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Multiply Rational Numbers

This educational resource explains how to multiply rational numbers using visual models, specifically decimal grids and colored map pencils. The resource details the features of decimals, focusing on their relationship with fractions and powers of ten. It demonstrates the concept by modeling multiplication of decimals, where the area of overlap in the grid illustrates the product. Students will learn to identify decimals, fractions, and the significance of coloring techniques for accurate representation. Perfect for enhancing understanding of decimal operations through interactive learning.

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Multiply Rational Numbers

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  1. Multiply Rational Numbers With models Pick up two different color map pencils

  2. A Decimal is a special part of a whole. A decimal is always divided into powers of 10. Name 1 whole 1 hundredths 1 tenth Decimal 1.0 0.01 0.1 1/100 1/10 1/1 Fraction

  3. 0.7 0.8 0.56 You can use decimal grids to model multiplication of decimals. The area where the shading overlaps shows the product of the two decimals. Color Vertically Color Horizontally Overlap  = 56/100 8/10 7/10

  4. = 0.4 0.2 0.08 2/10 1/5 8/100 2/25 4/10 2/5

  5. 4/5 = X 3/8 12/40 = 3/10

  6. Notes start here

  7. Date __________________ Multiply Rational Numbers With models

  8. A Decimal is a special part of a _____. A decimal is always divided into ______ __ __. Name Decimal Fraction

  9. You can use decimal grids to model multiplication of decimals. The area where the shading overlaps shows the product of the two decimals. Color Vertically Color Horizontally Overlap  =

  10. =

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