50+ Lines of Symmetry worksheets for 2nd Grade on Quizizz | Free ... - Free Printable

Let's go through each question in the "Lines of Symmetry" quiz and solve them step by step with explanations.

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Question 1:

Image: A heart shape with a vertical dashed line drawn down the center.

Options:
- A) is symmetrical
- B) not symmetrical

✔ Answer: A) is symmetrical

Explanation:
A heart shape typically has one line of symmetry — a vertical line down the middle. If you fold the heart along this line, both halves match perfectly. So, it is symmetrical.

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Question 2:

Image: A trapezoid (specifically an isosceles trapezoid) with a diagonal dashed line drawn from top-left to bottom-right.

Options:
- A) not symmetrical
- B) is symmetrical

✘ Answer: A) not symmetrical

Explanation:
The shape shown is a trapezoid, but the dashed line is a diagonal, not a line of symmetry. For a shape to be symmetrical along a line, folding along that line should make both sides match exactly. In this case, the diagonal does not divide the trapezoid into two matching parts. Even though some trapezoids (like isosceles ones) have a vertical line of symmetry, this diagonal line is not correct. So, this line is not a line of symmetry, and thus the shape is not symmetrical along this line.

> Note: The question may be asking whether the given line makes it symmetrical, not whether the shape has any symmetry at all.

So, since the line shown doesn’t create symmetry, the answer is A) not symmetrical.

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Question 3:

Which of the following shapes does NOT have a line of symmetry?

Options:
- A) Smiley face (two eyes, curved mouth)
- B) Flag on a pole
- C) Heart
- D) Sun (with rays)

✔ Answer: B) Flag on a pole

Explanation:
Let’s check each:

- A) Smiley face: Has a vertical line of symmetry — left and right sides are mirror images.
- B) Flag on a pole: The flag is attached to a pole on one side. This breaks symmetry. You can't fold it so both sides match because the pole is only on one side. So, no line of symmetry.
- C) Heart: As discussed earlier, has a vertical line of symmetry.
- D) Sun with rays: Typically, a sun with evenly spaced rays has multiple lines of symmetry (e.g., vertical, horizontal, diagonals).

Therefore, the flag is the only one that does not have a line of symmetry.

✔ Correct Answer: B

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Question 4:

Which of the following shapes has line symmetry?

Options:
- A) Lightning bolt
- B) Speech bubble (circle with a tail)

✔ Answer: B) Speech bubble

Explanation:
- A) Lightning bolt: Irregular zigzag shape. No line can be drawn where both sides match. So, no line symmetry.
- B) Speech bubble: It's a circle with a small tail. However, if the tail is straight and centered, there might be a vertical line of symmetry through the center of the circle and the tail. But in most cases, speech bubbles are not symmetrical due to the tail being off-center or irregular.

Wait — let’s reconsider carefully.

But looking at the image: the speech bubble is a circle with a small tail pointing downward. If the tail is centered (i.e., directly below the circle), then a vertical line through the center would make both sides match. So yes, it can have a line of symmetry.

However, if the tail is offset, it wouldn’t.

But based on standard design, such a speech bubble usually has no line symmetry unless the tail is centered.

But in many versions, especially in cartoons, the tail is not symmetric, so the whole shape isn’t symmetrical.

But wait — the lightning bolt clearly has no symmetry, while the speech bubble, even with a tail, might have a line of symmetry if the tail is centered.

Looking at typical designs: speech bubbles often have no line symmetry because the tail breaks symmetry. But if the tail is aligned vertically, it could have one.

But the lightning bolt definitely has no symmetry.

So which one has line symmetry?

Let’s compare:
- Lightning bolt: Definitely no line symmetry.
- Speech bubble: If the tail is centered, yes, it could have one line of symmetry (vertical). But if it's off-center, no.

Given that the image shows a simple speech bubble with a tail, and unless it's perfectly centered, it likely doesn’t have symmetry.

But here's the key: the question asks which has line symmetry.

Between these two, neither is perfectly symmetrical, but we must choose the one that does.

But lightning bolts are never symmetrical. They’re jagged and irregular.

Speech bubbles: if the tail is centered, it can have symmetry.

In most educational contexts, a speech bubble like this does not have symmetry because the tail breaks it.

So perhaps neither has symmetry?

But the question says “which of the following has line symmetry?” implying one does.

Wait — maybe the speech bubble is designed with symmetry in mind.

But actually, upon closer inspection: the circle part is symmetric, but the tail breaks it.

Unless the tail is symmetric, which it isn't.

So neither shape has line symmetry?

But that can't be — the question implies one does.

Let’s reevaluate.

Wait — look again:

- Lightning bolt: Not symmetrical — correct.
- Speech bubble: The tail is asymmetric, so no line of symmetry.

But perhaps the speech bubble is meant to be symmetric?

Alternatively, maybe the speech bubble is just a circle with a tail — but in this drawing, it’s not symmetric.

But in reality, a perfect circle with a centered tail does have a line of symmetry — the vertical line through the center and the tail.

So if the tail is straight down and centered, then yes, it has one line of symmetry.

Whereas the lightning bolt has no symmetry.

So the speech bubble (B) does have line symmetry if the tail is centered.

Assuming it is, then:

✔ Answer: B) Speech bubble

Because the lightning bolt clearly has no symmetry, and the speech bubble, despite the tail, can have symmetry if the tail is centered.

Thus, B is the best choice.

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✔ Final Answers:

1. A) is symmetrical
2. A) not symmetrical
3. B) Flag on a pole
4. B) Speech bubble

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Summary of Explanations:

| Question | Answer | Reason |
|--------|--------|--------|
| 1 | A | Heart has vertical line of symmetry |
| 2 | A | Diagonal line is not a line of symmetry for this trapezoid |
| 3 | B | Flag on a pole is asymmetric due to the pole |
| 4 | B | Speech bubble (if tail is centered) has vertical symmetry; lightning bolt does not |

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