Cách đếm số trong tiếng anh

 I can understand and say numbers

1. This is the number from one to one hundred.

1	2	3	4	5	6	7	8	9	10
11	12	13	14	15	16	17	18	19	20
21	22	23	24	25	26	27	28	29	30
31	32	33	34	35	36	37	38	39	40
41	42	43	44	45	46	47	48	49	50
51	52	53	54	55	56	57	58	59	60
61	62	63	64	65	66	67	68	69	70
71	72	73	74	75	76	77	78	79	80
81	82	83	84	85	86	87	88	89	90
91	92	93	94	95	96	97	98	99	100

Note: In large numbers (over 999), write a comma (,) between thousands and hundreds e.g 11,000 and between millions and thousands e.g 3,000,000

Spotlight: How do you use "about" with numbers?

About means a bit more or little less than. How many students are there?

There are about 20 students.

This is the red shoes. How much is it?

It is about 100$ one hundred dollar.

2. Do exercise in lesson

A. Correct the mistakes

B. Write the middle number in words

24	Twenty-five	26
7	Eight	9
19	Twenty	21
66	Sixty-seven	68
49	Fifty	51
118	One hundred and nineteen	120
243	Two hundred and forty-four	245
999	One thousand	1001
5,055	Five thousand and fifty-six	5,057
11,300	Eleven thousand three hundred and one	11,301

        C. Write the number in words using about

Sixty-eight people	About seventy people
Ninety-seven euros	About one hundred euro
Nine student	About ten student
Thirty-one years	About thirty years
Four hundred and ninety	About five hundred
One thousand nine hundred and ninety	About two thousand
Seventy-eight people	About eighty people
Two hundred and forty-nine thousand	About two hundred and fifty thousand
Nine hundred and eighty thousand	About a million

I think this lesson that will help you to learn English.