• Unit Overview

  • Letter Home
  • Unit Preparation
  • Mathematics in this Unit
  • Assessment in this Unit
  • Key Assessment Opportunities Chart
• Daily Practice and Problems
• Home Practice

• Lesson 1

  • Part 1: Measure with m, dm, cm, and mm
  • Part 2: Measuring with Metersticks, Skinnies, and Bits
  • Summarizing the Lesson
  • Homework and Practice
  • Extensions
  • Answer Keys

• Lesson 2

  • Part 1: Measuring to the Nearest Tenth of a Meter
  • Part 2: A Flat as One Whole
  • Part 3: Tenths and Place Value
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 3

  • Part 1: Show Decimals as Part of a Set
  • Part 2: Use Fraction Circle Pieces to Show and Compare Decimals
  • Part 3: Showing Decimals
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 4

  • Part 1: Exploring Hundredths with Models
  • Part 2: Using a Hundredths Chart
  • Part 3: Hundredths Using Words and Symbols
  • Part 4: Analyze Packs, Flats, Skinnies, and Bits
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 5

  • Before the Lesson
  • Part 1: Identify Variables in the Investigation
  • Part 2: Gather and Organize the Data
  • Part 3: Graph the Data
  • Part 4: Analyze the Results
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 6

  • Before the Lesson
  • Part 1: Playing Decimal Hex
  • Part 2: Decimal Concepts Workshop
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 7

  • Part 1: Introduce Decimal Hoppers
  • Part 2: Start, Hop, Stop!
  • Part 3: Adding and Subtracting with Decimals
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

Lesson 5

Downhill Racer

Est. Class Sessions: 3–4

Daily Practice and Problems

X

Teacher Notes

X

TIMS Bit

1. 0.5 cm
2. 0.9 cm
3. 1.4 cm
4. 8.6 cm
5. 9.1 cm

S. Number Line Decimals

The picture below shows an enlarged piece of a centimeter ruler. For each letter, write the measurement. The first one is an example.

0.5 cm

1. ___________
2. ___________
3. ___________
4. ___________
5. ___________