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Math · Grade 3 Math · Unit 5

Unit 5: Fractions as Numbers

Students develop an understanding of fractions as numbers and of fraction equivalence, by representing fractions on diagrams and number lines, generating equivalent fractions, and comparing fractions.

Worksheets

Every sheet has an answer key. Free to print, no login.

Unit
📝 Worksheet ✅ Answer guide
Concept
📝 Worksheet ✅ Answer key
Practice
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key
Naming Fractions
📝 Worksheet ✅ Answer key
Number Line
📝 Worksheet ✅ Answer key
Equivalent Fractions
📝 Worksheet ✅ Answer key
Comparing
📝 Worksheet ✅ Answer key
Mixed Review
📝 Worksheet ✅ Answer key
Advanced
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key

What this unit covers

A Introduction to Fractions · 4 lessons
Goals
  • Understand that fractions are built from unit fractions, such that a fraction is the quantity formed by parts of a given size.
  • Understand that unit fractions are formed by partitioning shapes into equal parts.
Lessons
  1. Name the Parts
  2. Name Parts as Fractions
  3. Non-unit Fractions
  4. Build Fractions from Unit Fractions
B Fractions on the Number Line · 5 lessons
Goals
  • Understand a fraction as a number, and represent fractions on the number line.
Lessons
  1. To the Number Line
  2. Locate Unit Fractions on the Number Line
  3. Non-unit Fractions on the Number Line
  4. Fractions and Whole Numbers
  5. All Kinds of Numbers on the Number Line
C Equivalent Fractions · 4 lessons
Goals
  • Explain equivalence of fractions in special cases, and express whole numbers as fractions and fractions as whole numbers.
Lessons
  1. Equivalent Fractions
  2. Generate Equivalent Fractions
  3. Equivalent Fractions on a Number Line
  4. Whole Numbers and Fractions
D Fraction Comparisons · 5 lessons
Goals
  • Compare two fractions with the same numerator or denominator, record the results with the symbols >, <, or =, and justify the conclusions.
Lessons
  1. How Do You Compare Fractions?
  2. Compare Fractions with the Same Denominator
  3. Compare Fractions with the Same Numerator
  4. Compare Fractions
  5. Plan a Fun Run (Optional)

Helpful to know first

The curriculum says this unit builds on these.

Grade 2 Math · Unit 3 Measuring Length
Open unit →
Grade 2 Math · Unit 6 Geometry, Time, and Money
Open unit →
← Unit 4 See the whole map Unit 6 →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.