Batavia City School District

Lesson 1 and 2 - Making Number Bonds
Number Bonds

Lesson 3, 4 and 5 - Make a 10 to add and subtract within 20
Compose and Decompose Numbers

Lesson 6, 7, 8 - Make a 10 to add and subtract within 20
Compose and Decompose Numbers

Word Problems Strategy
Draw a Picture Model

Lesson 1 - Forming Base Ten Units of Ten, A Hundred, and a Thousand
Understand the Value of a Number
Counting with Bundles

Lesson 2 and 3 - Understanding Place Value Units of One, Ten and a Hundred
Understand the Value of a Number

Lesson 4, 5, 6, 7 - Three Digit Numbers in Unit, Numeral, Expanded and Word Form
Use expanded form to understand place value of 3-digit numbers

Lesson 8, 9, 10 - Modeling Base Ten Numbers Within 1,000 with Money
Skip counting by Ones, Tens and Hundreds

Lesson 11, 12, 13, 14, 15 - Modeling Numbers within 1,000 with Place Value Disks

Lesson 16, 17, 18 - Modeling Numbers within 1,000 with Place Value Disks

Lessons 19, 20, 21 - Modeling Numbers within 1,000 with Place Value Disks
Mentally add 10 or 100 visualizing base ten blocks
Mentally subtract 10 or 100 using base ten blocks

Lessons 1-5 - Sums and Differences within 100
Add numbers within 100 using base ten blocks
Subtract numbers within 100 using base ten blocks
Mentally add 10 or 100 visualizing base ten blocks
Mentally subtract 10 or 100 visualizing base ten blocks
Explain addition using place value
Explain subtraction using place value
Word Problem - Bar Model

Lessons 6-10 - Strategies for Composing a 10
Add 2 Digit Numbers with Regroup - use Place Value Blocks and Algorithm
Addition with Regrouping - use Place Value Blocks and Algorithm
Subtract a Multiple of 10 from a Two-Digit Number

Lessons 11-16 - Strategies for Decomposing a 10

Lessons 17-22 - Strategies for Composing Tens and Hundreds

Lessons 23-28 - Strategies for Decomposing Tens and Hundreds

Lessons 29-31 - Students Explanations of Written Methods