3 Oa 8 Word Problems. Solve two-step word problems using the four operations. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Represent these problems using equations with a letter standing for the unknown quantity. Represent these problems using equations with a letter standing for the unknown quantity. Represent these problems using equations with a letter standing for the unknown quantity.
Represent these problems using equations with a letter standing for the unknown quantity.
Represent these problems using equations with a letter standing for the unknown quantity.
Represent these problems using equations with a letter standing for the unknown quantity. 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.