Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd

Name: Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd
Uploaded: 2017-12-26T17:57:47+00:00
Duration: PTM15S48
Channel: Edwin Bartholomew Black
Description: Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd

Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd
Add mentally

Add mentally When we add numbers mentally, we are trying to find a quick way of adding the numbers in our heads. Example: Add 427 and 298 mentally.

Bar graph

Bar graph A bar graph uses bars instead of pictures or symbols to show data. Example:

Centimetre (cm)

Centimetre (cm) A unit of measurement for length. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Centimetre (cm) A unit of measurement for length. Example: The length from the 0 mark to the 1 mark on the ruler is 1 centimetre (or 1 cm).

Century

Century A century is a period of 100 years.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Century A century is a period of 100 years.

Common denominator

Common denominator Example: The fractions and have the same denominator. We say that they have a common denominator.

Common numerator

Common numerator Example: The fractions and have the same numerator.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Common numerator Example: The fractions and have the same numerator. We say that they have a common numerator.

Decade

Decade A decade is a period of 10 years.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Decade A decade is a period of 10 years.

Denominator

Denominator In a fraction, the denominator is the number below the line. Example:

Double

Double When we find the double of a number, we add the number to itself. Example: Double 100 = So, double 100 = 200.

Duration

Duration Example: A carnival lasted for 4 days. We can also say that the duration of the carnival was 4 days.

Equivalent fractions

Equivalent fractions Fractions that have different numerators and denominators, but the same value. Example: So, is an equivalent fraction of .

Frequency

Frequency The number of times something occurs.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Frequency The number of times something occurs.

Frequency table

Frequency table A table that lists items and shows the frequency or number of times they occur. Example: From the frequency table, we know that 3 children like bananas best.

Gram (g)

Gram (g) A unit of measurement for mass. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Gram (g) A unit of measurement for mass. Example: The mass of the apple is 200 grams (or 200 g).

Half

Half When we find half of a number, we divide the number by 2.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Half When we find half of a number, we divide the number by 2. Example: 80 ÷ 2 = 40 So, half of 80 is 40.

Interval

Interval Example: When we count on in weeks, we are counting on in intervals of 7 days.

Kilogram (kg)

Kilogram (kg) A unit of measurement for mass. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Kilogram (kg) A unit of measurement for mass. Example: The total mass of the four oranges is 1 kilogram (or 1 kg).

Kilometre (km)

Kilometre (km) A unit of measurement for length. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Kilometre (km) A unit of measurement for length. Example: Ari jogs around the park twice. He runs a total distance of 1 kilometre (or 1 km).

Litre (l)

Litre (l) A unit of measurement for capacity. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Litre (l) A unit of measurement for capacity. Example: This is a 1-litre (or 1-l) measuring jug.

Metre (m)

Metre (m) A unit of measurement for length. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Metre (m) A unit of measurement for length. Example: The length of the cabinet is 1 metre (or 1 m).

Millilitre (ml)

Millilitre (ml) A unit of measurement for capacity. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Millilitre (ml) A unit of measurement for capacity. Example: This is a 500-millilitre (or 500-ml) measuring jug.

Number bond

Number bond A number bond shows the parts that make up the whole.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Number bond A number bond shows the parts that make up the whole. Example:

Numerator

Numerator In a fraction, the numerator is the number above the line.
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Numerator In a fraction, the numerator is the number above the line. Example:

Past

Past Past is used to show that it is after a certain time. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Past Past is used to show that it is after a certain time. Example: 7.13 is 13 minutes past 7. 7.13

Pictogram

Pictogram A way to organise data using pictures or symbols; can also be known as a picture graph or pictograph. Example:

Quarter past

Quarter past Example: 10.15 is a quarter past 10. 10.15
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Quarter past Example: 10.15 is a quarter past 10. 10.15

Quarter to

Quarter to Example: 10.45 is a quarter to 11. 10.45
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Quarter to Example: 10.45 is a quarter to 11. 10.45

Simplest form

Simplest form We get the simplest form of a fraction when we cannot divide the numerator and denominator further by any common number, except 1. Example: So, is the simplest form of

Subtract mentally

Subtract mentally When we subtract numbers mentally, we are trying to find a quick way of subtracting the numbers in our heads. Example: Subtract 304 from 686 mentally.

Symbol

Symbol We use symbols to represent items in pictograms. The symbol in a pictogram can stand for more than 1 unit. Example: stands for 6 children. So, 6 children like Super Ben cartoon best.

Tally chart

Tally chart A table which uses tally marks (/) to show data. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd Tally chart A table which uses tally marks (/) to show data. Example:

Tally mark

Tally mark We use tally marks (/) to help us record data and keep count of items.

To To is used to show that it is before a certain time. Example:
Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd To To is used to show that it is before a certain time. Example: 8.50 is 10 minutes to 9. 8.50

Maths SMART Grade 3 © 2012 Alston Publishing House Pte Ltd

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