4-digit numbers
4-digit number 四位數
Thousands place 千位
  The same in value 等值
Squares and rectangles
Quadrilateral 四邊形
Opposite side 對邊
  Made up 組成
  The four sides are equal in length 四邊相等
  The four angles are right angles 四個均為直角
  The oppsite sides are equal in length 對邊相等
Making quadrilaterals
Rhombus 菱形
Trapezium 梯形
  Make quadrilaterals on pin-board / squared paper 在釘板／方格紙上圍出或畫出四邊形
Addition and subtraction
Subtraction within three places with one / two decompostions 三位減法（包括一／二次退位）
Subtraction of three numbers 三個數連減
  Mixed operations of addition and subtraction 加減混合計算
The four directions
direction 方向
in front of 前面
  at the back 後面
  sitting behind 坐在後面
  on the left 左面
  on the right 右面
  the north 北方
  the east 東方
  the south 南方
  the west 西方
  compass 指南針
  needle 指針
  street map 街道圖
  turn left / turn right 轉左／轉右
  go north / east / south / west 向北／東／南／西走
Hong Kong money
notes 紙幣
coin 硬幣
  exchange 兌換
  1 dollar = 100 cents 1元 = 10角
  Carry one dollar for every 100 cents 滿10角進位1元
Basic division
division 除法
share equally 等分
  left over 剩下
  division sign 除號
  remainder 餘數
  The relationship between multiplication and division 乘法與除法的關係
  Multiplication : multiplicand x multiplier = product 被乘數Ｘ乘數＝積
  Division: dividend divisior = quotient 被除數 除數＝商
Pictograms
Comparing the number of objects 比較物件的數量

Sort the items

 項目分類
 

Put the stickers in lines

 把貼紙排成直行
  Match the objects one by one 把圖像一一對應
  Make a pictogram 製作象形圖
  Interview 訪問
  Collect data 搜集資料
  Draw a frequency table 畫頻數表
  Use pictures to show the objects 用圖像代表物件
  Each picture stands for 1 unit 一個圖像代表一個單位
 

Horizontal display

 橫排
 

Column display

 直排
 

Pictures are arranged in lines for easy comparison

把圖像排成行後方便比較
Weight
heavier (than) 較重
heaviest 最重
  lighter (than) 較輕
  lightest 最輕
 

beam balance

天秤
 

measuring unit

 量度單位
  single units 乘數表
  gram 克
  kilogram 公斤／千克
  standard weight 砝碼
  weighting scales 磅
  pointer 指針