Estimates the difference of two numbers with three to four digits with reasonable results
LESSON PROPER
ESTIMATING DIFFERENCE.mp4
PRACTICE ACTIVITIES
ACTIVITY 1- November 15 and 16
ACTIVITY 2- November 17 and 18
WRAP UP
To estimate the difference of two numbers with the same number of digits, round off the numbers to their highest place value, then subtract them.
To estimate the difference between two numbers with different number of digits, round them off to the highest place value of the lesser number, then subtract them.