Page 13 - 數文呈分貼題王6下(卷1)
P. 13
Language Bridge
Symbol Meaning Example
+ Add, plus (加)Positive (正) 7+6(add 6 to 7, 7plus 6/7加6)
+10 (positive 10/ 正10)
- Subtract, minus(減)Negative(負) 6-5(subtract 5 from 6, 6 minus 5/6-5)
-3 (negative 3/負3)
×, . Times, multiplied by(乘) 8×9, a.b
÷ Divided by(除以) 32÷8 (32 divided by 8/ 32除以8)
= Is equal to(等於) X=10
≠ Is not equal to(不等於) 8≠7
≈ Is approximately equal to(大約等於) 99.9≈100
≡ Is identical to (恆等於) 2x+10≡2(x=5)
> Is greater than(大於) 9>5
≥ Is greater than or equal to(大於或等於) x≥6
< Is less than (小於) 8<10
≤ Is less than or equal to (小於或等於) y≤12
a 2
b Fraction (分數) 3
a:b ratio of a to b (a與b的比) 5:8
a n a to the power n (a的n次方) 3 4
a
√ Positive square root of a ((a>0)a的平方根) √ 9
% Percent (百分率) 5%
∵ because (因為) ∵a+3=4
∴ Therefore (所以) ∴a=1
° Degree (度) 60°
∠ Angle (角) ∠ABC
// Is parallel to (平行) AB//CD
⊥ Is perpendicular to (垂直) EF⊥MN
△ Triangle (三角形) △ABC
≅ Is congruent to (全等於) △ABC≅△DEF
~ Is similar to (相似於) △PQR~△XYZ
Tables of Measurement
Metric Units
Quantity Unit Remark
Length millimetre (mm), centimetre (cm), metre (m), 1 cm = 10 mm, 1 m = 100 cm, 1 km = 1000 m
kilometre (km)
Area square millimetre (mm ), square centimetre (cm ), 1cm = 100 mm , 1m = 10 000 cm , 1km = 1 000 000 m
2
2
2
2
2
2
2
2
square metre (m ), square kilometre (km )
2
2
Volume cubic millimetre (mm ), cubic centimetre (cm ) 1cm = 1000 mm , 1m = 1 000 000 cm 3
3
3
3
3
3
cubic metre (m )
3
Capacity millilitre (mL), litre (L) 1 mL = 1 cm , 1 L = 1000 mL
3
Weight milligram (mg) , gram (g) , kilogram (kg), tonne (t) 1 g = 1000 mg, 1 kg = 1000 g, 1 t = 1000 kg
5
Speed metre per second (m/s) , kilometre per hour (km/h) 1 km/h = m/s
18
9t
5(t-32)
Temperature degree Celsius (℃), degree Fahrenheit (℉) t℃=( +32 )℉ t℉=( )℃
5
9