Curriculum Library

Grade 5 Unit 1: Understanding Decimals

Key Concept: Decimals use place value to represent fractions.

Unit Launcher    
View The Olympics and BMX Cycling: Discussion Guide and KWL Chart

Lesson Sequences

5.1-1-1 Connecting Decimals to Base 10 Fractions   |
View Lesson Opener Talk-About (10 min)
View Guided Lesson Understand the relationship between decimals and fractions. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
5.1-1-2 Writing Decimals to Represent Fractions  |
View Lesson Opener Think-Pair-Share (10 min)
View Guided Lesson Represent fractions with decimal models and decimal names. (12-18 min)
View Lesson Closer Explain and Solve (5 min)
5.1-1-3 Comparing Decimals  |
View Lesson Opener Walk-About (10 min)
View Guided Lesson Compare representations of fourths and eighths using hundredths and thousandths. (12-18 min)
View Lesson Closer Apply Your Knowledge  (5 min)
Real World Investigation Part 1    
View The Olympics and BMX Cycling: The Olympic's Data
Key Concept: Decimals can be written in standard and expanded form, and they can be rounded.

Lesson Sequences

5.1-2-1 Standard and Expanded Form to Hundredths  |
Lesson Plan
View Lesson Opener Talk-About (10 min)
View Guided Lesson Model decimals to the hundredths place, writing in standard and expanded form. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
5.1-2-2 Standard and Expanded Form to Thousandths  |
Lesson Plan
View Lesson Opener Think, Pair, Share (10 min)
View Guided Lesson Model decimals to the thousandths place, writing in standard and expanded form. (12-18 min)
View Lesson Closer Explain and Solve (5 min)
5.1-2-3 Rounding Decimals to Benchmark Numbers: Tenths  |
Lesson Plan
View Lesson Opener Think, Pair, Share (10 min)
View Guided Lesson Round tenths to the nearest whole number. (12-18 min)
View Lesson Closer Explain and Solve (5 min)
5.1-2-4 Rounding Decimals to Benchmark Numbers: Hundredths and Thousandths  |
Lesson Plan
View Lesson Opener Hands-On (5-10 min)
View Guided Lesson Round hundredths to the nearest tenth and thousandths to the nearest hundredth. (12-20 min)
View Lesson Closer Agree/Disagree (5-8 min)
Real World Investigation Part 2    
View The Olympics and BMX Cycling: Create Some Data
Key Concept: Digits of the same place value can be added or subtracted.

Lesson Sequences

5.1-3-1 Adding Decimals to the Tenths Place  |
Lesson Plan
View Lesson Opener Hands On (5-10 min)
View Guided Lesson Students will add tenths to tenths using models. (12-20 min)
View Lesson Closer Agree or Disagree (5-8 min)
5.1-3-2 Adding Decimals to the Hundredths Place  |
Lesson Plan
View Lesson Opener Hands On (5-10 min)
View Guided Lesson Students will add hundredths to hundredths using models. (12-20 min)
View Lesson Closer Explain and Solve (5-8 min)
5.1-3-3 Subtracting Decimals to the Tenths Place  |
Lesson Plan
View Lesson Opener Hands On (5-10 min)
View Guided Lesson Students will subtract tenths from tenths using models. (12-20 min)
View Lesson Closer Agree or Disagree (5-8 min)
5.1-3-4 Subtracting Decimals to the Hundredths Place  |
Lesson Plan
View Lesson Opener Think-Pair-Share (5-10 min)
View Guided Lesson Students will subtract hundredths from hundredths using models. (12-20 min)
View Lesson Closer Explain and Solve (5-8 min)
5.1-3-5 Estimating Decimal Computations  |
Lesson Plan
View Lesson Opener Think-Pair-Share (5-10 min)
View Guided Lesson Students will estimate the answer to a word problem in order to determine if the actual answer is reasonable. (12-20 min)
View Lesson Closer Explain and Solve (5-8 min)
Real World Investigation Part 3    
View Your Olympics: Your Data