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In this lesson, we will learn how to estimate the sum of decimal numbers up to hundredth using rounding or benchmarks, and we will demonstrate how this can be used to solve problems in the real world.
Q1:
1 . 3 5 6 5 + 2 . 2 5 2 ≈ to the nearest thousandth.
Q2:
Calculate 8 2 . 0 4 9 + 5 . 3 , rounding your answer to the nearest tenth.
Q3:
Complete 8 2 3 7 1 0 0 0 + 3 8 9 2 0 0 ≈ to the nearest hundredth.
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