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课件网) STUDY Module 2 Unit 4 Numbers Grammar：Instructions and statements about numbers & Imperatives Find the number that, when it is multiplied 23 times by itself, gives this answer:916748676920039158098660927585380162483106680144308622407126516427934657040867096593279205767480806790022783016354924852380335745316935111903596577547340075681688305620821016129132845546805780158806771Maths equation算式:XYX23= YLead-inTalk about the maths calculation.X X X … X= Ymultiply/ m lt pla /v.=equal/ i kw l/v.Language of mathsadd/ d/v.subtract/s b tr kt/v.divide/d va d/v.maths action wordsPresentationLearn the language.Learn the language.Additiona)Add3and9. You get 12.3+9=12b) 3plus9 equals/is 12.plus/pl s/prep.InstructionStatementPresentation3+5=8 12+23=35 40+60=100 a) Add 3 and 5. You get 8. b) 3 plus 5 equals/is 8. a) Add 12 and 23. You get 35. b) 12 plus 23 equals/is 35. a) Add 40 and 60. You get 100. b) 40 plus 60 equals/is 100. Say the addition. Practice Instruction Statement Subtractiona)Subtract3from9. You get 6.9-3=6b) 9minus3 equals/is 6.minus/ ma n s/prep.Learn the language.Presentation13-5=850-23=2790-15=75a)Subtract5from13. You get 8.b) 13minus5 equals/is 8.a)Subtract23from50. You get 27.b) 50minus23 equals/is 27.a)Subtract15from90. You get 75.b) 90minus15 equals/is 75.Say the subtraction.PracticeInstructionStatementMultiplicationa)Multiply3by9. You get 27.3×9=27b) 3multiplied by9 equals/is 27.Learn the language.Presentation7×8=566×9=544×5=20a)Multiply7by8. You get 56.b) 7multiplied by8 equals/is 56.a)Multiply6by9. You get 54.b) 6multiplied by9 equals/is 54.a)Multiply4by5. You get 20.b) 4multiplied by5 equals/is 20.Say the multiplication.PracticeInstructionStatementDivisiona)Divide9by3. You get 3.9÷3=3b) 9divided by3 equals/is 3.Learn the language.Presentation16÷4=442÷6=772÷8=9a)Divide16by4. You get 4.b) 16divided by4 equals/is 4.a)Divide42by6. You get 7.b) 42divided by6 equals/is 7.a)Divide72by8. You get 9.b) 72divided by8 equals/is 9.Say the division.PracticeInstructionStatementInstructionsAnswers1. _____ 12_____3.362._____ 56 _____ 8.73._____ 25 _____ 40.154._____ 10 _____ 15.255._____ 8 _____ 9.726._____ 24 _____ 4.6Multiply byDivide bySubtract fromAdd andMultiply byDivide byThink and write the instructions.PracticeQ: _____Mary is 12 years old. Two years ago, she was twice her brother John’s age. How old is John now A:_____12 minus 2 equals 10. That means Mary was 10 years old two years ago.Then divide 10 by 2. You get 5. That was John’s age two years ago.Add 2 and 5. You get 7. That’s his age now.John is now 7.Work out the word problem.PracticeMultiplyA by B.Instructions about numbersAddA and B.SubtractA from B.DivideA by B.ImperativesPresentationLearn the language.Add3 and 9.Subtract3 from 9.Becareful.Bequiet.Don’t watchTV.Don’t sleeplate.The negative is made by usingDon’torDo notin front of the imperative.Don’t belazy.Don’t belate for school.Positive imperativesNeg ... ...
