Adding Integers Fun

Objective

Students will be able to add integers with understanding of positive and negative values by using hands-on materials, collaboration, and interactive games aligned with the Common Core Standard 6.NS.C.5.

---

Common Core State Standard

CCSS.MATH.CONTENT.6.NS.C.5
Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level). Use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation.

---

Materials

• Integer tiles or colored chips (red = negative, blue = positive)
• Whiteboards and markers
• Number line strips (large enough for group activity)
• “Integer War” card game decks (cards with integers from –10 to 10, exclude zero)
• Printed addition problem slips for pair work

---

Time Breakdown

Activity	Time
Engage - Integer Walk	3 minutes
Explore - Tile Addition Game	5 minutes
Explain - Group Discussion	3 minutes
Elaborate - Integer War Game	4 minutes
Evaluate - Quick Check Writing	2 minutes

---

Detailed Plan

Engage: Integer Walk (3 minutes)

• Purpose: Activate prior knowledge and connect integers to real-life context.
• Activity: Place number line strips around the classroom floor. Assign each student a starting point (e.g., zero or a positive integer). Call out integer addition problems (e.g., "Start at 3, add -5"). Students physically walk the number line to find the answer position.
• Collaboration: Students encourage each other to find solutions.
• Differentiation: Visual and kinesthetic support for students with processing difficulties.

---

Explore: Tile Addition Game (5 minutes)

• Purpose: Hands-on practice representing and solving integer addition problems.
• Activity:
  • Students work in pairs.
  • Each pair receives red (negative) and blue (positive) tiles and problem slips.
  • Students model addition using the tiles (e.g., 4 + (–3): place 4 blue tiles and 3 red tiles, then remove neutral pairs).
  • Write final answer on mini whiteboards and show to partner.
• Collaboration: Partners discuss and explain their reasoning.
• Supports: Teacher circulates for guided support.

---

Explain: Group Discussion (3 minutes)

• Purpose: Solidify understanding and verbalize reasoning.
• Activity: Call on students to explain how tile removal demonstrated integer addition and what zero pairs mean. Use guided questions:
  • “What happens when we add a positive and a negative integer?”
  • “How do zero pairs help us find the answer?”
• Visual Aid: Teacher uses a large number line and tiles to demonstrate a selected example.

---

Elaborate: Integer War Game (4 minutes)

• Purpose: Reinforce skills through game-based learning promoting friendly competition and turn-taking.
• Activity:
  • Students split into two teams.
  • Each student draws two cards, adds integers, and announces their sum.
  • The team with the highest sum wins the round.
• Collaboration: Team discussion on answers to confirm accuracy before winning.
• Engagement: Incorporate positive reinforcement and brief reflection on tricky sums.

---

Evaluate: Quick Check Writing (2 minutes)

• Purpose: Assess individual understanding.
• Activity: On their whiteboards, students write answers to two addition problems involving positive and negative integers. Examples:
  • (–6) + 8 = ?
  • 3 + (–7) = ?
• Teacher Check: Collect or visually check for errors and misconceptions to plan reteach.

---

Modifications & Accommodations

• Use simplified numbers (–5 to 5) to reduce cognitive load.
• Provide manipulatives for all students.
• Allow extra wait time for answers.
• Use peer buddies for support during partner and group activities.

---

Reflection for Teachers

• Observe students' use of physical number lines and tiles to identify if they grasp the concept of adding integers as movement in opposite directions.
• Note which students need additional scaffolding (e.g., visual cues, extra time).
• Celebrate student collaboration and reasoning to promote a growth mindset around math challenges.

---

This engaging, hands-on approach using collaboration and game-based practice ensures that each student, especially in special education contexts, experiences success with integer addition aligned with the Common Core.