Unit 6: Connect to Decimal Notation

Lesson 1: Conceptualizing Decimals

NC.4.NF.6

4th Grade Unpacking Document

• I can explain (based on context of money) the relationship between fractions and decimals.

• Video Links:

  • Relate Fractions, Decimals, and Money

• Virtual Manipulatives:

• Math Learning Center Money Pieces

Lesson 2: Connecting Fractions & Decimals to Place Value

NC.4.NF.6

4th Grade Unpacking Document

• I can represent tenths and hundredths using a model and explain the relationship between decimals and fractions.

• Video Links: 

  • Math Antics: Converting Fractions to Decimals

• Virtual Manipulatives:

  • Math Learning Place Fraction Pieces

Lesson 3: Expressing Equivalency with Fractions & Decimals

NC.4.NF.6

4th Grade Unpacking Document

• I can express equivalence between decimals and fractions using models.

• Technology Links:

• Equivalent Fractions & Decimals Match Up

• Virtual Manipulatives:

  • Math Learning Place Fraction Pieces

Lesson 4: Representing Decimals

NC.4.NF.6

4th Grade Unpacking Document

• I can represent tenths and hundredths (fractions and decimals) on a number line.

• Technology Links:

• Virtual Manipulatives:

• Math Learning Place Fraction Pieces

Lesson 5: Building a Number Line

NC.4.NF.6

4th Grade Unpacking Document

• I can reason about the size of decimals using a length model (number line).

• Technology Links:

• Turtle Diary Target the Decimal Number Line Game

• Virtual Manipulatives;

  • Zoomable Number Line

Lesson 6: Representing Equivalent Fractions on a Number Line

NC.4.NF.6

4th Grade Unpacking Document

• I can represent equivalent fractions with denominators of 10 and 100 on a number line.

• Video Links:

  • Study.Com: What are Equivalent Decimals?

• Technology Links:

• Math is Fun Zoomable Number Line

• Virtual Manipulatives:

  • Math Learning Place Fraction Pieces

Lesson 7: Using Equivalent Fractions to Add

NC.4.NF.6

4th Grade Unpacking Document

• I can use equivalent fractions to add two fractions (with denominators of 10 and 100).

• Video Links: 

  • Adding Fractions with Denominators of 10 and 100

• Technology Links:

• Math Games Add Fractions with Denominators of 10 and 100

• IXL Math Interactive: Add Fractions with Denominators of 10 and 100

Lesson 8: Comparing Decimals Using Symbols

NC.4.NF.7

4th Grade Unpacking Document

• I can compare two decimals to hundredths and record the results using symbols >,<,or =.

• Technology Links:

• Decimal Squares

Lesson 9: Comparing Decimals Critiquing Reasoning

NC.4.NF.7

4th Grade Unpacking Document

• I can compare two decimals to hundredths and record the results using symbols >,<, or=.

• Video Links:

  • Khan Academy: Compare Decimals (tenths & hundredths)

• Technology Links:

• Decimal Squares

• Turtle Diary Decimal Detectives Game

Lesson 10: Decimal Comparisons

NC.4.NF.7

4th Grade Unpacking Document

• I can compare decimals using symbols (>,<, =) and use models to justify my solutions.

• Technology Links:

  • Decimal Squares

  • Zoomable Number Line Tool

  • Math Games: Put Decimal Numbers in Order Interactive