2020‘1二年级神算能手公开课教案教学设计课件资料.docx

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1、2020学年第一学期神算能手（二年级上）XX XX XX XX一、口算（每题0.5分，共40分）56-35 =17 + 73 =3X9 =53 + 27 =5X3 =54-17 =54-45 =6X7 =3X8 =75-19 =68 + 12 =66-45 =75 + 17 =70-46 =8 + 38 =44+37 =8X4 =7X4 =14+56 =38 + 33 =81-22 =3X6 =92-19 =31- 8 =7X9 =6X5 =52-17 =8X7 =86-19 =5X8 =5X9 =5X4 =52-36 =7X8 =41-26 =34+33 =7X7 =34-17 =9 +19

2、 =9X6 =7 +53 =46-20 =69-30 =73-45 =70 + 29 =90-20 =53 + 37 =5X8 =25 + 52 =8X9 =6 =48 7 = 35 +14 = 5072-=5558+=74 -43 = 1657-=28 +23 = 41 9 = 27 8 = 646X7-9=3X6+14 =77+7=8X5-22 =54-(13 + 11) =52+(33-6) =64+21-3 =12 + 38 + 7 =7X6+5=3X5-6=43 + 38-53 =5X8+7=9X7+6=7X2-5=8X6-16 =3X9-5=5X9+7=52 + 14-5 =86-(43 + 30) =80-(35-25)二、（）里最大能填几（每题0.5分，共4分）()9 () 5436 ()() 526)8524 () 7 () 3X () 25三、列竖式计算（每题1分，共6分）65-37 =83-46=37 + 54 =26 + 37 + 19 =60-35 + 28 =72- (63-35)