冷校--张雪峰--Unit2Period4.ppt

文档介绍：Oxford English
Period 4
Module 1 Amazing things
Oxford English
Unit
2
Numbers
Read the numbers aloud.
1
CardOxford English
Period 4
Module 1 Amazing things
Oxford English
Unit
2
Numbers
Read the numbers aloud.
1
Cardinal numbers
• In the cardinal numbers, we do not add -s to hundred,
___________ and ______________ .
• With large numbers, we put ______________ between
hundred and ten.
Complete “Work out the rule”.
Read the following numbers.
2,534
25,342
253,423
2,534,233
25,342,330
two thousand five hundred and thirty-four
twenty-five thousand three hundred and forty-two
two hundred and fifty-three thousand four hundred and twenty-three
two million five hundred and thirty-four thousand two hundred and thirty-three
twenty-five million three hundred and forty-two thousand three hundred and thirty
2
Read the numbers aloud.
We form most ordinal numbers by adding __________ to the cardinal numbers. There are exceptions, like first, second and third.
Ordinal numbers
The students are standing in a line. They each have a number (from 1 to 28). Fill in the blanks with cardinal numbers on the left and ordinal numbers on the right.
Instructions about numbers
3
add … and …
subtract … from …
Read the instructions aloud.
Instructions about numbers
4
Read the statements aloud.
In pairs, complete the sentences like those in Table I and Table II.
Instructions about numbers
1 S1: A________ 11 ______ 1.
S2: ______ p______ ______ equals/is ______. ( )
2 S1: S________ 5 ______ 13.
S2: ______ m________ ______ equals/is ______. ( )
3 S1: M________ 7 ______ 8.
S2: ____ m________ by ______ equals/is ______. ( )
4 S1: D________ 16 ______ 4.
S2: ______ d________ by ______ equals/is ______. ( )
5 S1: A________ 9 ______ 6.
S2: ______ p________ ______ equals/is ______. ( )
6 S1: A__