Grade 2 Math – Lesson Plan (Week: Addition and Subtraction within 100)
Duration: 5 Days
Time per Day: 35–40 minutes
Objective: Students will understand and solve 2-digit addition and subtraction problems within 100, with and without regrouping.
Day 1: Introduction to Addition and Subtraction
Objectives:
- Understand the concept of addition as putting together.
- Understand subtraction as taking away.
Activities:
- Warm-up (5 min): Mental Math – Add and subtract small numbers (e.g., 9 + 6, 15 - 7).
- Direct Instruction (10 min): Use number line to show how to add and subtract within 100.
- Group Activity (15 min): Use beads/sticks to add and subtract tens and ones.
- Worksheet Practice (10 min): Simple addition and subtraction within 50.
Homework: Solve 5 addition and 5 subtraction problems within 50.
Day 2: 2-digit Addition without Regrouping
Objectives:
- Add two-digit numbers without carrying over.
Activities:
- Warm-up (5 min): Flashcard game – Add tens and ones.
- Direct Instruction (10 min): Show column method (no carry).
- Guided Practice (15 min): Students solve 2-digit addition problems using place value blocks.
- Independent Practice (10 min): Worksheet on addition without regrouping.
Homework: Practice 10 addition problems (e.g., 43 + 25).
Day 3: 2-digit Addition with Regrouping
Objectives:
- Add two-digit numbers with carrying.
Activities:
- Warm-up (5 min): Mental Math – Add numbers like 28 + 14.
- Direct Instruction (10 min): Show regrouping using place value (e.g., 37 + 48).
- Hands-on Activity (15 min): Use base-ten blocks to demonstrate regrouping.
- Worksheet Practice (10 min): Add numbers with carrying (e.g., 56 + 27).
Homework: Solve 5 regrouping addition problems.
Day 4: 2-digit Subtraction (with and without borrowing)
Objectives:
- Subtract two-digit numbers.
- Understand borrowing (regrouping in subtraction).
Activities:
- Warm-up (5 min): Quick subtraction facts (e.g., 30 - 6, 40 - 15).
- Direct Instruction (10 min): Teach subtraction with and without borrowing.
- Guided Practice (15 min): Use place value chart for subtraction (e.g., 64 - 28).
- Worksheet (10 min): Mix of subtraction with and without borrowing.
Homework: 6 subtraction problems, 3 with borrowing.
Day 5: Word Problems and Mixed Review
Objectives:
- Solve real-life addition and subtraction problems.
- Review week's concepts.
Activities:
- Warm-up (5 min): Math story (e.g., “Ravi had 52 pencils, gave 27 to his friend…”).
- Group Activity (15 min): Solve word problems in pairs.
- Quiz/Test (15 min): Mixed worksheet of addition/subtraction (regrouping + word problems).
- Review & Discussion (5 min): Clarify doubts, go over quiz answers.