Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd

Name: Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd
Uploaded: 2017-07-04T20:51:33+00:00
Duration: PTM22S54
Channel: Linette Horton
Description: Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd

Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd
12-hour clock notation

12-hour clock notation Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd 12-hour clock notation Example: 9.00 a.m. and 5.00 p.m. are examples of times written using 12-hour clock notation.

24-hour clock notation

24-hour clock notation When we write time using 24-hour clock notation, the time is written using four digits. The first two digits represent the hours and the last two digits represent the minutes. Example: 9.00 a.m. is written as and 5.00 p.m. is written as when using 24-hour clock notation.

Acute angle

Acute angle Angles smaller than 90 are called acute angles. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Acute angle Angles smaller than 90 are called acute angles. Example:

Adjacent

Adjacent Two angles next to each other are called adjacent angles.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Adjacent Two angles next to each other are called adjacent angles. Example:

Angles at a point

Angles at a point The sum of angles at a point is 360. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Angles at a point The sum of angles at a point is 360. Example:

Angles in a triangle

Angles in a triangle The sum of angles in a triangle is 180. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Angles in a triangle The sum of angles in a triangle is 180. Example:

Angles on a straight line
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Angles on a straight line

Angles on a straight line
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Angles on a straight line The sum of angles on a straight line is 180. Example:

Area

Area Area is the amount of space inside a flat shape or figure. We find the area of a square or rectangle by using: Area = Length × Breadth Example: Find the area of the rectangle shown. Area of rectangle = 8 cm × 2 cm = 16 cm2 The area of the rectangle is 16 cm2.

Breadth

Breadth The shorter side of a rectangle is called its breadth.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Breadth The shorter side of a rectangle is called its breadth.

Centre mark

Certain

Certain An event is certain if it will always happen.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Certain An event is certain if it will always happen.

Chance

Chance The probability of an event is the chance or likelihood of it happening.

Convert

Convert We can convert from one unit of measurement to another.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Convert We can convert from one unit of measurement to another. Example: Convert 0.4 km into metres. 0.4 km = 0. 4 × 1000 m = 400 m We get 400 m when we convert 0.4 km into metres.

Coordinate grid

Coordinate grid Example: This is a coordinate grid.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Coordinate grid Example: This is a coordinate grid.

Duration

Duration Example: A ballet performance lasted for 1 h 45 min. We can also say that the duration of the ballet performance was 1 h 45 min.

Equally likely

Equally likely An event is equally likely if it has an even chance of happening.

Even chance

Even chance An event is equally likely if it has an even chance of happening.

Event

Event An event is something that happens.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Event An event is something that happens.

Good chance

Good chance An event is likely if it has a good chance of happening.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Good chance An event is likely if it has a good chance of happening.

Image

Image The figure formed after a transformation is known as an image.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Image The figure formed after a transformation is known as an image.

Impossible

Impossible An event is impossible if it will never happen, or has no chance of happening.

Inner scale

Length

Length The longer side of a rectangle is called its length.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Length The longer side of a rectangle is called its length.

Likelihood

Likelihood The probability of an event is the chance or likelihood of it happening.

Likely

Likely An event is likely if it has a good chance of happening.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Likely An event is likely if it has a good chance of happening.

Line graph

Line graph A line graph is used to represent data which changes over time. Example:

Mirror image

Mirror image Example: The reflected Triangle R’S’T’ is a mirror image of Triangle RST. It has the same size and shape as the original triangle.

Mirror line

Mirror line Example: In a reflection, the mirror line acts as the line of symmetry. mirror line

No chance

No chance An event is impossible if it will never happen, or has no chance of happening.

Obtuse angle

Obtuse angle Angles greater than 90 but smaller than 180 are called obtuse angles. Example:

Outcome

Outcome An outcome is a result. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Outcome An outcome is a result. Example: When we throw a die, the possible outcomes are the numbers 1 to 6.

Outer scale

Percent (%)

Percent (%) Percent (%) means out of 100.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Percent (%) Percent (%) means out of 100.

Perimeter

Perimeter The perimeter of a figure is the total distance around all the sides of the figure. We find the perimeter of a figure by adding up the lengths of all its sides. Example: Find the perimeter of the rectangle shown. Perimeter of rectangle = 5 m + 3 m + 5 m + 3 m = 16 m The perimeter of the rectangle is 16 m.

Poor chance

Poor chance An event is unlikely if it has a poor chance of happening.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Poor chance An event is unlikely if it has a poor chance of happening.

Probability

Probability The probability of an event is the chance or likelihood of it happening.

Probability line

Probability line A probability line can be used to show the chance or likelihood of an event happening. Example: This is a probability line.

Protractor

Protractor We can find the size of an angle by measuring it with a protractor. Example:

Quadrant

Quadrant The x-axis and the y-axis divide the coordinate grid into four sections. Each section is called a quadrant. Example:

Reflection

Reflection When a polygon is reflected, each vertex of the polygon is at an equal and perpendicular distance from the mirror line as its image. The size and shape of the image after reflection is the same as the original polygon. Example:

Scale

Scale Markings at regular intervals on a graph. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Scale Markings at regular intervals on a graph. Example:

Second (s)

Second (s) A unit of measurement for time. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Second (s) A unit of measurement for time. Example: 1 minute = 60 seconds

Second hand

Second hand A clock has an hour hand, a minute hand and a second hand. The second hand shows us the number of seconds that has passed in one minute. second hand

Stopwatch

Stopwatch A stopwatch measures duration in minutes and seconds.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Stopwatch A stopwatch measures duration in minutes and seconds.

Time line

Time line A time line can be used to calculate duration. Example:
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Time line A time line can be used to calculate duration. Example: This time line shows the duration from to 22 20.

Translation

Translation When a polygon is translated, each vertex of the polygon moves the same distance in the same direction. The size and shape of the image after translation is the same as the original polygon. Example:

Transformation

Transformation A transformation is the change in the position, shape or size of an object. Example:

Unlikely

Unlikely An event is unlikely if it has a poor chance of happening.
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Unlikely An event is unlikely if it has a poor chance of happening.

Vertically opposite angles
Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd Vertically opposite angles Vertically opposite angles are formed when two straight lines cross each other at a point. Vertically opposite angles are equal. Example:

X-axis

X-coordinate

Y-axis

Y-coordinate

Maths SMART Grade 5 © 2012 Alston Publishing House Pte Ltd

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