5th Grade
Decimal Operations
Investigations Unit 6

Math Expressions: Unit 2 & Unit 5

Common Core Standards Understanding the Place Value System (with Decimals) & Operations with Decimals 
CCSS.MATH.CONTENT.5.NBT.A.1 Recognize that in a multidigit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left. 
CCSS.MATH.CONTENT.5.NBT.A.2 Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use wholenumber exponents to denote powers of 10. 
CCSS.MATH.CONTENT.5.NBT.A.3 Read, write, and compare decimals to thousandths. CCSS.MATH.CONTENT.5.NBT.A.3.A Read and write decimals to thousandths using baseten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000). CCSS.MATH.CONTENT.5.NBT.A.3.B Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. CCSS.MATH.CONTENT.5.NBT.A.4 Use place value understanding to round decimals to any place. 
CCSS.MATH.CONTENT.5.NBT.B.7 Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. 
Investigation 1
Understanding and Comparing Decimals
Week 1:
Day 1: Session 1.1Decimals on Grids
Materials:
*Unit 6 Student Work Book
*Chart "Everyday Uses of Fractions, Decimals, and Percents"
Day 1: Session 1.1Decimals on Grids
Materials:
*Unit 6 Student Work Book
*Chart "Everyday Uses of Fractions, Decimals, and Percents"
Day 2: Session 1.2 Introducing Thousandths
*Prepare a Place Value Chart ahead of this session.
Day 3: Session 1.3Decimals on the Number Line
Blackline Masters:
5th Decimal Grids
5th Decimal Grids Spanish
5th Decimal Cards Set A
5th Decimal Cards Set A Spanish
5th Decimal Cards Set B
5th Decimal Cards Set B Spanish
5th Hundredths Grids
5th Hundredths Grids Spanish
*Prepare a Place Value Chart ahead of this session.
Day 3: Session 1.3Decimals on the Number Line
Blackline Masters:
5th Decimal Grids
5th Decimal Grids Spanish
5th Decimal Cards Set A
5th Decimal Cards Set A Spanish
5th Decimal Cards Set B
5th Decimal Cards Set B Spanish
5th Hundredths Grids
5th Hundredths Grids Spanish
Day 3: Session 1.4 Decimals InBetween
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo B
Hundredths Grid English
Cuadriculas de centecimas
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Grids English
Decimal Grids Spanish
Decimals InBetween English
Decimales en El Medio
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo B
Hundredths Grid English
Cuadriculas de centecimas
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Grids English
Decimal Grids Spanish
Decimals InBetween English
Decimales en El Medio
Day 4: Session 1.5 Assessment: Decimal Problems
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Hundredths Grid English
Cuadriculas de centecimas
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Grids English
Decimal Grids Spanish
Decimals InBetween English
Decimales en El Medio
Smaller to Larger English
De menor a mayor
Thousandths Grids
Cuadriculas de melisimas
Assessment Checklist
Assessment Checklist (Spanish)
Week 2
Day 5: Session 1.6 Ordering Decimals
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimals InBetween English
Decimales en El Medio
Hundredths Grids English
Cuadriculas de centecimas
Thousandths Grids
Cuadriculas de melisimas
Decimal Assessment Checklist, Decimal Problems (English)
Decimal Assessment Checklislt, Decimal Problems (Spanish)
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimals InBetween English
Decimales en El Medio
Hundredths Grids English
Cuadriculas de centecimas
Thousandths Grids
Cuadriculas de melisimas
Decimal Assessment Checklist, Decimal Problems (English)
Decimal Assessment Checklislt, Decimal Problems (Spanish)
Day 6: Session 1.7 Fractions as Division
Blackline Masters
Hundredths Grid English
Cuadriculas de centecimas
Fraction to Decimal Division Table
Tabla de division para convertir de fraccion a decimal
Decimal Grids English
Decimal Grids Spanish
Blackline Masters
Hundredths Grid English
Cuadriculas de centecimas
Fraction to Decimal Division Table
Tabla de division para convertir de fraccion a decimal
Decimal Grids English
Decimal Grids Spanish
Day 7: Session 1.8 Decimal Equivalents
Blackline Masters
Hundredths Grid English
Cuadriculas de centecimas
Fraction to Decimal Division Table
Tabla de division para convertir de fraccion a decimal
Decimal Grids English
Decimal Grids Spanish
Day 8: Session 1.9 FractionDecimal Equivalents
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor
Day 9: Session 1.10 Assessment: Comparing and Ordering Decimals
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor
Blackline Masters
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor
Week 3
Days 10 & 11: Session 1.10 Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor
Assessment: Comparing and Ordering Decimals
Assessment: Comparing and Ordering Decimals (Spanish)
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids English
Cuadriculas de centecimas
Smaller to Larger English
De menor a mayor
Assessment: Comparing and Ordering Decimals
Assessment: Comparing and Ordering Decimals (Spanish)
Investigation 2
Week 4
Day 12: Session 2.1 Fill Two
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Day 13: Session 2.2 The Jeweler's Gold
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Day 14: Session 2.3 Strategies for Adding Decimals
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Thousandths Grids
Thousandths Grids (Spanish)
Decimal Grids
Decimal Grids
Day 15: Session 2.4 Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Decimal Double Compare (English)
Decimal Double Compare (Spanish)
Day 12: Session 2.1 Fill Two
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Day 13: Session 2.2 The Jeweler's Gold
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Day 14: Session 2.3 Strategies for Adding Decimals
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Thousandths Grids
Thousandths Grids (Spanish)
Decimal Grids
Decimal Grids
Day 15: Session 2.4 Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Decimal Double Compare (English)
Decimal Double Compare (Spanish)
Week 5
Day 16: Session 2.5 Decimal Games Part 1 & Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Double Compare (English) and Recording Sheet
Decimal Double Compare (Spanish) and Recording Sheet
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Close to 1 (English) and Recording Sheet
Close to 1 (Spanish) and Recording Sheet
Day 17: Session 2.6 Decimal Games Part 2 & Practicing Place Value
Use materials from session 2.5.
Day 18: Session 2.7 Decimal Games Part 3 & Practicing Place Value
Use materials from session 2.5.
Day 19: Session 2.8 End of Unit Assessment
Hundredths Grids English
Cuadriculas de centecimas
Thousandths Grids
Thousandths Grids (Spanish)
Day 16: Session 2.5 Decimal Games Part 1 & Practicing Place Value
Decimal Cards Set A English
Tarjetas de decimals, grupo A
Decimal Cards Set B English
Tarjetas de decimals, grupo B
Decimal Double Compare (English) and Recording Sheet
Decimal Double Compare (Spanish) and Recording Sheet
Hundredths Grids for Fill Two (English)
Hundredths Grids for Fill Two (Spanish)
Fill Two (English)
Fill Two (Spanish)
Close to 1 (English) and Recording Sheet
Close to 1 (Spanish) and Recording Sheet
Day 17: Session 2.6 Decimal Games Part 2 & Practicing Place Value
Use materials from session 2.5.
Day 18: Session 2.7 Decimal Games Part 3 & Practicing Place Value
Use materials from session 2.5.
Day 19: Session 2.8 End of Unit Assessment
Hundredths Grids English
Cuadriculas de centecimas
Thousandths Grids
Thousandths Grids (Spanish)
Week 6: Supplemental Investigation 3A
Supplemental Lessons, Practice Book Pages, and Black Line Masters (linked to the pdf) Day 20 Session 3A.1 Multiplying Powers of 10 Day 21 Session 3A.3 Multiplying by "Small" Numbers Day 22 Session 3A.4 Multiplying Decimals (continued) Day 23 Session 3A.5 Dividing Powers of 10 Day 24 Session 3A.6 Dividing Decimals Day 25 Session 3A.7 Assessment: Multiplying and Dividing Decimals Day 26 Session 3A.8 Converting Measurements Day 27 Session 3A.9 Converting Measurements 
