8.MATH.1.C

Select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems.

Grade 8 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012

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Vocabulary
toolsreal objectsmanipulativespaper and penciltechnologytechniquesmental mathestimationnumber senseproblems
Skills
  • select (tools appropriate for solving problems) #dok2
  • select (techniques appropriate for solving problems) #dok2
  • use (real objects, manipulatives, paper and pencil, technology) #dok1
  • use (mental math, estimation, and number sense techniques) #dok1
  • solve (mathematical problems using selected tools and techniques) #dok2
Learning Targets
  • I can use real objects, manipulatives, paper and pencil, and technology to solve problems. #dok1
  • I can use mental math, estimation, and number sense techniques when solving problems. #dok1
  • I can select appropriate tools for different types of mathematical problems. #dok2
  • I can select appropriate techniques such as mental math or estimation to efficiently solve problems. #dok2
  • I can solve problems using the most effective mathematical tools and techniques. #dok2
Big Ideas
  • Choosing appropriate tools and techniques can make problem-solving more effective and efficient.
  • There are multiple tools and techniques available to solve mathematical problems, and selecting the right one depends on the context and nature of the problem.
Essential Questions
  • How do you decide which mathematical tool or technique is best for a given problem?
  • What are the strengths and limitations of different mathematical tools and techniques such as manipulatives, technology, or mental math?
  • When might it be better to use estimation instead of exact calculations?
  • How does selecting the right tool or technique impact your success in solving problems?
  • Can you solve the same problem using different tools? How might the solutions or processes differ?