Lesson 1
Objective-Take apart an addend to make a ten to add
CCSS-2.0A.1 Use addition and subtraction within 100 to solve one-and two-step word problems, with unknowns represented with a symbol
3.1a Adding Tens (AAA Math) (NF)
3.1c Shark Addition (Click on "Practice Double Digit Plus One Digit Numbers")
Lesson 2
Objective-Use models to regroup ones as tens to add
CCSS-2.NBT.5 Fluently add and subtract within 100 using strategies based on place value
3.2a Adding Vertically (AAA Math) (NF)
Lesson 3
Objective-Add one-digit numbers and two-digit numbers
CCSS-2.NBT.5 Fluently add and subtract within 100 using strategies based on place value
3.3a Adding Tens (AAA Math) (NF)
Lesson 4
Objective-Add two-digit numbers
CCSS-2.NBT.5 Fluently add and subtract within 100 using strategies based on place value
3.4a Adding Two Digit Numbers (AAA Math) (NF)
3.4b Adding Two Digit Numbers Vertically w/ Regrouping (Boat Race)
Lesson 5
Objective-Rewrite horizontal addition problems vertically to add
CCSS-2.NBT.5 Fluently add and subtract within 100 using strategies based on place value
3.5a Adding Vertically (AAA Math) (NF)
Lesson 6
Objective-Add three and four two-digit numbers
CCSS-2.NBT.5 Fluently add and subtract within 100 using strategies based on place value
3.6a Adding Three, Two Digit Numbers (AAA Math) (NF)
Lesson 7
Objective-Make a model to solve problems
CCSS-2.0A.1 Use addition and subtraction within 100 to solve one-and two-step word problems, with unknowns represented with a symbol
3.7a Complete the Number Sentence (AAA Math) (NF)