Acute Triangle. A triangle that has only acute angles

Transcription

1 Acute Triangle A triangle that has only acute angles

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3 Area The amount of objects. It is measured in square units. Quotient The answer to a dividing question (it does not include the remainder) 12 divided by 6= 2

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5 Axis: A horizontal or vertical line in a graph each axis is labeled using words or numbers that explain what the lines, bars, or pictures used in the graph mean horizontal axis

6 Bar graph A graph that uses horizontal or vertical bars to represent data Isosceles A triangle with two equal sides

7 Product The answer to a multiplication question 4x5=20

8 Bar graph A graph that uses horizontal or vertical bars to represent data Isosceles A triangle with two equal sides

9 Product The answer to a multiplication question 4x5=20

10 Broken-Line A graph that connects each point of data using lines. Graph Greater Than A sign used to compare number

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12 Carroll diagram A diagram that uses rows and columns to identify. Net A 2-D shape that you can fold to make a 3-D shape.

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14 Degree Celsius A unit of measure used to record temperature. Water Freezes at 0ºC and boils at 100ºC. 33ºC 20ºC 55ºC 15ºC 1ºC 75ºC Digit A digit is the number symbols from 0 to 9. 1, 2, 3, 4, 5, 6, 7, 8, 9,

15 Mean An average value for a set of numbers 5, 3, 4 mean = 4 20, 10 mean = 15 3, 6, 3 mean = 4

16 Circumference The distance around a circle. Heptagon A seven sided shape.

17 Perpendicular A line that right angles to another.

18 Clockwise The direction that the hands on the analog clock move Hexagon A six-sided shape

19 Obtuse angles An angle that measures more than 90 and less than 180

20 Common Within a pattern, the difference between all the numbers is the same. 3,6,9,12 Difference is 3 Percent A ratio that compares an amount to 100. %

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22 Composite numbers A number that has more than two factors. 16: 1,2,4,8,16 Ordinal number A number s place in a sequence. st nd rd th 1, 2, 3, 4...

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24 Congruent Shapes that match. (Their sides and angles are equal) G Q

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26 Concave A curved or pointed surface(the inside of a cave) Convex Curved or pointed outwards (the outside of a cave)

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28 Counterclockwise The opposite direction the hands on a clock move. Hypothesis An idea you can test. If four multiplied by 7 is 28, then 28 divided by 7 is 4.

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30 Decametre Ten metres a unit of measure for length. One decametre = 10 metres Height The distance from the bottom to the top of a shape, measured straight up and down.

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32 Decimal Equivalent When two numbers or parts of numbers represented by fractions or decimals equal each other. ¼ = 0.25 Numerator The number above the dividing bar in a fraction ¼

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34 Denominator The bottom number in a fraction. Nonlinear Pattern A pattern where the difference between the numbers is not always the same. 4, 7, 9, 18.

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36 Dividend The number that another number will divide into. 16 divided by 4 Improper Fraction A fraction in which the numerator is bigger than the denominator. 10 2

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38 Equation A statement in math where both sides equal each other = = 16 3 X 6 = 18 Line of symmetry A line that divides a 2-D shape so that both sides are exactly the same

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40 Equilateral A triangle that has all equal sides Pyramid A 3-D shape with a polygon for a base the other faces are triangles that meet at a single vertex

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42 Expanded Form A way to write a number that shows the value of each digit = Perimeter The distance around a shape.

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44 Factor A whole number that divides another whole number with no remainder. 1, 2, 3, 4, 6, 12 are all factors of 12 Pentagon A five sided shape

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46 Fraction Numbers that are used to represent a whole or part of a number. Millilitre(mL) Used when measuring capacity.

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48 Circumference The distance around a circle. Heptagon A seven sided shape.

49 Perpendicular A line that right angles to another.

50 Polyhedron A 3-D shape with polygons for faces eg. prisms or pyramids. Vertical line A line that goes up and down.

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52 Prime Number A number that has only two factors, 1 and itself. 1, 3, 5, 7, 11, 13 Median The middle number in a set of numbers. 2, 2, 4, 5, 6, 6, 9

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54 Prism A 3-D shape with opposite congruent bases, the other faces are parallelograms. Mass The amount of matter in an object

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56 Ratio A comparison of two numbers or quantities measured in the same units. Rectangle A polygon that is a quadrilateral figure with four straight angles.

57 Reflection A flip of a 2-D shape where each vertex flips to the opposite side of the reflection line, but stays the same distance from the line. Regular Polygon A polygon that has equal sides and equal angles.

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59 Ratio A comparison of two numbers or quantities measured in the same units. 2:4 3:1 7:10 3:16 Rectangle A polygon that is a quadrilateral figure with four straight angles.

60 Reflection A flip of a 2-D shape where each vertex flips to the opposite side of the reflection line, but stays the same distance from the line. Regular Polygon A polygon that has equal sides and equal angles.

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62 Rhombus A quadrilateral with four equal sides. Right Angle An angle that makes a square corner and measures 90 degrees

63 Right Triangle A triangle with one right angle. Rotation A turn of a shape where each vertex must stay an equal distance from the centre of the rotation.

64 Rotational Symmetry A shape that fits on itself exactly more than once in a complete rotation.

65 A set of items lined up horizontally. Row

66 Rhombus A quadrilateral with four equal sides. Right Angle An angle that makes a square corner and measures 90 degrees 90

67 Right Triangle A triangle with one right angle. Rotation A turn of a shape where each vertex must stay an equal distance from the centre of the rotation.

68 Rotational Symmetry A shape that fits on itself exactly more than once in a complete rotation.

69 Row A set of items lined up horizontally. 2, 10, 14, 22, 32,

70 Scale The size of a model compared with what it represents. Scalene A triangle that has no two sides equal in length.

71 Scatter Plot A graph that plots coordinate pairs to help compare two sets of data. Side A line that stretches from one vertex to the other to form a polygon.

72 Square A quadrilateral with four equal sides and four right angles.

73 Tally A method of recording data using one vertical stroke as the number. T-Chart A chart uses two columns to record related information.

74 Tiling Pattern A pattern that fits together repeated congruent shapes. Transformations A mapping of points that results in a change of position, orientation or size.

75 Translation A slide of a shape along a straight line. Trapezoid A quadrilateral with exactly 2 parallel lines.

76 Triangle A polygon with three sides.

77 Variable A letter or symbol used to represent a quantity that changes. Venn Diagram A way of showing the differences and similarities between two groups of data.

78 Vertex (pl. vertices) The point at the corner of an angle or shape. vertex Volume The amount of space occupied by an object identified by cubic units.

79 Whole Numbers The counting numbers that begin at 0 and continue forever: 0,1,2,3... X- axis The horizontal number line in the Cartesian coordinate system. X

80 The vertical number line in the Cartesian coordinate system. Y- axis