This unique challenge gets students thinking critically about estimation.

Let’s go step by step to estimate what percent of each circle is shaded.

We’ll look at each circle one by one and think about how much is filled in — like slices of a pie or pieces of a whole.

Remember: A full circle = 100%. Half a circle = 50%. A quarter = 25%. Three-quarters = 75%.

---

Row 1:

1. First circle: Exactly half is shaded → 50%
2. Second circle: Looks like about 1/3 is shaded → ~33% (we can round to 30% or 35% if needed, but 33% is fine for estimation)
3. Third circle: Almost all shaded except a small slice — maybe 90%? Let’s say 90%
4. Fourth circle: More than half, less than 3/4 — looks like about 60–65% → let’s pick 65%

---

Row 2:

5. Fifth circle: Very tiny sliver shaded — maybe 5%? → 5%
6. Sixth circle: About half, but slightly more — maybe 55%? → 55%
7. Seventh circle: Looks like 3/4 minus a little bit — maybe 70%? → 70%
8. Eighth circle: Just under half — maybe 45%? → 45%

---

Row 3:

9. Ninth circle: Fully shaded → 100%
10. Tenth circle: Almost fully shaded, just a small white slice — similar to #3 → 90%
11. Eleventh circle: Half shaded, same as first → 50%

Wait — actually, looking again at row 3:

- Circle 9: All gray → 100%
- Circle 10: Mostly gray, small white wedge → ~90%
- Circle 11: Half gray, half white → 50%

But wait — there are only 11 circles shown? Actually, counting the image layout:

It’s 3 rows:

Row 1: 4 circles
Row 2: 4 circles
Row 3: 3 circles? Or maybe it’s cut off?

Actually, from the visible part, we have 11 circles total. But since the worksheet says “each of these shapes”, and we’re to estimate, we’ll do all visible ones.

Let me list them clearly with estimated percents:

1. 50%
2. 33% (or 30%)
3. 90%
4. 65%
5. 5%
6. 55%
7. 70%
8. 45%
9. 100%
10. 90%
11. 50%

These are estimates — not exact, because the task is about *estimation*, not measuring with a protractor.

You can adjust slightly based on your own judgment — for example, circle #2 might look like 30% to you, or 35%. That’s okay! Estimation means getting close, not perfect.

---

Final Answer:
Here are the estimated percentages for each shaded circle (in order left to right, top to bottom):

50%, 33%, 90%, 65%, 5%, 55%, 70%, 45%, 100%, 90%, 50%