Curriculum Library

Grade 3 Unit 6: Place Value: Numbers and Operations in Base Ten

Key Concept: Identifying multiples of ten is a strategy that can be used find the product for problems when one factor is a 2-digit number.

Unit Launcher    
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Lesson Sequences

3.6-1-1 Multiplying Single-Digit Numbers by Multiples of Ten: Unit Names  |
View Lesson Opener Talk-About (10 min)
View Guided Lesson Make models using place value disks and find the products for groups of ones and tens. Write equations using the unit form. (12-18 min)
View Lesson Closer Explain & Solve (5 min)
3.6-1-2 Multiplying Single-Digit Numbers by Multiples of Ten: Equations  |
View Lesson Opener Hands-On (10 min)
View Guided Lesson Make models using place value disks and find the products for groups of ones and tens. Write equations using the unit form. (12-18 min)
View Lesson Closer Apply Your Knowledge (5 min)
3.6-1-3 Using the Distributive Property with Multiples of Ten: Numbers Only  |
View Lesson Opener Think-Pair-Share (10 min)
View Guided Lesson Complete equations using the distributive property to find the product of two factors when one factor is a multiple of 10. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
Real World Investigation Part 1    
View Colleen's Calorie Count: Colleen's Data
Key Concept: Rounding is a strategy in which we replace one number with another that is close to it and easier to mentally calculate.

Lesson Sequences

3.6-2-1 Rounding to Multiples of Ten: Place Value  |
Lesson Plan
View Lesson Opener Hands-On (10 min)
View Guided Lesson Make models for two digit numbers using base ten blocks, label each place and round the number to the nearest ten. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
3.6-2-2 Rounding to Multiples of Ten: Number Line  |
Lesson Plan
View Lesson Opener Hands-On (10 min)
View Guided Lesson Place two digit numbers onto a number line and learn to round them to the nearest multiple of ten. (12-18 min)
View Lesson Closer Explain and Solve (5 min)
3.6-2-3 Rounding to Multiples of Hundreds: Place Value  |
Lesson Plan
View Lesson Opener Walk-About (10 min)
View Guided Lesson Make models for three digit numbers using base ten blocks, label each place and round the number to the nearest multiple of a hundred. (12-18 min)
View Lesson Closer Apply Your Knowledge (5 min)
3.6-2-4 Rounding to Multiples of Hundreds: Number Line  |
Lesson Plan
View Lesson Opener Think Pair Share (10 min)
View Guided Lesson Place three digit numbers onto a number line and learn to round them to the nearest multiple of a hundred. (12-18 min)
View Lesson Closer Agree/Disagree (5 min)
Real World Investigation Part 2    
View Colleen's Calorie Count: Create Some Data
Real World Investigation Part 3    
View Your Calorie Count: Your Data