CHAPTER 3: ADDING AND SUBTRACTING DECIMALS
Lesson 3: Estimating Decimal Sums and Differences
Goal
Estimate sums and differences with decimals.
Instructions for Use
Blast meteors as you answer addition and subtraction questions. Select the “Intermediate” level. Round the decimals and then estimate the sum or difference.
Use the arrow keys to move your character around the mall. To get the various places in mall, please move your character to the very end of the pathway. At every location you will have to use your adding and subtracting skills to complete several tasks, such as depositing money at the bank, or purchasing toys at the toy store.
