Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Operations and Algebraic Thinking
Represent and solve problems involving multiplication and division.
Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Operations and Algebraic Thinking
Represent and solve problems involving multiplication and division.
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Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Interpret a multiplication equation as a comparison (e.g., interpret 35 = 5 × 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5). Represent verbal statements of multiplicative comparisons as multiplication equations.
Use the four operations with whole numbers to solve problems.
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns. Write an equation to express the total as a sum of equal addends.
Determine whether a group of objects (up to 20) has an odd or even number of members (e.g., by pairing objects or counting them by 2s). Write an equation to express an even number (up to 20) as a sum of two equal addends.
Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
Determine the unknown whole number in a multiplication (up to and including 10 × 10) or division (limit dividends through 50 and limit divisors and quotients through 10) equation relating three whole numbers.
Determine the unknown whole number in a multiplication or division equation relating three whole numbers.