Lesson Plan

Read a decimal number to thousandths aloud using correct number names, using "and" to mark the decimal point

Write a decimal number in base-ten numeral form when given its number name or expanded form

Express a decimal number in expanded form by decomposing each digit as a product of the digit and its place value

Translate fluently among the three representations: base-ten numerals, number names, and expanded form

Compare two decimals to thousandths by reasoning about the value of digits place by place from left to right

Record the result of a decimal comparison using the symbols >, =, and <

5.NBT.A.3

5.NBT.A.3: Read, write, and compare decimals to thousandths. a. Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 x 100 + 4 x 10 + 7 x 1 + 3 x (1/10) + 9 x (1/100) + 2 x (1/1000). b. Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.