maths smart grade 1 © 2012 alston publishing house pte ltd about

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdAbout

AboutM

aths SMART G

rade 1 © 2012 Alston Publishing H

ouse Pte Ltd

When we say that there are about 20 people, we mean that the actual number of people is close to 20.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdAfternoon

AfternoonM

aths SMART G


ouse Pte Ltd

The time of the day that is between morning and night.

Example:

Ari eats his lunch at 1 o’clock in the afternoon.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdAs heavy as

As heavy asM

aths SMART G


ouse Pte Ltd

Having the same mass.

Example:

The pineapple is as heavy as the bag of apples.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdAs long as

As long asM

aths SMART G


ouse Pte Ltd

Having the same length.

Example:

Ribbon B is as long as Ribbon D.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdAs short as

As short asM

aths SMART G


ouse Pte Ltd

Having the same length; also means ‘as long as’ or ‘as tall as’.

Example:

Dotty is as short as Curvy.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdAs tall as

As tall asM

aths SMART G


ouse Pte Ltd

Having the same length; also means ‘as short as’.

Example:

Dotty is as tall as Curvy.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdCapacity

CapacityM

aths SMART G


ouse Pte Ltd

The capacity of a container is the measure of how much the container can hold.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdCents

CentsM

aths SMART G


ouse Pte Ltd

One of the units for money; we use ¢ to stand for cents.

Example:

The dime has a value of ten cents (10¢).

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdCoin

CoinM

aths SMART G


ouse Pte Ltd

A coin has two sides and can have different values.

Example:

These are some coins.

Nickel5¢

Quarter25¢

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdColumns

ColumnsM

aths SMART G


ouse Pte Ltd

A table is made up of columns.

Example:

The table shown above has 3 columns.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdData

DataM

aths SMART G


ouse Pte Ltd

Also means information.

Example:

The data in the table shows the type and number of sports items in the sports room.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdDay

DayM

aths SMART G


ouse Pte Ltd

There are seven days in a week – Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdDime

DimeM

aths SMART G


ouse Pte Ltd

A dime has a value of ten cents (10¢).

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdDollars

DollarsM

aths SMART G


ouse Pte Ltd

One of the units for money; we use $ to stand for dollars.

Example:

This is a dollar coin. It has a value of one dollar ($1).

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdDouble

DoubleM

aths SMART G


ouse Pte Ltd

When we find the double of a number, we add the number to itself.

Example:

Double 2 is 2 + 2.So, double 2 is 4.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdEmpty

EmptyM

aths SMART G


ouse Pte Ltd

When we say something is empty, it means that it does not contain anything.

Example:

Glass B is empty.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdEqually

EquallyM

aths SMART G


ouse Pte Ltd

In the same amount.

Example:

Tom has 4 crayons. He shares his crayons equally with Ari.

Each of them gets 2 crayons.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdEven

EvenM

aths SMART G


ouse Pte Ltd

The number of items in a group is even if the items can be shared equally into two groups.

Example:

2, 4, 6, 8 and 10 are even numbers.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdEvening

EveningM

aths SMART G


ouse Pte Ltd

The time of the day that is between afternoon and night.

Example:

Rita eats her dinner at half past 6 in the evening.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdExchange

ExchangeM

aths SMART G


ouse Pte Ltd

Replace with something else that has the same value.

Example:

I can exchange 1 ten-cent coin for 2 five-cent coins.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdFull

FullM

aths SMART G


ouse Pte Ltd

When we say a glass is full, it means that it is filled to the brim and cannot contain anything more.

Example:

The glass is full.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHalf-dollar

Half-dollarM

aths SMART G


ouse Pte Ltd

A half-dollar coin has a value of fifty cents (50¢).

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHalf full

Half fullM

aths SMART G


ouse Pte Ltd

When we say a glass is half full, it means that it is exactly half-filled with water. We can also say that a half full glass is half empty.

Example:

The glass is half full.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHalf past

Half pastM

aths SMART G


ouse Pte Ltd

When the minute hand is pointing at 6, we read the time as half past.

Example:

The time is half past 2.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHeading

HeadingM

aths SMART G


ouse Pte Ltd

The headings of a table tell us what data is in each row or column.

Example:

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHeavy

HeavyM

aths SMART G


ouse Pte Ltd

Having a large mass.

Example:

The sack of potatoes is heavy.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHeavier

HeavierM

aths SMART G


ouse Pte Ltd

Having more mass than another item.

Example:

The pineapple is heavier than the papaya.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHeaviest

HeaviestM

aths SMART G


ouse Pte Ltd

Having the greatest mass of all the items.

Example:

The watermelon is the heaviest.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHigh

HighM

aths SMART G


ouse Pte Ltd

Refers to a position that is far upwards or above the ground.

Example:

The balloons are high up in the sky.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHigher

HigherM

aths SMART G


ouse Pte Ltd

Being further upwards or further away from the ground than another item.

Example:

The green balloon is higher than the orange balloon.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHighest

HighestM

aths SMART G


ouse Pte Ltd

Being furthest away from the ground.

Example:

The blue balloon is the highest of the three balloons.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHolds less

Holds lessM

aths SMART G


ouse Pte Ltd

Example:

Container A holds less water than Container B.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHolds more

Holds moreM

aths SMART G


ouse Pte Ltd

Example:

Container B holds more water than Container A.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdHour hand

Hour handM

aths SMART G


ouse Pte Ltd

The hour hand is the shorter hand on the clock. It shows the hour.

hour hand

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLarger capacity

Larger capacityM

aths SMART G


ouse Pte Ltd

Having the ability to hold more than another container.

Example:

The red pot has a larger capacity than the blue pot.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLargest capacity

Largest capacityM

aths SMART G


ouse Pte Ltd

Having the ability to hold the most among a group of containers.

Example:

Container B can hold the most, so it has the largest capacity.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLight

LightM

aths SMART G


ouse Pte Ltd

Having a small mass.

Example:

The feather is light.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLighter

LighterM

aths SMART G


ouse Pte Ltd

Having less mass than another item.

Example:

The tennis ball is lighter than the basketball.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLightest

LightestM

aths SMART G


ouse Pte Ltd

Having the least weight.

Example:

The beach ball is the lightest.

tennis ballbeach ball

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdList

ListM

aths SMART G


ouse Pte Ltd

A way of organising data.

Example:

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLong

LongM

aths SMART G


ouse Pte Ltd

Example:

Crayon A is long.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLonger

LongerM

aths SMART G


ouse Pte Ltd

Example:

Crayon B is longer than Crayon A.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdLongest

LongestM

aths SMART G


ouse Pte Ltd

Example:

Crayon C is the longest.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdMinute hand

Minute handM

aths SMART G


ouse Pte Ltd

The minute hand is the longer hand on the clock. It shows the minutes.

minute hand

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdMonth

MonthM

aths SMART G


ouse Pte Ltd

There are 12 months in a year – January, February, March, April, May, June, July, August, September, October, November and December.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdMorning

MorningM

aths SMART G


ouse Pte Ltd

The time of the day that comes just after the sun rises.

Example:

Min eats her breakfast at 7 o’clock in the morning.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdNearly empty

Nearly emptyM

aths SMART G


ouse Pte Ltd

Almost does not contain anything.

Example:

Container D is nearly empty.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdNearly full

Nearly fullM

aths SMART G


ouse Pte Ltd

Almost filled up to its brim.

Example:

Container B is nearly full.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdNickel

NickelM

aths SMART G


ouse Pte Ltd

A nickel has a value of five cents (5¢).

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdNight

NightM

aths SMART G


ouse Pte Ltd

The time of the day that comes just after the sun sets.

Example:

Tom goes to bed at 10 o’clock at night.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdO’clock

O’clockM

aths SMART G


ouse Pte Ltd

When the minute hand is pointing at 12, we read the time as o’clock.

Example:

The time is 7 o’clock.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdOdd

OddM

aths SMART G


ouse Pte Ltd

The number of items in a group is odd if there is 1 left over after sharing the items equally into two groups.

Example:

3, 5, 7, 9 and 11 are odd numbers.

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdPenny

PennyM

aths SMART G


ouse Pte Ltd

A penny has a value of one cent (1¢).

Maths SM

ART Grade 1 ©

2012 Alston Publishing House Pte LtdPictogram

PictogramM

aths SMART G


ouse Pte Ltd

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

Example:

QuarterM

aths SMART G


ouse Pte Ltd

A quarter has a value of twenty-five cents (25¢).

RowsM

aths SMART G


ouse Pte Ltd

A table is made up of rows.

Example:

The table shown above has 2 rows.

row

ScaleM

aths SMART G


ouse Pte Ltd

We can measure mass of objects using a scale.

Example:

The pineapple is as heavy as the bag of apples.

ShareM

aths SMART G


ouse Pte Ltd

Giving someone a certain amount of an item such that both end up with some of the same item.

Example:

Sofea buys some sweets and shares some with her brother.

ShortM

aths SMART G


ouse Pte Ltd

Example:

Crayon A is short.

ShorterM

aths SMART G


ouse Pte Ltd

Example:

Crayon C is shorter than Crayon A.

ShortestM

aths SMART G


ouse Pte Ltd

Example:

Crayon B is the shortest.

Smaller capacityM

aths SMART G


ouse Pte Ltd

Having the ability to hold less than another container.

Example:

The blue pot has a smaller capacity than the red pot.

Smallest capacityM

aths SMART G


ouse Pte Ltd

Having the ability to hold the least among a group of containers.

Example:

Container C can hold the least, so it has the smallest capacity.

Start lineM

aths SMART G


ouse Pte Ltd

Used when comparing lengths.

Example:

TableM

aths SMART G


ouse Pte Ltd

A way to organise data.

Example:

TallM

aths SMART G


ouse Pte Ltd

Example:

Giraffe A is tall.

TallerM

aths SMART G


ouse Pte Ltd

Example:

Giraffe B is taller than Giraffe A.

TallestM

aths SMART G


ouse Pte Ltd

Example:

Giraffe C is the tallest.

TitleM

aths SMART G


ouse Pte Ltd

The title of a table tells us about the type of data presented in the table.

Example:

TodayM

aths SMART G


ouse Pte Ltd

Example:

If yesterday was Tuesday and tomorrow is Thursday, then today is Wednesday.

TomorrowM

aths SMART G


ouse Pte Ltd

The day that comes after today.

Example:

If today is Wednesday, then tomorrow is Thursday.

UnitM

aths SMART G


ouse Pte Ltd

We can write the lengths or masses of objects in units.

Example:

The length of the magnifying glass is 5 units.

ValueM

aths SMART G


ouse Pte Ltd

The amount of something.

Example:

The value of a dime is ten cents.

WeekM

aths SMART G


ouse Pte Ltd

A week is made up of seven days.

WeekendsM

aths SMART G


ouse Pte Ltd

Saturday and Sunday are known as the weekends.

WeekdaysM

aths SMART G


ouse Pte Ltd

Monday, Tuesday, Wednesday, Thursday and Friday are known as the weekdays.

YearM

aths SMART G


ouse Pte Ltd

A year is made up of 12 months.

YesterdayM

aths SMART G


ouse Pte Ltd

The day that comes before today.

Example:

If today is Wednesday, then yesterday was Tuesday.

maths smart grade 1 © 2012 alston publishing house pte ltd about

Documents

yesterdayyesterdaythe

tomorrowtomorrowthe

actual number of people

afternoonafternoonthe

eveningeveningthe time

morningmorningthe time

odd numbers

cent coins