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Math · Stage 3

Identify parallel and perpendicular lines

Parallel lines stay the same distance apart and never meet — perpendicular lines cross at a right angle, making a square corner.

✦ Math📘 Stage 3 · S3⏱ ~10 min🧒 Ages 7–8★ Free to start
I can identify parallel and perpendicular lines.
Start the free lesson →⬇ Printable PDF
Kavi the owl for Math
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Kavi's Train Tracks & Crossroads 🚉

Kavi looks down at the train tracks 🚉. "These two rails stay exactly the same distance apart — they run side by side and never meet. Those are parallel lines!" Then Kavi reaches a crossroads where two streets cross. "Here the roads meet and make a perfect square corner — a right angle. Lines that cross at a square corner are perpendicular!" Kavi hoots: "Let's learn to spot parallel and perpendicular lines everywhere!"

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What your child will learn

1Parallel or perpendicular?Two straight lines can be parallel or perpendicular. Tap each card to meet them!
2Shapes have parallel and perpendicular edgesLook at the straight edges of a square and a rectangle. The two edges opposite each other never meet — they are parallel. The two edges that touch at a corner make a square corner — they are perpendicular. A triangle has no parallel edges, because every pair of edges meets. Tap a shape to hear its name.
3Clock hands can be perpendicularAt 3 o'clock the hour hand points to 3 and the minute hand points to 12. The two hands make a perfect square corner — a right angle 🕒. Lines that cross at a right angle are perpendicular, so at 3 o'clock the hands are perpendicular!
4Sort the lines around us
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A peek inside

Kavi looks at the two rails of a train track 🚉. They stay the same distance apart and never meet. Are they parallel or perpendicular?
same distance apart + never meet → parallel

Try this at home: Lines that stay the same distance apart and never meet are called ___ lines.

Ready to play and learn?

Start the free interactive lesson, or print the handout for screen-free play.

Start the free lesson →⬇ Download PDF

Part of Math · Stage 3 · S3 on KAVI Academy — a secular, whole-child learning platform for ages 5–12.