1. Review of basic operations and vocabulary
Number Trick
Review of basic operations and vocabulary

2. Number Trick 1 Stage Words # Expression Picture 1 2 3 4 5 6
Think of a number
from 1 to 25. X
Add 9 to it.
x + 9
Multiply the result by 3.
3(x + 9)
Subtract 6 from the
current answer.
3(x + 9) - 6
Divide this answer by 3.
Now subtract your original number.

3. Number Trick 1b Stage Words # Expression Picture 1 2 3 4 5 6
Pick any number X
Subtract 6 from it
x - 6
Multiply the result by 2.
2(x - 6)
Add 8 to the
current answer.
2(x - 6) + 8
Divide this answer by 2.
Now subtract your original number.

4. Number Trick 2 Stage Words # Expression Picture 1 5 3 2 10 6 30 18 436 24 12 8 7
Pick any number X
Double your number 2X
Multiply your answer by 3
3(2X)
Add 6 to your result
3(2X) + 6
Divide your answer by 3
Subtract your current answer by your
original number
Now subtract by your
original number

5. Number Trick 2B Stage Words # Expression Picture 1 4 -2 2 8 3 -5 5 -8
-20 6
-12
-18 7
-16
Pick any number X
Add 4 to your number
X+4
Divide your answer by 2
Take away 6 from your result
Multiply your answer by 4
Subtract your current answer by your
original number
Now subtract by your
original number