Resources for Educators

Ace Explorer

Grade 2 Lesson Plans Lesson Plan

Ace Explorer: Reading for Sequence, Relevance, and Problem Solving

Grade range: 2-8, with text complexity adjusted by grade

Subjects: Reading comprehension, writing, problem solving, science/engineering enrichment

Time: Three to five 30-60 minute sessions

Lesson Purpose

The original lesson used a space-mission game to make students locate relevant information, reread text, take notes, and arrange clues in logical sequence.

Learning Objectives

  • Locate information relevant to a specific problem.
  • Ignore details that do not help answer the question.
  • Record notes in an organized form.
  • Sequence events or instructions logically.
  • Reread when information is unclear or a solution does not work.
  • Explain why one piece of information belongs before or after another.

Materials

  • Short mystery, science, or space-mission passages prepared by the teacher.
  • Clue cards or printed information cards.
  • Notebook or digital notes.
  • Optional space maps, diagrams, or simple engineering materials.

Session 1 - Find the Relevant Information

Present a short space-mission scenario with more information than students need. Model how to identify the question first, then highlight only the facts that help answer it. Students sort information into needed, interesting but unnecessary, and not enough information.

Session 2 - Sequence the Mission

Teams receive six to ten mission cards describing events or decisions. Students arrange them in logical order and record the reason for each major step. Randomly ask individual students to defend one sequence decision.

Session 3 - Reread and Revise

Give students a mission in which their first solution contains a deliberate problem. Students reread the source, identify the overlooked clue, and revise their sequence. Emphasize that rereading is a normal part of solving a difficult reading problem, not a sign of failure.

Session 4 - Write an Original Mission

Students create a short space or exploration scenario containing a goal, relevant clues, at least one distracting detail, and a sequence of actions. Partners solve the mission and explain which clues mattered.

Optional Engineering Extension

Teams design a model or diagram for a fictional Mars research station. Require them to prioritize supplies and justify each choice. Keep the task grounded in the stated scenario; students should distinguish creative design from claims about what a real Mars mission currently requires.

Assessment

  • Students correctly identify relevant details.
  • Students place events or instructions in a defensible sequence.
  • Students explain one decision using information from the passage.
  • Students revise a solution after locating overlooked information.

Differentiation

Use shorter passages, numbered clues, graphic organizers, read-aloud support, and sentence starters for students who need them. For English learners, preteach key words such as sequence, relevant, evidence, mission, and priority. Advanced students can write multi-step missions with competing clues and explain why some information is less useful than other information.

Teacher Note

The original source contains DOS-era installation requirements and instructions for the commercial "Ace Explorer" program. Those technical directions are intentionally omitted. The lesson can now be taught with printed materials, a document, presentation software, or a current classroom application without changing the underlying reading objectives.