4.NS.4: The student will use mathematical reasoning and justification to represent, compare, and order decimals through thousandths, with and without models.

The student will use mathematical reasoning and justification to represent, compare, and order decimals through thousandths, with and without models.

4.NS.4.aInvestigate and describe the ten-to-one place value relationship for decimals through thousandths, using concrete models (e.g., place value mats/charts, decimal squares, base 10 blocks).4.NS.4.bRepresent and identify decimals expressed through thousandths, using concrete, pictorial, and numerical representations.4.NS.4.cRead and write decimals expressed through thousandths, using concrete, pictorial, and numerical representations.4.NS.4.dIdentify and communicate, both orally and in written form, the place and value of each digit in a decimal through thousandths (e.g., given 0.385, the 8 is in the hundredths place and has a value of 0.08).4.NS.4.eCompare using symbols (<, >, =) and/or words (greater than, less than, equal to) and order (least to greatest and greatest to least), a set of no more than four decimals expressed through thousandths, using multiple strategies (e.g., benchmarks, place value, number lines). Justify comparisons with a model, orally, and in writing.
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