Unit 7 How much are these socks?
Can you count these numbers in English?
1
2
3
4
5
6
7
8
9
10
11
1 2 3 4 5 6 7 8 9 10
11
12 20 21 22 23 24 25 26 27 28 29
13 30 31 32 33 34 35 36 37 38 39
14 40 41 42 43 44 45 46 47 48 49
15 50 51 52 53 54 55 56 57 58 59
16 60 61 62 63 64 65 66 67 68 69
17 70 71 72 73 74 75 76 77 78 79
18 80 81 82 83 84 85 86 87 88 89
19 90 91 92 93 94 95 96 97 98 99
100 101
Numbers
ten
eleven
twelve
thirteen
fourteen
four
+
teen
→
16 sixteen
17 seventeen
19 een
fifteen
eighteen
twenty
twen
+
ty
→
thirty
thir
+
ty
→
40 forty
50 fifty
60 sixty
twenty-one
thirty-two
sixty-seven
one two three four five six seven eight nine ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
een
twenty
thirty
forty
fifty
sixty
seventy
eighty
y
twenty-one … twenty-nine
thirty-one … thirty-nine
forty-one … forty-nine
fifty-one … fifty-nine
sixty-one … sixty-nine
seventy-one … seventy-nine
eighty-one … eighty-nine
y-one … y-nine
one hundred one hundred and one
Learn these numbers and find out the rules:
数字小结:
two ---- twelve ---- twenty
three --- thirteen --- thirty
four --- fourteen --- forty
five --- fifteen --- fifty
six --- sixteen --- sixty
seven --- seventeen --- seventy
eight --- eighteen --- eighty
nine --- een --- y
one ---- ten --- one hundred
基数词的记忆方法:
1. 1 - 12: (记住每个单词)
2. 13 - 19: -teen (thir-; fif-; eigh-)
3. 20 - 90: -ty (twen-; thir-; for-; fif-; eigh-)
4. 21 - 99:
十位
个位
5. 100 - 900:
1-9 hundred
6. 101 - 999:
____ hundred and
__
__
个位
十位
__
个位
1a
Listen and repeat.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Write the numbers in 1a next to the correct word. Which rows of numbers are in the wrong places?
ten __ eleven __ twelve __ thirteen __ fourteen __
twenty-five __ twenty-six __ twenty-seven __
twenty-eight __ twenty-nine __
twenty __ twenty-one __ twenty-two 22
twenty-three __ twenty-four __
fifteen
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