# Module 8 - Math 4B - Course Guide

## Module Overview:

In this module, students will learn about comparing decimals using area models, decimal circles, and number lines. They will learn about comparing decimals and deciding if a comparison is reasonable. Students will learn about equivalent measurements of length and measuring with customary units of length. Students will measure with inches, feet and yards and learn how to convert between the different types of measurements. Students will estimate length measurements. Students will learn about measuring weight and mass. They will learn about using tables to represent equivalent measurements of weight. Students will learn about converting units of weight. They will learn about problem solving and estimating weight.

## Module Materials:

Lesson # Lesson Title Material(s)
1 Compare Decimals Using Area Models pen or pencil
crayons or colored pencils
2 Compare Decimals Using Decimal Circles pen or pencil
crayons or colored pencils
3 Compare Decimals Using Number Lines pen or pencil;
4 Explaining Decimal Comparisons pen or pencil;
5 Represent Equivalent Measures of Customary Units of Length pen or pencil;
6 Measuring With Inches pen or pencil;
7 Measuring and Converting Length Measurements pen or pencil
ruler
8 Estimating Measurements of Length pen or pencil
ruler
9 Measuring Weight and Mass pen or pencil
scale (optional)
10 Equivalent Measurements of Weight pen or pencil;
11 Weight Conversions pen or pencil;
12 Problem Solving and Estimating Weight pen or pencil;

Module Objectives:

Lesson # Lesson Title Objective(s)
1 Compare Decimals Using Area Models
1. Compare decimals using area models.
2 Compare Decimals Using Decimal Circles
1. Compare decimals using decimal circles.
3 Compare Decimals Using Number Lines
1. Compare decimals using number lines and meter sticks.
4 Explaining Decimal Comparisons
1. Demonstrate and explain the reasonableness of comparisons.
5 Represent Equivalent Measures of Customary Units of Length
1. Use tables to represent equivalent measurements.
6 Measuring With Inches
1. Measure, compare, and estimate length in inches.
7 Measuring and Converting Length Measurements
1. Measure, compare, and estimate length in feet and yards.
2. Compare lengths by converting measurements from smaller to larger units and from larger units to smaller units.
8 Estimating Measurements of Length
1. Estimate and measure length in centimeters, decimeters, or meters.
9 Measuring Weight and Mass
1. Measure, compare, and estimate weight and mass in pounds, ounces, tons, kilograms, or grams.
2. Select and use appropriate tools to measure temperature.
10 Equivalent Measurements of Weight
1. Use tables to convert between equivalent measurements.
11 Weight Conversions
1. Compare weights and masses by converting measurements from smaller to larger units and from larger units to smaller units.
12 Problem Solving and Estimating Weight
1. Solve word problems involving the mass of objects.
2. Use diagrams to represent measurement quantities with a scale.

Module Key Words:

Key Words
fraction
decimal
compare
area model
circle graphs
decimal circle
number line
meter stick
place value
reasonableness
system of measurement
customary measurement
length
conversion
measure
inch
ruler
feet
yards
measuring
estimate
mass
weight
scale
customary unit
metric unit
temperature
degrees
thermometer
conversion table
ounce
pound

Module Assignments:

Lesson # Lesson Title Page # Assignment Title
1 Compare Decimals Using Area Models 6 Using Area Models Assignment
2 Compare Decimals Using Decimal Circles 7 Comparing With Decimal Circles Assignment
3 Compare Decimals Using Number Lines 7 Using Number Lines to Compare Decimals Assignment
4 Explaining Decimal Comparisons 6 Explaining Reasonable Comparisons Assignment
5 Represent Equivalent Measures of Customary Units of Length 5 Using Conversion Tables Assignment
6 Measuring With Inches 6 Measuring In Inches Assignment
7 Measuring and Converting Length Measurements 7 Converting and Comparing Assignment
8 Estimating Measurements of Length 3 Estimating Around the House Assignment
9 Measuring Weight and Mass 8 Reading a Scale Assignment
10 Equivalent Measurements of Weight 4 Creating Conversion Charts Assignment
11 Weight Conversions 5 Conversion Assignment
12 Problem Solving and Estimating Weight 6 Problem Solving and Estimating Assignment

None

## Module Guiding Questions:

When a student starts a lesson ask them questions to check for prior knowledge and understanding and to review concepts being taught. At the end of the lesson ask the questions again to see if their answer changes.

Lesson Title Question
Compare Decimals Using Area Models
1. What is an area model?
Compare Decimals Using Decimal Circles
1. What is a decimal circle?
Compare Decimals Using Number Lines
1. How can you compare decimals using a number line?
Explaining Decimal Comparisons
1. How can you use place value to compare decimals?
Represent Equivalent Measures of Customary Units of Length
1. What units of measurement are in the customary system of measurement?
Measuring With Inches
1. Is an inch a customary unit of measurement or metric unit of measurement?
Measuring and Converting Length Measurements
1. What customary units of measurements do you use to measure the length of larger items?
Estimating Measurements of Length
1. What are some strategies you can use to estimate length?
Measuring Weight and Mass
1. What is the difference between weight and mass?
Equivalent Measurements of Weight
1. What are some units of measurements for weight?
Weight Conversions
1. How many pounds are in a ton?
Problem Solving and Estimating Weight
1. How can you use a number line to help you solve problems related to weight?

## Module Video Questions:

When a student watches a video take time to ask them questions about what they watched. Suggested questions for the videos in this module are listed here. Suggestion: Have the student watch the entire video first all the way through. Then have them watch the video a second time, as they watch it pause the video and ask the questions.

Lesson Title Video Question
Compare Decimals Using Area Models Fractions and Decimals: Uses and Comparisons
1. How did the students in the video use area models to show fractions and decimals?
Compare Decimals Using Decimal Circles Make Circle Graphs
1. What do circle graphs show?
2. How do you make circle graphs?
Compare Decimals Using Decimal Circles Ordering Decimals from Greatest to the Least
1. What are some tips to remember when ordering decimals?
Compare Decimals Using Number Lines Using a Number Line to Compare Decimals
1. How can you use a number line to compare decimals?
Explaining Decimal Comparisons Compare Decimals
1. What steps do you follow when comparing decimals?
Represent Equivalent Measures of Customary Units of Length Measuring Length
1. What number should your ruler line up with at the beginning of your measurement?
2. What system of measurement do we use in the United States?
3. What system of measurement is used in the rest of the world?
4. What are the units of measurement in the metric system?
5. What are the units of measurement in the customary system?
Measuring With Inches Measuring Length
1. What number should your ruler line up with at the beginning of your measurement?
2. What system of measurement do we use in the United States?
3. What system of measurement is used in the rest of the world?
4. What are the units of measurement in the metric system?
5. What are the units of measurement in the customary system?
Measuring and Converting Length Measurements Converting Units-Colosseum
1. How many feet are in 1 yard?
Estimating Measurements of Length Estimating Height of a Totem Pole
1. What steps did they use in the video to estimate the height of the totem pole?
Measuring Weight and Mass Mass
1. What is mass?
2. What is the relationship between mass and force?
3. What is weight?
Measuring Weight and Mass Weight
1. What is weight?
2. What types of scales can you use to measure weight?
Equivalent Measurements of Weight Weight: Pounds and Ounces
1. How many ounces are in a pound?
Weight Conversions Changing Units of Weight to Pounds
1. What are the rules for changing units of weight?
Problem Solving and Estimating Weight Estimating Weight
1. What are some strategies you can use to estimate the weight of an object?

## Module Suggested Read Aloud Books:

Take time to read to your student or have them read aloud to you. Read a different book each day. While reading the book point out concepts being taught. You may purchase these books or find them at your local library. Suggested things to discuss while reading the book:

• What is the main idea?
• What are three things new you learned?
• How does this book relate to what you are learning about?

# Book Author Lexile Level

## Module Outing:

Take some time to apply what your student is learning to the real world. Suggested outings are below.

# Outing