Change Unknown Problem 1 with Child 5
This second grader uses derived facts to solve a problem fluently. Just one example of mental math strategies used by elementary students.
Focus on the Child videos are taken from one-on-one interviews with individual children. The interviews are designed to elicit evidence of children’s mathematical thinking. They are not teaching episodes or formal assessments.
Why is this important?
Double facts are easy for most children to remember. Here, a second grade student uses 8+8 to mentally find a missing addend: 8 + ? = 15. This is a good example of computational fluency.
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The Early Math Collaborative works to improve math instruction for young children in three ways:
- Professional development
- Research
- Dissemination