## UNIT 1: LENGTH - CUSTOMARY SYSTEM

Lesson 1.1 - Length

• Length and distance
• The ruler
• Customary length units: inch, foot, yard, mile
• Abbreviations for customary length units

Lesson 1.2 - Perimeter

• Perimeter of straight-sided shapes
• Perimeter of curved shapes

Lesson 1.3 - Length Estimation

• Estimating lengths with fingers, hands, feet, and strides

Lesson 1.4 - Selection of Units

• How to select appropriate customary length units

Lesson 1.5 - Changing Measurement Units

• Comparing lengths with the same units of measurement
• Changing between customary length units
• Conversion factors for customary length units

## UNIT 2: LENGTH - METRIC SYSTEM

Lesson 2.1 - Length

• The meaning of metric prefixes: kilo, centi, milli
• Use of base ten for metric units
• The metric ruler
• Metric length units: kilometer, meter, centimeter, millimeter
• Abbreviations for metric length units

Lesson 2.2 - Perimeter

• Perimeter of straight-sided shapes
• Perimeter of curved shapes

Lesson 2.3 - Length Estimation

• Estimating lengths with fingers, hands, and strides

Lesson 2.4 - Selection of Units

• How to select appropriate metric length units

Lesson 2.5 - Changing Measurement Units

• Comparing lengths with the same units of measurement
• Changing between metric length units
• Multiplying and dividing by base ten to change metric length units

Lesson 2.6 - Converting Between Metric & Customary Systems

• Multiplying by conversion factors to convert customary length units to metric length units
• Multiplying by conversion factors to convert metric length units to customary length units
• Using reciprocals of conversion factors to convert between customary and length measurement units

## UNIT 3: AREA - CUSTOMARY SYSTEM

Lesson 3.1 - Area

• Area concept
• Using grids for area measurement
• Customary area units: square inches, square feet, square yards, square miles
• Abbreviation for customary square units

Lesson 3.2 - Area Calculation

• Calculating area by multiplying length by width

Lesson 3.3 - Area Estimation

• Using grids and map scales to estimate area
• Calculating area with estimated lengths and widths

Lesson 3.4 - Selection of Units

• Selecting appropriate customary area units

## UNIT 4: AREA - METRIC SYSTEM

Lesson 4.1 - Area

• Metric area units: square millimeter, square centimeter, square meter, square kilometer
• Abbreviations for metric square units

Lesson 4.2 - Area Calculation

• Calculating area by multiplying length by width

Lesson 4.3 - Area Estimation

• Using grids and map scales to estimate area
• Calculating area with estimated lengths and widths

Lesson 4.4 - Selection of Units

• Selecting appropriate metric area units

## UNIT 5: VOLUME - CUSTOMARY SYSTEM

Lesson 5.1 - Capacity Units

• Cubic units
• Calculating cubic volume by multiplying length by width by height
• Liquid capacity units
• Dry capacity units
• Customary liquid and dry capacity units: ounce, cup, pint, quart, gallon
• Abbreviations for customary capacity units

Lesson 5.2 - Cubic Units

• Cubic units for fixed shapes
• Customary cubic units: cubic inch, cubic foot, cubic yard, cubic mile
• Abbreviations for customary cubic units

Lesson 5.3 - Volume Estimation

• Estimating the volume of a rectangular prism by estimating the length of width, length and height and multiplying those lengths

Lesson 5.4 - Selection of Units

• Selecting appropriate customary capacity units
• Selecting appropriate customary cubic units

Lesson 5.5 - Changing Measurement Units

• Changing customary capacity units
• Changing customary cubic units
• Multiplying conversion factors to convert large units to small units
• Dividing by conversion factors to change small units to large units

## UNIT 6: VOLUME - METRIC SYSTEM

Lesson 6.1 - Capacity Units

• Metric capacity units: milliliter, liter, kiloliter, centiliter
• Liter size compared cubic metric measurement: 10 cm x 10 cm x 10 cm
• Milliliter size compared to metric cubic measurement: 1 cm x 1 cm x 1 cm
• kilometer size compared to cubic metric measurement: 1 m x 1 m x 1 m
• centiliter size compared to cubic metric measurement: 1 cm x 1 cm x 10 cm
• Abbreviations for metric capacity units

Lesson 6.2 - Cubic Units

• Calculating cubic volume by multiplying length by width by height
• Metric cubic units: cubic millimeters, cubic centimeters, cubic meters, cubic kilometers
• Abbreviations for metric cubic units

Lesson 6.3 - Volume Estimation

• Estimating the volume of a rectangular prism by estimating the length of width, length and height and multiplying those lengths

Lesson 6.4 - Selection of Units

• Selecting appropriate metric capacity units
• Selecting appropriate metric cubic units

Lesson 6.5 - Changing Measurement Units

• Changing metric capacity units
• Changing metric cubic units
• Multiplying conversion factors to convert large units to small units
• Dividing by conversion factors to change small units to large units
• Converting cubic meters to cubic centimeters by multiplying by 1 million
• Converting cubic centimeters to cubic millimeters by multiplying by 1000

Lesson 6.6 - Converting Between Metric & Customary Systems

• Multiplying by conversion factors to convert customary capacity units to metric capacity units
• Multiplying by conversion factors to convert customary cubic units to metric cubic units
• Multiplying by conversion factors to convert metric capacity units to customary capacity units
• Multiplying by conversion factors to convert metric cubic units to customary cubic units
• Using reciprocals of conversion factors to convert between customary and capacity measurement units
• Using reciprocals of conversion factors to convert between customary and capacity measurement units
• Approximate conversions between quarts and liters

## UNIT 7: TIME

Lesson 7.1 - Telling Time

• The analog clock
• AM and PM
• Time measurement units: second, minute, hour, day, month, year
• Abbreviations for time measurement units

Lesson 7.2 - Calculating Time

• Calculating difference or change in hours and minutes

Lesson 7.3 - The 24-Hour Clock

• 24-hour time or military time
• Comparing 24-hour time to regular time

Lesson 7.4 - Standard Date

• Using numbers and slashes to express dates
• Standard dates using month/day/year or day/month/year

## UNIT 8: TEMPERATURE

Lesson 8.1 - Fahrenheit Scale

• Measuring temperature by degrees
• Fahrenheit temperature scale
• Negative temperatures
• Conditions at different Fahrenheit temperatures
• The thermometer and how it measures temperature
• The meaning of freezing point
• The meaning of boiling point
• Recording Fahrenheit temperatures with degree symbol and abbreviation for Fahrenheit

Lesson 8.2 - Celsius Scale

• Celsius temperature scale
• Conditions at different Celsius temperatures
• Freezing point and boiling point on the Celsius scale
• Recording Celsius temperatures with degree symbol and abbreviation for Celsius

Lesson 8.3 - Fahrenheit to Celsius Conversion

• Formula for changing Fahrenheit degrees to Celsius degrees
• Short cut approximate conversion from Fahrenheit degrees to Celsius degrees
• Conversions with negative temperatures

Lesson 8.4 - Celsius to Fahrenheit Conversion

• Formula for changing Celsius degrees to Fahrenheit degrees
• Short cut approximate conversion from Celsius degrees to Fahrenheit degrees
• Conversion with negative temperatures

## APPENDICIES

• Appendix A - Glossary
• Appendix B - Customary System Units
• Appendix C - Metric Prefixes and Units
• Appendix D - Conversion Factors
• Appendix E - Decimal Arithmetic