options: Geometric measurement: understand concepts of angle and measure angles.

Measure and estimate lengths in standard units.

Describe and compare measurable attributes.

Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.

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

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

Convert like measurement units within a given measurement system.

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

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

Represent and interpret data.

Relate addition and subtraction to length.

Measure lengths indirectly and by iterating length units.

Tell and write time.

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

Work with time and money.
problem_activity: Problem 4
Pre-unit
Find the length of each rectangle.
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correct_option_index: 1