游标卡尺读数练习(精品)

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,游标卡尺的读数,游标卡尺的读数,=,本尺读数,+,游标读数*精度,步骤：,1,、判断精度,2,、读出主尺上的读数。（带单位）,3,、读游标上的读数。（不需要估读）,1,游标卡尺读数练习,3,4,cm,0,10,答案：,30mm+6x0.1mm=30.6mm,2,游标卡尺读数练习,1,2,3,cm,1,2,3,4,5,6,7,8,9,0,0,答案：,10mm+18x0.05=10.9mm,是错的,正确答案是：,10mm+18x0.05=10.90mm,3,游标卡尺读数练习,0,1,2,3,4,5,0,10,20,30,40,50,cm,答案：,3mm+22x0.02mm=3.44mm,4,游标卡尺读数练习,10,11,cm,0,10,答案：,100mm+4x0.1mm=100.4mm,5,游标卡尺读数练习,9,10,cm,0,10,答案：,91mm+7x0.1=91.7mm,6,游标卡尺读数练习,9,10,cm,0,10,答案：,90mm+0 x0.1mm=90.0mm,7,游标卡尺读数练习,4,5,6,cm,1,2,3,4,5,6,7,8,9,0,0,答案：,40mm+9x0.05mm=40.45mm,8,游标卡尺读数练习,cm,1,2,3,4,5,6,7,8,9,0,0,答案：,45mm+9x0.05mm=45.45mm,5,9,游标卡尺读数练习,2,4,cm,1,2,3,4,5,6,7,8,9,0,0,答案：,18mm+19x0.05=18.95mm,3,10,游标卡尺读数练习,0,1,2,cm,1,2,3,4,5,6,7,8,9,0,0,答案：,1mm+15x0.05mm=1.75mm,11,读数,1.,找精度。精度,=1/,分度数,（即游标卡尺的总刻度数）,2.,读主尺,:,游标尺左侧相邻刻度的读数，注意单位是,mm,。,3.,读游标尺：游标尺第,n,个刻度,(,不一定是所标数字，且不可能出现非整数隔,),与主尺某刻度对齐，读作,n x,精度。,1.,游标尺的左边界不是,0,。,2.,精度,=1/,分度数（即游标卡尺的总刻度数）。,3.,读数时,不估读,，主尺、游标尺单位都是,mm,，,小数点的位数和精度一致,。,注意,12,