options: Convert like measurement units within a given measurement system.

Tell and write time.

Measure and estimate lengths in standard units.

Measure lengths indirectly and by iterating length units.

Geometric measurement: understand concepts of angle and measure angles.

Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.

Geometric measurement: understand concepts of volume and relate volume to multiplication and to addition.

Work with time and money.

Relate addition and subtraction to length.

Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.

Classify objects and count the number of objects in each category.

Represent and interpret data.

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

Describe and compare measurable attributes.

Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.
problem_activity: Problem 4
Pre-unit
Find the length of each rectangle.
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correct_option_index: 2