Symmetry | Shapes, Space and Symmetry (Where to Look From?) | Assessment | English | Grade 3

Which of the following pictures can be divided into two similar mirror halves by the dotted line?

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Answer explanation

In Option 4, each side of the dotted line is exactly the same. If one side was folded onto the other, it would match perfectly. In options 1,2,3 both sides of the dotted line are not exactly the same. Both sides of the key, cup and flower are slightly different from each other.

Tags

CCSS.4.G.A.3

Disha draws 4 drawings. 3 of her drawings are symmetric, 1 is not. Identify the drawing that is not symmetric.

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Answer explanation

If a horizontal dotted line was drawn dividing Option 1 into two, it would be symmetric. If a vertical dotted line was dividing Option 3 and 4 into two, they would be symmetric. However, no dotted line could divide Option 2 symmetrically.

Tags

CCSS.4.G.A.3

The letter ‘F’, when placed in front of the mirror, looks as shown in the picture. What will the shape below it look like, when placed in front of the mirror?

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Answer explanation

The mirror image of an object shows the object identical in form but reversed about the mirror line. So the image will appear identical but with the left and right sides reversed.

Tags

CCSS.4.G.A.3

Aman wants to fold this star-shaped piece of paper into two exactly same halves. There are many ways to do this. Which of the following ways will NOT give him 2 exactly same halves?

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Answer explanation

If the star is folded as shown in Option 2, the top part will not exactly match the bottom half.

Tags

CCSS.4.G.A.3

Which word will be formed by completing the similar mirror halves of each letter?

• BOY

• DOX

• BOX

• DOV

Answer explanation

If the mirror halves are completed, the word BOX will be formed.

Tags

CCSS.L.3.2F

Draw the line of symmetry on the following figures. Did you complete this question?

• Yes

• No

Tags

CCSS.4.G.A.3

Complete the following pictures by drawing their similar mirror halves on the other side of the line. Did you complete this activity?

• Yes

• No

Tags

CCSS.4.G.A.3