Make your own free website on Tripod.com
SUBTRACTION WORKSHEET


Demonstrate how to solve the following addition problems using models.

 1.     3 - 4                         2.     2 - 6


 3.    -3 - (-4)                    4.     -2 - (-6)


 5.     3 - (-4)                     6.     -3 - 4


 Rule?



_____________________________________________________________

Solve the following addition problems by applying the above rule:


 1.     -18.6 - 25.3                    2.     14.4 - 19.7


 3.     -25.7 - (-18.3)               4.     28.2 - (-17.5)


 5.     |-16 - 12|                    6.     |43.7 -  (-45.2)|


 Thought question:   Will |a - b| always be equal to |b - a| ?