to the cardinal numbers.But if the numbers
finish with 1,2,3,we add st,nd,rd to them
Fill in the blanks
• 1,There are s_e_v_en___days in a week. • 2,Sunday is the f_ir_st____ day of the week. • 3,Summer is the s_e_co_n_d_ season of a year. • 4,Classes begin at e_ig_h_t___(8:00) o‘clock.
Homework
Write a short passage, make sure that it includes 5 cardinal numbers and 5 ordinal numbers.
C structions about numbers
• 3+9 Add 3 and 9 3 plus 9 equals/is 12 3+9=12 • 9-3 Subtract 3 from 9 9 minus 3 equals/is 6 9-3=6
• 3×9 Multiply 3 by 9
3 multiplied by 9 equals/is 27
21st twenty-first
22nd twenty-second
23rd twenty-third 40th fortieth 67th sixty-seventh
33th thirty-third 52nd fifty-second 100th hundredth
We form most ordinal numbers by adding t_h__