Lesson 6

Workshop: Decimal Concepts

Est. Class Sessions: 1
X

Mathematical Standards

4.NF.C
Understand decimal notation for fractions, and compare decimal fractions. (4.NF.C.5, 4.NF.C.6, 4.NF.C.7)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason quantitatively.
MP3.
Construct viable arguments and critique the reasoning of others.
MP6.
Attend to precision.
MP7.
Look for and make sense of structure.

Students play a game that provides practice with comparing decimals. Based on their progress developing decimal concepts, students practice representing, comparing, and ordering decimals.

Content in this Lesson

  • Representing decimals using area models, number lines, and base-ten pieces [E5].
  • Using words and numbers to read and write decimals to hundredths [E6].
  • Comparing and ordering decimals to the hundredths using models [E8].
X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Guide
Student Activity Book

Teacher Resources

 Teacher Guide - digital
  • DPP Item U
    Fact Family Division Quiz: Last Six Facts

Supplies for Student Pairs

clear plastic spinner or pencil and paper clip
four game markers, two of the same color for each student
base-ten pieces (flats, skinnies, and bits)
fraction circle pieces

Materials for the Teacher

Display of the Decimal Hex Game Board (Student Activity Book) Page 435
Display of the Decimal Hex Spinners (Student Activity Book) Page 437
Display of fraction circle pieces
Display of base-ten pieces
clear plastic spinner or pencil and paper clip
Unit 10 Assessment Record
Math Facts Class Record

Assessment in this Lesson

Assessment Expectation Assessed

Moving Ahead with Decimals
Self-Check: Questions 1–2 and 14–15
Student Activity Book
Pages 439 and 448
E5.
Represent decimals using area models, number lines, and base-ten pieces.
E6.
Use words and numbers to read and write decimals to the hundredths.
E8.
Compare and order decimals to the hundredths using models.

DPP Item U
Fact Family Division Quiz: Last Six Facts
Teacher Guide - digital
E11.
Determine the unknown number in a multiplication or division sentence relating three whole numbers for the last six facts.