Name:____________________________________
Constructing and Deconstructing Equations
Write the algebraic steps to construct the number tricks:
A PERFECT SEVEN
Pick a number between 1 and 25
Add 9 to it
Multiply by 3
Subtract 6
Divide by 3
Subtract your original number
TEST NUMBER
EQUATION
ALL GONE
Pick a number between 1 and 25
Multiply by 9
Subtract 18
Divide by 9
Subtract your original number
Add 2
TEST NUMBER
EQUATION
27—AGAIN!
Pick a number between 1 and 25
Add 7
Divide by 4
Add 5
Multiply by 4
Subtract your original number
TEST NUMBER
EQUATION