options: Measure lengths indirectly and by iterating length units.

Represent and interpret data.

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

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

Relate addition and subtraction to length.

Geometric measurement: understand concepts of angle and measure angles.

Tell and write time.

Work with time and money.

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

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

Measure and estimate lengths in standard units.

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

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

Convert like measurement units within a given measurement system.

Describe and compare measurable attributes.
problem_activity: Use your ruler to find the area of the rectangle in square inches.
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correct_option_index: 9