一年级50以内加减法口算题讲课教案

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22+18= 26+8= 38+4=

32+13=

28-6= 29+15= 27+3= 35+6=

26+16= 27+13= 36-12=

47-11=

23+12= 30+16= 34+12= 35+12=

25+11= 47-16= 14+19= 17+19=

37-17=

33+14= 18+14= 16+27=

42-18=

45+3= 30-16= 19+25= 20-13=

33+14= 30-12= 21+24= 23+16=

43-34= 32+15=

40-23=

35-15=

40+4= 42+7= 31-12= 30-16=

39-18= 35+13= 39-26= 25+18=

42-18= 35-12= 29-11=

48-12=

22+15= 20+19= 29+12=

37+11=

39-18= 34-17= 36-17= 30-16=

24+13= 21+15=

35+12=

18+26=

13+27= 46-15= 37-23= 33+13=

25+13= 39-14= 39-24=

31+18=

39-14=

36+13= 33+15= 47-16=

37+13=

13+35= 30-18= 27+18=

34+7= 31-14= 39+8= 精品文档．

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33-25= 40-13= 32+18= 39-16=

31+16= 27-14= 35-18= 34+13=

41+8= 21+16= 39-16= 25+18=

29+13= 49-24= 34+12=

30-19=

19+15= 29+15= 44+3= 25+13=

27+14= 30-12= 23+14= 21+18=

29+17=

31+17=

48-17= 49-17= 43-22=

25-16= 28+12= 26+14=

39-16=

25+15= 41-16= 48-15= 47-19=

33-17= 29+16= 23+23=

36-18=

45-19= 23+17= 48-26=

48-34=

37-18= 37-25= 28+14= 44-13=

36-23= 18+25=

33+12=

30-16=

36+13= 39-17= 42-16= 45-27=

41-23= 31+14= 31+9= 42-29=

47-12= 19+29=

21+27=

33+15=

18+27= 36-14= 29+14= 29+15=

30-18= 44-15= 33-16= 33-18=

36-18= 35-17= 49-25=

48-13=

37-16= 25+16= 28+12=

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32+8= 30-19= 11+27= 38-12=

41-29= 37+12= 31+17=

31+17=

26+17= 33-17= 49-13= 24+22=

45-25= 34+11= 40-28= 24+14=

31+18= 30-15= 26-15=

30-12=

22-15= 49-18= 30-19= 34-16=

47-36=

34+15= 27+13= 44-18=

33+16=

45-21= 23+14=

31+17=

41-38=

34-15= 45-27= 33+12=

25+24=

45-18= 37-18= 47-24= 15+13=

14+22= 25+23=

44-17=

29+16=

34-10= 22+15= 24+12= 28+15=

16+11= 15+25= 22-16= 46-14=

22+17= 27+13= 12+19=

19+18=

22-13= 31+17= 46-15=

34+12=

25+16= 34-16= 24+15=

33+13=

17+18=

41-19= 48-24= 34-31=

23+16= 19+18= 38-16=

28-15=

44-22= 16+23= 36-26= 27+16=

36-14= 39-16=

48-27=

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33+12= 26+22= 15+14= 48-15=

42-15= 26+19= 44-18= 35-19=

44-19= 37-16= 49-16=

31+18=

38-14= 28-11= 21-12= 39-14=

43-18= 29+13= 28-15= 30+15=

16+15=

26+18= 36+12= 41-12=

45-13=

49-24= 43-19= 41-28= 22-19=

49-44= 46-17= 33-23= 48-26=

46-36= 36-15=

18+15=

34-18=

34+12= 39-14= 38-14= 17+18=

22+25= 38-17= 29-18= 48-14=

23+17= 47-24= 16+24=

31-18=

22+16= 46-17= 36+13=

28-17=

38+12= 37-23= 47-25= 17+23=

34+13= 44-19=

22+17=

31+13=

33-16= 33-15= 38-12= 37-24=

34-24= 47-22= 17+19=

72+15=

34+8=

46-15= 45-28=

45-28=

37+13=

34-13= 32-11= 34-13=

33-23= 38-25= 34-12= 精品文档．

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28+19= 33+12= 31+5= 24+18=

33-17= 34+10= 22+15= 34-8=

29+13= 17+26= 28+11= 33-15=

18+29= 24+14= …… 此处隐藏：3133字，全部文档内容请下载后查看。喜欢就下载吧 ……