
Day 3

1 Draw the number of germs on Day 5 and Day 6.

Day 1 Day 2 Day 3 Day 4 Day 5 Day 6

2 Complete the table.

Days 123456

Number of Germs 1 1 2

3 Find the pattern by which the germs increase. Find the number of germs
on Day 9.

1, 1, 2, 3, , , , ,

4 How many germs will there be on Day 10?

98 NUMINO Challenge D1