# Right angles and lines

> Grade 3: right angles in shapes, quarter, half and whole turns, horizontal and vertical lines, parallel and perpendicular lines, lines of symmetry.

Source: https://olyclass.com/library/math-g3-right-angles-en/

- Subject: Math
- Level: Grade 3
- Practice: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=math-g3-right-angles-en
- Copy and edit it: https://olyclass.com/library?copy=math-g3-right-angles-en
- Games it plays well in: [Fishing Pond](https://olyclass.com/classroom-games/fishing-pond/), [Claw Machine](https://olyclass.com/classroom-games/claw-machine/), [Lucky Drop](https://olyclass.com/classroom-games/lucky-drop/), [Mini Golf](https://olyclass.com/classroom-games/mini-golf/)

## Questions

1. How many right angles does a rectangle have? (0 / 2 / 3 / 4)
   Answer: 4
2. Which shape has no right angles? (Circle / Rectangle / Right-angled triangle / Square)
   Answer: Circle
3. A right angle is the same size as the corner of a square.
   Answer: True
4. How many right angles does a square have? (1 / 2 / 3 / 4)
   Answer: 4
5. How many quarter turns make one whole turn? (2 / 3 / 4 / 8)
   Answer: 4
6. A quarter turn is the same size as which angle? (A right angle / A straight line / A whole turn / Half a right angle)
   Answer: A right angle
7. You face the door and turn a half turn. How many quarter turns is that?
   Answer: 2
8. Which kind of line goes straight across, like the horizon? (Curved / Diagonal / Horizontal / Vertical)
   Answer: Horizontal
9. A vertical line goes straight up and down.
   Answer: True
10. Two lines that meet at a right angle are called... (Horizontal / Parallel / Perpendicular / Symmetrical)
   Answer: Perpendicular
11. Parallel lines are always... (Crossing each other / Curved / Meeting at a corner / The same distance apart)
   Answer: The same distance apart
12. How many pairs of parallel sides does a rectangle have?
   Answer: 2
13. Parallel lines meet at a right angle.
   Answer: False
14. How many lines of symmetry does a square have? (1 / 2 / 4 / 8)
   Answer: 4
15. How many lines of symmetry does a rectangle that is not a square have?
   Answer: 2
16. Which letter has a vertical line of symmetry? (A / F / G / R)
   Answer: A
