Pi Day Digital Math Activities for Middle School - Free Printable

Let’s solve this step by step.

We have symbols:
- A pie with a star (let’s call it Pie)
- The pi symbol (π)
- A whole pizza (Pizza)
- A slice of pizza (Slice)

We are given these equations:

1. Pie + π = 8
2. Pie - π = 4
3. Pizza + Slice = 12
4. Pizza - Slice = Slice
5. Slice + Slice = Pizza

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First, let’s solve for Pie and π using equations 1 and 2.

Equation 1: Pie + π = 8
Equation 2: Pie - π = 4

If we add these two equations together:

(Pie + π) + (Pie - π) = 8 + 4
→ Pie + Pie + π - π = 12
→ 2 × Pie = 12
→ Pie = 6

Now plug Pie = 6 into Equation 1:

6 + π = 8
→ π = 8 - 6 = 2

So far:
- Pie = 6
- π = 2

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Now let’s look at the pizza equations.

Equation 5: Slice + Slice = Pizza → That means 2 × Slice = Pizza

Equation 3: Pizza + Slice = 12

But since Pizza = 2 × Slice, substitute that in:

(2 × Slice) + Slice = 12
→ 3 × Slice = 12
→ Slice = 4

Then Pizza = 2 × Slice = 2 × 4 = 8

Check with Equation 4: Pizza - Slice = Slice
→ 8 - 4 = 4 → which equals Slice → Correct!

So now we have all values:

- Pizza = 8
- Pie = 6
- Slice = 4
- π = 2

Final Answer:
Pizza = 8, Pie = 6, Slice = 4, π = 2