3. 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.
– Pick a Path – Students use their knowledge of the four operations to create the largest, smallest, or target number. (iOS – free – iPhone/iPad)