4.3 Unit Overview

Extend understanding of addition, subtraction, and multiplication to include fractions and mixed numbers.

By Amplify Classroom

Grades: 4th Grade

Subject: Math

Learning goals: Unit at a Glance Sub-Unit 1: Addition and Subtraction of Fractions (Lessons 1–7) • Represent and solve problems that involve the addition and subtraction of fractions and mixed numbers. • Use various strategies to add and subtract fractions and mixed numbers with like denominators. Sub-Unit 2: Multiplication With Fractions (Lessons 8–12) • Recognize that `n\times\frac{a}{b}=\frac{\left(n\times a\right)}{b}`. • Represent and explain that a fraction `\frac{a}{b}` is a multiple of `\frac{1}{b}`, namely `a\times\frac{1}{b}`. • Represent and solve problems involving multiplication of a fraction by a whole number. Sub-Unit 3: Working With Tenths, Hundredths, and Line Plots (Lessons 13–16) • Reason about equivalence to add tenths and hundredths. • Create and analyze line plots that display measurement data in halves, fourths, and eighths.