Welcome to 2009Summer Math Camp

Day 2Tuesday, July 14

Let’s Count in Japanese

1 ichi 6 roku

2 ni 7 nana

3 san 8 hachi

4 yon 9 kyu

5 go 10 juh

Let’s Count in Japanese

1 6 roku

2 ni 7 nana

3 san 8

4 9 kyu

5 10

What comes after 10?

1 ichi 6 roku

2 ni 7 nana

3 san 8 hachi

4 yon 9 kyu

5 go 10 juh

Let’s Count in Japanese

11 juh ichi 16 juh roku

12 juh ni 17 juh nana

13 juh san 18 juh hachi

14 juh yon 19 juh kyu

15 juh go 20 ni juh

Let’s count to 30!

1 ichi 6 roku

2 ni 7 nana

3 san 8 hachi

4 yon 9 kyu

5 go 10 juh

10, 20, 30, 40, …

1 ichi 6 roku

2 ni 7 nana

3 san 8 hachi

4 yon 9 kyu

5 go 10 juh

100: hyaku

101, 102, 103, …

101 hyaku ichi 106 hyaku roku

102 hyaku ni 107 hyaku nana

103 hyaku san 108 hyaku hachi

104 hyaku yon 109 hyaku kyu

105 hyaku go 110 hyaku juh

110, 120, 130, 140, …

1 ichi 6 roku

2 ni 7 nana

3 san 8 hachi

4 yon 9 kyu

5 go

100: hyaku

100, 200, 300, 400, …

1 ichi 6 roku

2 ni 7 nana

3 san 8 hachi

4 yon 9 kyu

5 go

100: hyaku

Let’s Play NIMNumber of Players: two

Materials: simple four-operation calculator

Procedure:

Clear the calculator so that 0 is showing.

Each player takes turns pressing [+] 1,2,or 3 [=].

The objective of the game is to be the person who makes the sum of 21