【正文】
3 = 6 45% = 90o a percentage equals a number showing degrees Match the words with the pictures, signs and numbers. 1 a demical number 2 a pair of odd numbers 3 a fraction 4 zero 5 add。 a quarter 1/10 one tenth Read the following: 3/5, 6/11, 1/8 4 a fraction (分數(shù) ) 5 plus , add (加) 2+5=7 Two plus five is seven. Two and five is seven. Two added to five is seven. 3+ 12 =? What is 3 plus twelve? Read the following: 25 + 24 = 49 30 + 12 = ? 6 minus (減,減號,負號) subtract (減 ) 123=9 Twelve minus three is nine. Three subtracted from twelve is nine. Read the following: 22=0 19 12=7 9765=? 7 times, multiply 乘 2 3 =6 Two times three is six. Two and three multiply makes six. Two multiplied by three makes 6. Read the following: 16 4 = 64 5 3 = 15 8 divide 除 30247。 a group of students must decide what three things to buy. B1 Work in groups of four and: 1 decide the three things to buy with the money and check the price of each thing. 2 Calculate the total price of the three things and work out the amount of money left. 3 write an announcement of your decision to the class, using the words below to help you. B1 Work in groups of four Traffic accidents May asked Officer Chen about traffic accidents. Then she drew a line graph. Read the conversation and write the figures on the graph. 3,729 3,644 3,748 3,639 1 Use the verbs be, rise and fall in the simple past tense. 2 Write the years and numbers of accidents in figures, not in words. B After drawing her graph, May wrote a paragraph about it. Part of the paragraph is given here. Complete it, following these instructions: The graph shows that there ______ 3,691 accidents in 2021 in our city. In _________, the number _______ to ________and _______to ________in ________. In _________, the number _________ again to __________. It ________to _________in _________. Traffic accidents 20212021 were 2021 rose 3,748 fell 3,644 2021 2021 rose 3,729 fell 3,639 2021 。Reading Listening Language Speaking Writing A What do you know about… We all use numbers in our daily life. Numbers are an international language. What do you know about the language of numbers? Learn the following: A decimal number is written as a dot. eg. (zero point six five/ sixtyfive) (eight point o eight.) Read the following: , , , 1 a decimal number( 小數(shù)) Odd numbers cannot be divided by two to give a whole number without a fraction. 2 odd numbers (奇數(shù)) 3 even numbers (奇數(shù)) Even numbers can be divided by two to give a whole number. A fraction is the exact division of a number. eg. 189。 minus 7 multiply, times 8 di