课件20张PPT。
Cardinal and ordinal numbers
Some numbers we have learntCardinal numbersCommon errorsCorrect the errorsWhen we say thirteen, we stress the second syllable.When we say thirty, we stress the first syllable.How do you say ‘13’ and ‘30’?Common errorsordinal numbersCorrect the errorsMost ordinal numbers are made by adding -th to the cardinal numbers, except for one, two and three.Here are two decimals. How can we read them?We say each number separately after a decimal point.Here are two fractions. How can we read them?Common errorsDecimals and fractionsCorrect the errorsListen and write the numbers.A1 Say the time in two ways.A2 Say these telephone numbers.When we say telephone or ID card numbers, we say each number separately. For 0 we say zero or oh. When two of the same number are together, we can say double before the number, for example,2341 2205—two threefour one,double twozero five,or two threefour one,two two zerofive.Write the correct date in words to completeeach sentence. Use the information in the box. The first one has been done for you.A3New Year’s Day is on ________________________________.
International Women’s Day is on ______________________.
Tree Planting Day is on ______________________________.
Teachers’ Day is on _________________________________.
The National Day is on ______________________________.Listen and choose the best answers.A. 60 yuan B. 16 yuan C.120 yuan D. 32 yuan
A. one B. two C. three D. four
A.$60 B. $50 C. $30. D. $25
A.120 yuan B.40 yuan C.160 yuan D.80 yuan
A. 300 yuan B. 500 yuan C. 800 yuan D.1300 yuan
A. 5 yuan B. 10 yuan C. 15 yuan D. 25 yuan
A. 15 B. 18 C. 21 D. 33
A. 100 yuan B. 200 yuan C. 180 yuan D. 280 yuan
A. About two hours B. About two and a half hours
C. About three hours D. About three and a half hours
A. 20 cents B. 40 cents C. 60 cents D. 80 cents
Cardinal and ordinal numbers
Decimals and fractions
Time
telephone numbers
date
Some numbers we have learntReview the reading of numbers.
Book 8A, page 63.