Quick-fire Maths recall. Geometry. edges.
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- Doreen Porter
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1 A cube has square faces, vertices and edges.
2 A cube has 6 square faces, 8 vertices and 12 edges.
3 A cuboid has rectangular faces, vertices and edges.
4 A cuboid has 6 rectangular faces, 8 vertices and 12 edges.
5 An edge is where two sides on a shape.
6 An edge is where two sides meet on a shape.
7 A face is one of the flat or curved of a.
8 A face is one of the flat or curved surface of a 3D shape.
9 A pentagon is a polygon with straight sides.
10 A pentagon is a polygon with five straight sides.
11 A hexagon is a polygon that has straight sides.
12 A hexagon is a polygon that has six straight sides.
13 A heptagon is a polygon that has straight sides.
14 A heptagon is a polygon that has seven straight sides.
15 An octagon is a polygon that has straight sides.
16 An octagon is a polygon that has eight straight sides.
17 A nonagon is a polygon that has straight sides.
18 A nonagon is a polygon that has nine straight sides.
19 A decagon is a polygon that has straight sides.
20 A decagon is a polygon that has ten straight sides.
21 An isosceles triangle is a triangle with sides and angles.
22 An isosceles triangle is a triangle with two equal sides and angles.
23 An equilateral triangle is a triangle with sides and angles.
24 An equilateral triangle is a triangle with three equal sides and angles.
25 A scalene triangle is a triangle with no sides or angles.
26 A scalene triangle is a triangle with no equal sides or angles.
27 A polygon is any 2D shape with sides. Polygons can be regular or.
28 A polygon is any 2D shape with straight sides. Polygons can be regular or irregular.
29 A regular polygon is a 2D shape where all sides and angles are the length.
30 A regular polygon is a 2D shape where all sides and angles are the same length.
31 An irregular polygon is a 2D shape which has different length sides and/ or size angles.
32 An irregular polygon is a 2D shape which has different length sides and/ or different size angles.
33 A quadrilateral is a shape with straight sides.
34 A quadrilateral is a shape with four straight sides.
35 A semi-circle is of a circle.
36 A semi-circle is half of a circle.
37 A is a 3D object shaped like a ball. Every point on the surface is the same distance from the centre.
38 A sphere is a 3D object shaped like a ball. Every point on the surface is the same distance from the centre.
39 Perpendicular means two things meet at to each other.
40 Perpendicular means two things meet at right angles to each other.
41 Parallel lines are lines that are the distance apart along their whole length.
42 Parallel lines are lines that are the same distance apart along their whole length.
43 A reflection is when you draw a of the shape.
44 A reflection is when you draw a mirror image of the shape.
45 A transformation is a way of or a shape.
46 A transformation is a way of changing or moving a shape.
47 A 2D shape is a shape.
48 A 2D shape is a flat shape.
49 A is a solid object with identical ends, flat sides and the same cross-section all along its length.
50 A prism is a solid object with identical ends, flat sides and the same cross-section all along its length.
51 A vertex is a at which two or more lines meet in an object or shape.
52 A vertex is a point at which two or more lines meet in an object or shape.
53 A net shows what a looks like when it has been opened out and flattened.
54 A net shows what a 3D shape looks like when it has been opened out and flattened.
55 Congruent means in size and shape.
56 Congruent means identical in size and shape.
57 An angle is an amount of. Angles can be measured in.
58 An angle is an amount of turn. Angles can be measured in degrees.
59 The sum of angles in a triangle add up to.
60 The sum of angles in a triangle add up to 180.
61 The sum of angles around a point add up to.
62 The sum of angles around a point add up to 360.
63 An angle that is less than 90 is known as.
64 An angle that is less than 90 is known as acute.
65 An angle that is equal to 90 is known as a.
66 An angle that is equal to 90 is known as a right angle.
67 An angle that is between 90 and 180 is known as.
68 An angle that is between 90 and 180 is known as obtuse.
69 An angle that is over 180 is known as.
70 An angle that is over 180 is known as reflex.
71 A turn is a around a point.
72 A turn is a rotation around a point.
73 A quarter turn is a rotation of.
74 A quarter turn is a rotation of 90.
75 A half turn is a rotation of.
76 A half turn is a rotation of 180.
77 A three quarter turn is a rotation of.
78 A three quarter turn is a rotation of 270.
79 One full turn is a turn a rotation of.
80 One full turn is a turn a rotation of 360.
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