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Definition
The answer to an addition question. |
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An angle that measures between 0 and 90 degrees is called an: |
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| The operation that involves finding the sum of 2 or more numbers is: |
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| An angle can also be referred to as the: |
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| This dimension is found by multiplying 2 dimensions such as length x width: |
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| A right rectangular prism with six congruent square faces. It is also called a hexahedron. |
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The picture below is used for mutliplication to show 5 x 3 and is referred to as an: ***** ***** ***** |
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A quantitative or qualitative characteristic of a shape, an object, or an occurrence is called an: |
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| Materials that are used to represent numbers. Includes cubes, flats, longs and units. |
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| The type of graph that is used to measure change over time such as the price of gas is called: |
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The greatest amount that a container can hold; usually measured in litres or millilitres.
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| 1 000 millilitres is known as a: |
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| Cartesian coordinate grid or Cartesian plane |
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Definition
A gird or plane that shows and x axis and a y axis. Coordinates can be used to plot points such as (5, 8) |
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| The points on a plane that are all the same distance from a centre. |
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| A graph that can be divided into sections to show parts or pieces that represent data. |
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A number that has factors in addition to itself and 1. Example: 8 |
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| Objects that students handle and use in constructing or demonstrating their understanding of mathematical concepts and skills. |
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| A three-dimensional figure with a circular base and a curved surface that tapers proportionally to an apex. |
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Definition
| Having the same size and shape. |
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| An ordered pair used to describe location on a grid or plane. For example, (3, 5) |
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A three-dimensional figure with two congruent, parallel, circular faces and one curved surface.
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Definition
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| A unit for measuring angles |
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| Square Units or Units Squared |
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Definition
| Area is measured in these types of units: |
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Term
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| The number below the line in a fraction that shows the number of parts the whole has been divided into: |
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A line segment joining two vertices of a polygon that are not next to each other. A square has one of these types of lines as a line of symmetry. |
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| A line segment that joins two points on a circle and passes through the centre. |
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A mathematical statement that has equivalent expressions on either side of an equal sign. Example: 5 x 8 + 2 = 44 - 2 |
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| A triangle with three equal sides and 3 equal angles. |
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Term
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Definition
| 1/3, 2/6, 3/9. 4/12 are examples of these types of fractions: |
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| 5:12, 10:24, 20:48 are all examples of these types of ratios: |
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A process of replacing a number by an approximate value of that number. Example: 34 + 68 changed to 30 + 70 to get an approximate value of 100. |
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| Experimental probability. |
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Definition
The likelihood of an event occurring, determined
from experimental results rather than from theoretical reasoning.
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Term
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Definition
Natural numbers that divide evenly into a given natural number. For example: 1,2,4 and 8 are all ______ of 8. |
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Definition
| A flip of a shape is also known as a: |
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| The number of times an event or outcome occurs during a probability experiment. |
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| A line segment whose endpoints are the centre of a circle and a point on the circle. The ______ is half the diameter. |
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Definition
| A type of board that can be used to make shapes with elastics. |
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| A polygon with seven sides. |
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| A polygon with six sides. |
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| A 10 x 10 table or chart with each cell containing a natural number from 1 to 100 arranged in order. |
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| A fraction whose numerator is greater than its denominator. Example: Eight quarters (8/4). |
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| Lines that cross each other and that have exactly one point in common. |
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| A polygon that does not have all sides and all angles equal. |
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| A polygon that has all sides and all angles equal. |
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| Dot paper used for creating perspective drawings of threedimensional figures |
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Definition
A triangle that has two sides of equal length.
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| A line that divides a shape into two congruent parts that can be matched by folding the shape in half. |
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| A measurement of one linear attribute; that is, distance, length, width, height, or depth. |
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| The type of line segment that runs up and down to create a line of symmetry. |
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Definition
| The amount of matter in an object; usually measured in grams or kilograms: |
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| One measure of central tendency. The ______of a set of numbers is found by dividing the sum of the numbers by the number of numbers in the set. |
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Definition
| The middle value in a set of values arranged in order. For example, 14 is the ________for the set of numbers 7, 9, 14, 21, 39. |
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Definition
| The product of a given whole number multiplied by any other whole number except 1. For example, 4, 8, 12,… are __________ of 4. |
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Definition
| An operation that represents repeated addition, the combining of equal groups, or an array. |
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Definition
| A pattern that can be folded to make a three-dimensional figure. |
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| A line that represents a set of numbers using a set of points. |
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| The number above the line in a fraction. It represents the parts of the whole. |
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Definition
| Two numbers, in order, that are used to describe the location of a point on a plane, relative to a point of origin (0,0). |
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| A number that shows relative position or place; for example, first, second, third, fourth. |
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| Lines in the same plane that do not intersect. |
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Definition
| A quadrilateral whose opposite sides are parallel such as a square, rectangle or rhombus. |
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Definition
| A polygon with five sides. |
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A ratio expressed using the symbol, %. It means “out of a hundred”. |
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| The length of the boundary of a shape, or the distance around a shape. |
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| Two lines in the same plane that intersect at a 90º angle. |
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| The value of a digit that appears in a number. The value depends on the position or place in which the digit appears in the number. |
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Definition
| A closed shape formed by three or more line segments; for example, triangle, quadrilateral, pentagon, octagon. |
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Definition
| Information that is collected directly or first-hand; for example, observations and measurements collected directly by students through surveys. |
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Definition
| A whole number greater than 1 that has only two factors, itself and 1. For example, the only factors of 7 are 7 and 1. |
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Term
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Definition
| A three-dimensional figure with two parallel and congruent bases. |
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Term
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Definition
A number from 0 to 1 that shows how likely it is that an event will
happen.
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Term
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Definition
The answer to a multiplication question. |
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Term
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Definition
| A fraction whose numerator is smaller than its denominator; for example, 2/3. |
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Term
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Definition
A polyhedron whose base is a
polygon and whose other faces are triangles that meet at a common vertex.
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Definition
A comparison, or a type of ratio, of two measurements with different units, such as distance and time; for example, 100 km/h, 10 kg/m3, 20 L/100 km.
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Definition
| A three-dimensional figure that has polygons as faces. |
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Definition
An expression showing a composite number as the product of its prime factors. The _________________ for 24 is 2 x 2 x 2 x 3.
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Definition
| One quarter of the Cartesian plane, bounded by the coordinate axes. |
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Term
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Definition
| A polygon with four sides |
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Definition
A quadrilateral in which opposite sides are equal, and all interior angles are right angles.
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Term
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Definition
| A prism with opposite congruent rectangular faces. |
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Term
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Definition
| The mirror image that results from a flip is also called a: |
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Definition
| A parallelogram with equal sides. Sometimes called a diamond. |
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Definition
| An angle that measures 90º. |
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| A transformation that turns a shape about a fixed point to form a congruent shape. Also called turn. |
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Definition
| Turning or rotating a shape less than 360 degrees so that it appears to look the same as its original position. |
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Definition
A type of drawing in which the lengths are proportionally reduced or enlarged from actual lengths. For example: 1 cm may equal 1 m. |
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Definition
| Information that is not collected first-hand; for example, data from a magazine, a newspaper, a government document, or a database. |
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Term
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Definition
Another word for slide. Example: H H H H H H H |
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Definition
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Definition
| A rectangle with four equal sides and four right angles. Also can be considered a rhombus. |
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Definition
A way of writing a number in which each digit has a place value according to its position in relation to the other digits. For example, 7856 is in this type of form. |
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Definition
| An angle that measures 180º. |
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Definition
| The operation that represents the difference between two numbers. |
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Definition
| The total area of the surface of a three-dimensional object. |
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| A record of observations gathered from a sample of a population. For example, observations may be gathered and recorded by asking people questions or interviewing them. |
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Definition
The geometric property of being balanced about a point, a line, or a
plane. |
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Definition
An arrangement of numerical values in vertical columns and horizontal rows. Often patterns are organized by one of these. |
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Definition
| A chart that uses tally marks to count data and record frequencies |
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Definition
| The numbers in a pattern, such as the 5th "______" or the 6th "______". |
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Definition
| A tiling pattern in which shapes are fitted together with no gaps or overlaps. A regular one uses congruent shapes. |
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Definition
| A polyhedron with four faces. It has faces that are equilateral triangles. Some people may called it a trianglular based pyramid. |
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Definition
| A change in a figure that results in a different position, orientation, or size. It could be a translation, reflection or rotation. |
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Definition
| A quadrilateral with one pair of parallel sides. |
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Definition
| A rate that, when expressed as a ratio, has a second term that is one unit. For example, travelling 120 km in 2 h gives a unit rate of 60 km/h. |
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Definition
A letter or symbol used to represent an unknown quantity. For example: 5 + x = 15 |
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Definition
A diagram consisting of overlapping and/or nested shapes used to show what two or more sets have and do not have in common.
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| The amount of space occupied by an object; measured in cubic units, such as cubic centimetres. |
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Definition
The name for any number that is not a fraction or mixed number. |
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