Division of decimals
小數除法
Divising decimals by decimals
小數除以小數
Expand both the dividend and divisor 10 out or 100 times
把被除數和除數同時倍大10或100倍
Move the decimal points 2 places to the right
把小數點向右移兩個位
Decimal place
小數位
Handle the remainder
處理餘數
Round off to the nearest tenth or hundredth
四捨五入至十分位或百分位
Mixed operations of decimals
小數混合計算
Move forward
移前
Divisible
除盡
Reduce to its simplest form
約至最簡
Do multiplication and division first, then do addition and subtraction
先乘除,後加減
Vertices and edges of 3-D Shapes
立體圖形的頂與棱
Sides of the base
底邊
Pointed top
尖頂
Plasticine balls
橡皮泥粒
Algebraic expression
代數式
Nets of prisms and cylinders
柱體和圓柱體的摺紙圖樣
Fold into a cuboid
摺成長方體
Sections of 3-D Shapes
立體圖形的截面
Cut horizontally
橫切
Cut vertically
縱切
Cut obliquely
斜切
ellipse
橢圓形
Changing between decimals and fractions
小數和分數互化
Estimating and comparing fractions
估計和比較分數
Recurring decimals
循環小數
Recurring period
循環節
Recurring point
循環點
Terminating decimal
有限小數
Percentages
百分數/百分率
Sign of percentage
百分號(%)
Expand a fraction
擴分
Reduce a fraction
約分
reduce to the simples form
約至最簡
Capacity and volume
容量和體積
1-litre cubical box
一升方盒
The space that an object takes up is called the volume of the object
一件物體所佔空間的大小,稱為體積。
The volume that a container can hold is called the capacity of the container
容器所能容納物體的體積,稱為容量或容積。
cubic metres
立方米
cubic centimetres
立方厘米
Volume of irregular solids
不規則立體的體積
Displacement method
排水法
Overflow can
滿溢瓶
Water displaced
排出來的水
Water risen
升高的水
Average
象形圖
Assumed average height
假定平均高度
Bar Chart
棒形圖
Trend
趨勢
One-to-thousand representation
1格代表1,000
One-to-hundred thousand representation
1格代表100,000
Approximation
近似值
Square
平方
Square root
平方根
Radical sign
平方根號
Curve stitching
繡曲線
Curve stitching pattern
繡曲線圖案
Sector
扇形
Circumference
圓周
Find the value of the percentage of a number
求一數的百分之幾的值
Find the value of the remaining percentage of a number
求一數餘下百分之幾的值
Find the value of the sum or the difference of percentages
求一數的百分之幾的值,再找出它們的和或差
Find the value of a number increased or decreased by a certain percentage
求一數增加或減少了百分之幾後的值
Simple equation
簡易方程
Substitute
代入
Use a letter for the unknown
以英文字母作為未知數
Solve Simple equations involving multiplication and addition
解乘加的方程
Solve Simple equations involving multiplication and Subtraction
解乘減的方程
Solve Simple equations involving division and addition
解除加的方程
Solve Simple equations involving division and Subtraction
解除減的方程
Solve Simple equations involving fractions
解包含分數的方程
Solve Simple equations involving decimals
解包含小數的方程
Use Simple equations to solve problems on area, volume and perimeter
列方程解面積、體積和周界應用題
Circle template
圓形板
Compasses
圓規
Circumference and diameter
圓周和直徑
Trundle wheel
滾輪
Tape measure
軟尺
pi(
π
)
圓周率
Use the diameter to find the circumference
利用直徑求圓周
Use the circumference to find the diameter
利用圓周求直徑
Discounts
折扣
Original Price
原價
Selling price
售價
Amount saved
節省
Discount is used to show how much an item is marked down
折扣是一種表示商品減價出售的方式
Broken line graph
折線圖
Show the changes in data within a period
顯示同項資料在一段時間內的變化
Estimate the future trend
估計往後數據的改變趨勢
Vertical axis
縱軸
Horizontal axis
橫軸
Extend
延長
speed
速率
Metre per second
米每秒
Kilometre per hour
公里每小時
Distance
路程
Travel graph
行程圖
Trip
行程
See the movement of a person or vehicle during the whole trip
了解人或車在整個行程中移動的情況
Chance
概率
Certain
一定
impossible
不可能
Number pattern
數型
Preceding number
前一個數
Following number
後一個數
Rectangular number
矩形數
Square number
正方形數
The sum of a group of consecutive odd numbers
一組連續奇數之和
Triangular number
三角形數
The sum of a group of consecutive numbers
一組連續數之和
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