📐 Adding & Subtracting Fractions

Sunday, January 12, 2026

🎯 Learning Objective

Students will add and subtract fractions with like denominators with 80% accuracy.

📋 IEP Goal Alignment

Supports math goals for multi-step operations with fractions. Builds on last week's fraction identification work.

🔥 Warm-Up Review 5 min

Quick Fraction Review from Last Week

Let's remember what we learned about fractions:

🍕 1/4 + 1/4 = ?

Think: If you have 1 slice of pizza and get 1 more slice (out of 4 total), how many slices do you have?

📚 Direct Instruction 15 min

Rule #1: Same Denominators = Easy Add!

When fractions have the same bottom number (denominator), just add or subtract the top numbers!

2/5 + 1/5 = 3/5
  • Keep the bottom number (5) the same
  • Add the top numbers: 2 + 1 = 3
  • Answer: 3/5

Rule #2: Subtraction Works the Same Way!

4/6 - 1/6 = 3/6
  • Keep the bottom number (6) the same
  • Subtract the top numbers: 4 - 1 = 3
  • Answer: 3/6

Memory Trick 🧠

"Don't change the DENOM, just work on the NUMER!"

Denominator = Bottom number (stays same)

Numerator = Top number (add or subtract)

👥 Guided Practice - We Do Together 10 min

1 3/8 + 2/8 =
2 5/7 - 2/7 =
3 1/4 + 2/4 =
4 6/10 - 3/10 =

✏️ Independent Practice - You Try! 15 min

5 2/9 + 4/9 =
6 7/8 - 3/8 =
7 1/5 + 3/5 =
8 5/6 - 2/6 =
9 Word Problem: Maria ate 2/8 of a pizza. Her brother ate 3/8. How much did they eat together?

10 Word Problem: A jar was 6/10 full. You drank 2/10. How full is it now?

🎫 Exit Ticket - Show What You Learned!

Solve this before you leave:

4/12 + 5/12 =

♿ Accommodations & Supports

📦 Materials Needed

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Pencils & Paper

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Fraction Circles

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Whiteboard

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Chromebooks