Understand the place value system (NBT.1 - NBT.4)
NBT.1 - Recognize that each place value is 10x greater than the place value to the right and 1/10 as large as the place value to the left.
NBT.2 - Explain patterns of zeros in a number, including explaining decimal placement, when multiplying or dividing by a power of 10 & show powers of 10 by using exponents.
NBT.3 - Read, write, and compare decimals to thousandths.
3a - Read and write decimals to thousandths using base-ten numerals, number names, and expanded form [347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000)].
3b. Compare two decimals to thousandths.
NBT.4 - Use place value understanding to round decimals to any place.
Perform operations with multi-digit whole numbers and with decimals to hundredths (NBT.5 - NBT.7)
NBT.5 - Fluently multiply multi-digit whole numbers using the standard algorithm.
NBT.6 - Divide up to four-digit dividends by two-digit divisors, illustrate and explain it by using equations, arrays and models.
NBT.7 - Add, subtract, multiply, and divide decimals to hundredths, and use concrete models, drawings and other strategies to explain method used.
Adding & Subtracting Decimals
Add, Subtract, Multiply & Divide Decimals