In this lesson, we will learn how to estimate the sum or difference between integers up to four digits using compatible numbers.
Q1:
Choose the number that is closest to 8 4 + 8 2 .
Q2:
Choose the number that is closest to 5 3 + 8 3 .
Q3:
Choose the number that is closest to 1 1 0 + 3 6 8 .
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