1、Lesson 2 WhatLesson 2 Whats the s the Missing NumberMissing Number 12 40 50 30 35 55 20 10 根据汉语说出英根据汉语说出英 语单词语单词. sixty seventy eighty ninety fifty one hundred 6060 70 8080 9090 100100 60 40 50 30 70 80 20 90 根据汉语说出英根据汉语说出英 语单词语单词. twenty f orty fifty sixty 根据英语说出汉根据英语说出汉 语意思语意思. 1 1 2 2 3 3 4 4 5 5
2、 6 6 7 7 8 8 9 9 1010 1111 1212 1313 1414 1515 1616 1717 1818 1919 2020 2121 2222 2323 2424 2525 2626 2727 2828 2929 3030 3131 3232 3333 3434 3535 3636 3737 3838 3939 4040 4141 4242 4343 4444 4545 4646 4747 4848 4949 5050 5151 5252 5353 5454 5555 5656 5757 5858 5959 6060 6161 6262 6363 6464 6565 666
3、6 6767 6868 6969 7070 7171 7272 7373 7474 7575 7676 7777 7878 7979 8080 8181 8282 8383 8484 8585 8686 8787 8888 8989 9090 9191 9292 9393 9494 9595 9696 9797 9898 9999 100100 WhatWhats 2 minus 1? Its 2 minus 1? Its s 1.1. Whats 4minus 2? Its 2. Whats 6 minus 3? Its 3. Whats 8 minus 4? Its 4. Whats 10
4、minus 5? Its 5. WhatWhats 20 minus 10? Its 20 minus 10? Its s 10.10. Whats 30 minus10 ? Its 20. Whats 40minus 20? Its 20. Whats 50minus 40? Its 10. Whats 70 minus 5? Its 65. WhatWhats 60 minus 10? s 60 minus 10? ItIts50 .s50 . Whats 70minus11? Its 59. Whats 80 minus 12? Its 68. Whats 90 minus13? Its 77. Whats 100minus 14? Its 86. Whats 100 minus50? Its Whats 76 minus 45? Its Whats 96 minus27? Its Whats 87minus 39? Its Whats 14 minus _? Its 2. Whats 20 minus_? Its 5. Whats 70 minus? Its 40. Whats 88 minus_? Its 44. Whats 100 minus_? Its 50. Thank you!