Flashcards
Maths Key Words
Cards in this deck (39)
- 1Keywords For Maths TestKeywords For Maths Test
- 2Acute AngleAn angle less than 90 degrees but more than 0 degrees
- 3AddTo bring two or more numbers (or things) together to make a new total.
- 4AdditionAddition is finding the total, or sum, by combining two or more numbers.
- 5AngleThe amount of turn between two straight lines that have a common end point (the vertex).
- 6ArcPart of the circumference (edge) of a circle.
Or part of any curve - 7AreaThe size of a surface.
- 8CapacityThe amount that something can hold.
Usually it means volume, such as milliliters (ml) or liters (l) in Metric, or pints or gallons in Imperial. - 9CentimetreA centimetre is a measure of length. There are 100 centimetres in a meter. 2.54 cm = 1 inch.
The abbreviation is cm. - 10CertainThe ability to be firmly secure on an event occurring
- 11ChordA straight line connecting two points on a curve.
Example: a straight line connecting two points on a circle's circumference would be a chord.
When the chord passes through the centre of a circle it is called the diameter. - 12CircleA 2-dimensional shape made by drawing a curve that is always the same distance from a centre.
- 13circumferenceThe distance around the edge of a circle (or any curvy shape).
It is a kind of perimeter. - 14ConeA solid (3-dimensional) object that has a circular base and one vertex
- 15CongruentThe same shape and size.
Two shapes are congruent if you can Turn, Flip and/or Slide one so it fits exactly on the other. - 16CoordinateCoordinates are a set of values that show an exact position.
On maps and graphs it is common to have a pair of numbers to show where a point is: the first number shows the distance along and the second number shows the distance up or down. - 17CubeA box-shaped solid object that has six identical square faces.
- 18CuboidA cuboid is a box-shaped solid object. It has six flat sides and all angles are right angles.
And all of its faces are rectangles. - 19DataA collection of facts, such as values or measurements.
- 20DecagonA 10-sided polygon (a flat shape with straight sides).
It is a polygon. - 21Decimal PlaceA point or dot used to separate the whole number part from the fractional part of a number.
- 22diameterA straight line going through the centre of a circle connecting two points on the circumference.
- 23DivideTo divide is to split into equal parts or groups. It is "fair sharing".
- 24divisionDivision is splitting into equal parts or groups. It is the result of "fair sharing".
- 25EastThe direction towards the point of the horizon where the sun rises at the equinoxes, on the right-hand side of a person facing north.
- 26EdgeThe line where two surfaces meet
- 27EightA number equivalent to the product of two and four; one more than seven, or two less than ten; 8.
- 28EighteenA number equivalent to the product of two and nine; one more than seventeen, or eight more than ten; 18.
- 29EightyA number equivalent to the product of eight and ten; ten less than ninety; 80
- 30ElevenA number equivalent to the sum of six and five; one more than ten; 11
- 31EquationAn equation says that two things are the same, using mathematical symbols.
An equal sign (=) is used - 32Equilateral TriangleA triangle with all angles equal (60°).
The same as an Equilateral Triangle - 33EquivalentHaving the same value.
- 34EstimateA close guess of the actual value, usually with some thought or calculation involved.
- 35EstimationFinding a value that is close enough to the right answer, usually with some thought or calculation involved.
- 36Even NumberAny integer that can be divided exactly by 2.
The last digit will be 0, 2, 4, 6 or 8 - 37FaceAny of the individual surfaces of a solid object
- 38FactorsFactors are numbers you can multiply together to get another number.
- 39FifteenA number equivalent to the product of three and five; one more than fourteen, or five more than ten; 15.
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- Flashcards on Maths Key Words, created by Navneet.K on 11/12/2013.
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- Navneet.K
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