Advanced students justify how and when a valid decimal comparison can be made.
Number and Operations-Fractions
Understand decimal notation for fractions, and compare decimal fractions.
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Advanced students use place value understanding to explain how to round decimals to any place.
Advanced students read and write decimal numbers past the thousandths place;
Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000).
Use place value understanding to round decimals to any place.
Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.