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.
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Questions
How many right angles does a rectangle have?
- 0
- 2
- 3
- 4
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4Which shape has no right angles?
- Circle
- Rectangle
- Right-angled triangle
- Square
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CircleA right angle is the same size as the corner of a square. (True or false?)
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TrueHow many right angles does a square have?
- 1
- 2
- 3
- 4
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4How many quarter turns make one whole turn?
- 2
- 3
- 4
- 8
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4A quarter turn is the same size as which angle?
- A right angle
- A straight line
- A whole turn
- Half a right angle
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A right angleYou face the door and turn a half turn. How many quarter turns is that? (Answer out loud)
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2Which kind of line goes straight across, like the horizon?
- Curved
- Diagonal
- Horizontal
- Vertical
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HorizontalA vertical line goes straight up and down. (True or false?)
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TrueTwo lines that meet at a right angle are called...
- Horizontal
- Parallel
- Perpendicular
- Symmetrical
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PerpendicularParallel lines are always...
- Crossing each other
- Curved
- Meeting at a corner
- The same distance apart
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The same distance apartHow many pairs of parallel sides does a rectangle have? (Answer out loud)
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2Parallel lines meet at a right angle. (True or false?)
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FalseHow many lines of symmetry does a square have?
- 1
- 2
- 4
- 8
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4How many lines of symmetry does a rectangle that is not a square have? (Answer out loud)
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2Which letter has a vertical line of symmetry?
- A
- F
- G
- R
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A
Play it as a game
Fishing PondAnswer right to cast at a buoy: fish worth 1 to 3, the golden fish for 5, or a silly old boot!
Claw MachineAnswer right to work the claw: grab a plush prize, but the big ones slip more often!
Lucky DropAnswer right to drop a ball through the pegs. Every bucket scores, and the golden one is worth 10!
Mini GolfAnswer right to putt! Pick a shot: sink it for 5, or land in the 3, 2 or 1 ring.