standard_description: 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.
problem_activity: Gino’s rectangular backyard is 80 feet by 65 feet. Denae’s rectangular backyard is 85 feet by 60 feet.
a.   Whose backyard has a greater area? By how much?
b.   Whose backyard has a larger perimeter? By how much?


aligns: yes