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Problem Strings for Fluency and Beyond›B55 — Connecting Multiplication to Division using the Ratio Table

B55 — Connecting Multiplication to Division using the Ratio Table

Problem Strings for Fluency and Beyond · Connecting Multiplication to Division using the Ratio Table

Teacher notes

This string is like B52. Display Appendix E on p. 165.

See B52 — Connecting Multiplication to Division using the Ratio Table for the full "Behind the Numbers" explanation — this string uses the same crafting logic.

The string
  • 10 x 2
  • 20 ÷ 2
  • 12 x 2
  • 6 ÷ 2
  • 10 ÷ 2
  • 40 ÷ 2
  • 30 ÷ 2
Related appendix

Appendix E – Ratio Table for String B55

A ratio table headed "Number of People" and "Number of Eyes" with rows 1/2, 10/20, 12/blank, and blank rows below for students to fill in.
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