2. Rules of the game： Games 1.Throw three die then write 3 numbers.
2.Use three numbers to make 3-digit number .
3.Do not use any number twice.

3. The First Game
In order 2 3 6
236
263
326
362
623
632

4. 3 3 6
336
363
633

5. The Second Game start Throw die Make a 3-digit number the number＜500？
+350
-350
end
yes no

6. start
Throw die 1 4 5
415
541
154
145
451
Make a number:（ ）
514
Make a 3-digit number
145＜500
514＞500
154＜500
The number＜500？
415 ＜500
541＞500
451 ＜500
Judge：
yes no
=164
=504
=495
=191
Calculate：
=765
=801
+350
-350
number
145
154
415
451
514
541
end
end
+350/-350
+350
+350
+350
+350
-350
-350
End
495
504
765
801
164
191

7. Flow Diagram start Throw die Make a 3-digit number yes no +350 -350
end
end

8. 2 5 6
number
256
265
526
562
625
652
-350
+350/-350
+350
+350
-350
-350
-350
end
606
615
176
212
275
302

9. 466+350= 816 511-350= 161 sum difference difference sum end end
number
145
154
415
451
514
541
+350/-350
+350
+350
+350
+350
-350
-350
end
495
504
765
801
164
191
sum
difference
number
256
265
526
562
625
652
+350/-350
+350
+350
-350
-350
-350
-350
end
606
615
176
212
275
302
sum
difference
Biggest number: =
816
Smallest number: =
161

10. The Third Game start Throw dice twice throw die Make a 3-digit number
Multiply them
number＜500？
product≤10？
yes no
＋350
product ×9
-350 +9
×9/+9
end
end
end

12. Create My Flow Diagram
start
start
yes no
yes no
end
end
end
end

13. Flow Diagram Summary: 1、Understanding simple flow Diagram.
2、Can use three numbers make 3-digit numbers in order.
3、Correct calculate 3-digit number addition and subtraction .

15. Flow Diagram start Throw die Make a 3-digit number yes no +350 -350
end
end