4.PAFR.1: Use multiple representations to reason and solve problems involving operational properties of whole numbers and decimals.

Use multiple representations to reason and solve problems involving operational properties of whole numbers and decimals.

4.PAFR.1.1Use a strategy to accurately compute sums and differences of whole numbers up to 100,000 and justify the sum or difference.4.PAFR.1.2Compute the product of a one-digit whole number times a multiple of 10 (from 10 to 90) and 100 (from 100 to 900) based on place value and properties of operations.4.PAFR.1.3Decompose numbers by the value of each digit to multiply whole numbers up to four digits by a one-digit number and two 2-digit whole numbers.4.PAFR.1.4Use a strategy to divide up to a four-digit dividend by a one-digit divisor, with and without remainders. Justify the calculation.

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