What can you do to equip students with problem solving strategies for elapsed time situations in your classroom? Select all that apply.

A. Stop throughout the day and have students use real time to solve elapsed time problems.

B. Model the use of a predetermined number line to solve elapsed time problems.

C. Have students repeatedly practice a specific procedure to solve a variety of elapsed time problems.

D. Give students opportunities to use open number lines to decide how they will "chunk" time to solve problems.

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