Lesson 1: I can model addition with regrouping in any place using base ten blocks and drawings. NC.3.NBT.2, NC.3.OA.8
Lesson 2: I can model addition with regrouping across two place values (ones and tens). NC.3.NBT.2
Lesson 3: I can model subtraction with regrouping in any place using base ten blocks and drawings. NC.3.NBT.2, NC.3.OA.8
Lesson 4: I can model subtraction with ungrouping in two place values (hundreds and tens). NC.3.NBT.2
Lesson 5: I can use the expanded form to decompose numbers and then find sums for addition. NC.3.NBT.2, NC.3.OA.8
Lesson 6: I can use estimation and expanded form to decompose numbers to find reasonable sums for addition. NC.3.NBT.2, NC.3.OA.8
Lesson 7: I can use expanded form to decompose numbers and then find differences for subtraction. NC.3.NBT.2, NC.3.OA.8
Lesson 8: I can use estimation and explain the expanded method to solve for subtraction. NC.3.NBT.2
Lesson 9: I can use the expanded form to solve for subtraction. NC.3.NBT.2
Lesson 10: I can use model addition using a number line with accuracy. NC.3.NBT.2, NC.3.OA.8
Lesson 11: I can use model subtraction using a number line with accuracy. NC.3.NBT.2, NC.3.OA.8
Lesson 12: I can estimate and solve addition and subtraction inverse operations using two different strategies. NC.3.NBT.2, NC.3.OA.8
Lesson 13: I can explore various estimation strategies to assess the reasonableness of answers. NC.3.NBT.2
Lesson 14: I can use estimation strategies to assess the reasonableness of answers in two-step word problems. NC.3.NBT.2, NC.3.OA.8
Lesson 15: I can determine if a problem requires an estimate or an exact answer. NC.3.NBT.2, NC.3.OA.8
Lesson 16: I can accurately solve simple two-step problem situations involving mixed operations. NC.3.NBT.2, NC.3.OA.8
Lesson 17: I can solve problems involving comparison situations with an equation using a symbol for unknown. NC.3.NBT.2, NC.3.OA.8
Lesson 18: I can create and solve 2-step word problems involving addition and subtraction. NC.3.NBT.2, NC.3.OA.8
Lesson 19: I can sort and solve word problems explaining strategies and solutions. NC.3.NBT.2, NC.3.OA.8
Lesson 20: I can solve word problems explaining strategies and solutions. NC.3.NBT.2, NC.3.OA.8