數學小學堂--關於數學的英文(一)

放在這參考一下, 各位大德睡不著時來讀一下這篇,保證入睡~~~

23 is 2 tens and 3 ones. 23是兩個10加上三個1
ones 個位數
tens 十位數
53 rounded to the nearest 10 is 50. 將53四捨五入後, 最接近的十位數是50
8 comes between 7 and 9. 8是在7和9之間的數字
First, second and third are ordinal numbers. 第一第二第三是序數
6 + 6 equals 12. 六加六等於十二
26 is less than 37. 26小於37 (= fewer than)
34 is greater than 25 34大於25 (= more than)
In 4, 7, 9, 9 is the greatest(biggest).
In 4, 7, 9, 4 is the least(smallest).
I have the most books. 我的書最多了
2+3=5 is an addition sentence. 是個加法算式
6+2=8 6 plus 2 equals 8.
6+2=8 的算式中, 6,2 叫做addend, 8叫做sum
8-3=5 8 minus 3 equals 5
Do you need to add or subtract? 妳要加還是要減?
15 ones can be regrouped 1 ten and 5 ones. 十五的一可以被重排成為一個十和五個一
Number line數線
Count on往下數
Count back 往回數
Skip-count跳著數

Multiplication and division 加法與除法
11÷2=5…1 ,11=dividend ,÷divided by ,2=divisor ,5=quotient ,1=remainder
6×7=42 ,6=factor ,×=times ,7=factor ,42=product
10 is divisible by 2. 十可以被二整除
Geometry and fractions 幾何—長的方的? 圓的扁的?
Plane shape 平面圖形, …rectangle..
solid shape 立體圖形…cube正方體, cone圓錐體, sphere球體, pyramid角錐體, cylinder圓柱體(念做…西林得兒)