Students complete nine sentences about segment notation, the number of symmetry lines in a regular hexagon, and the term for lines meeting at 90°. The matching activity connects line, line segment, ray, and parallel lines to their precise geometric definitions.
Matching geometric figures to definitions reinforces the exact vocabulary fourth graders need to classify and describe shapes in later units.
Style:
Lines and Symmetry
Part A: Fill in the Blank
Write the missing word or number on each line.
1. A line segment from point A to point B is written as AB.
2. A regular hexagon has 6 lines of symmetry.
3. Two lines that meet at a right angle are called perpendicular.
4. A ray starts at one point and goes on forever in one direction.
5. The letter H has 2 line(s) of symmetry.
6. An isosceles triangle has 1 line(s) of symmetry.
7. Parallel lines are always the same distance apart.
8. A rhombus has 2 lines of symmetry.
9. The capital letter A has 1 line(s) of symmetry.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Has two endpoints
→ Line segment
Ray
Goes forever in both directions
→ Line
Line segment
Has one endpoint
→ Ray
Parallel lines
Lines that never cross
→ Parallel lines
Line
Lines and Symmetry
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) A line segment from point A to point B is written as AB.
2) A regular hexagon has 6 lines of symmetry.
3) Two lines that meet at a right angle are called perpendicular.
4) A ray starts at one point and goes on forever in one direction.
5) The letter H has 2 line(s) of symmetry.
6) An isosceles triangle has 1 line(s) of symmetry.
7) Parallel lines are always the same distance apart.
8) A rhombus has 2 lines of symmetry.
9) The capital letter A has 1 line(s) of symmetry.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
Has two endpoints
→ Line segment
Ray
Goes forever in both directions
→ Line
Line segment
Has one endpoint
→ Ray
Parallel lines
Lines that never cross
→ Parallel lines
Line
Ready to Practice?
Complete each section carefully.
10 Questions
10-15 minutes
Auto-graded
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