# 5.6 Más operaciones con decimales y fracciones

## Unit Goals

• Students solve multi-step problems involving measurement conversions, line plots, and fraction operations, including addition and subtraction of fractions with unlike denominators. They also explain patterns when multiplying and dividing by powers of 10 and interpret multiplication as scaling by comparing products with factors.

### Section A Goals

• Explain patterns when multiplying and dividing by powers of 10.
• Solve multi-step problems involving measurement conversions.

### Section B Goals

• Add and subtract fractions with unlike denominators.
• Create line plots to display fractional measurement data, and use the information to solve problems.
• Solve problems involving addition and subtraction of fractions.

### Section C Goals

• Interpret multiplication as scaling (resizing).
• Make generalizations about multiplying a whole number by a fraction greater than, less than and equal to 1.

### Glossary Entries

• área

• cubo unitario
Un cubo con lados que tienen 1 unidad de largo. Se usa para medir volumen.

• potencia de 10
El resultado de multiplicar 10 por sí mismo un cierto número de veces.

• prisma rectangular
Una figura sólida que tiene seis caras y todas son rectángulos.