最新DOC-人教版一年级数学上册20以内加减法口算题卡122名师优秀教案.doc
DOC-2017人教版一年级数学上册20以内加减法口算题卡1222017人教版一年级数学上册20以内加减法口算题卡122 2017人教版一年级数学上册20以内加减法口算题卡 班级: 姓名: 日期: 0,14, 7,8, 16,15, 11,2, 11,1, 12,2, 1,15, 14, 16,6,6, 8,7, 18,17, 19,13, 10,7, 1,13, 0,10, 19,18, 4,5, 19,18, 16,14, 7,11, 15,10, 2,6,2, 17,( ),13 16,5,8, 6,( ),4 17,5,1, ( ),7,12 5,3,7, ( ),4,6 5,6,1, 7,( ),8 13,8,2, 18,( ),15 15,5,3, 7,( ),1 3,5,6, ( ),4,14 3,3,1, ( ),17,1 17,6,5, 6,( ),13 5,7,9, ( ),4,4 19,4,1, 14,( ),14 18,10,5, ( ),0,9 6,2,4, 11,( ),4 12,9,0, ( ),2,4 16,2,6, 6,( ),8 15,6,2, 8,( ),10 11,11,5, 18,( ),16 17,5,2, 13,( ),19 14,6,2, ( ),1,8 4,3,0, 6,( ),3 2017人教版一年级数学上册20以内加减法口算题卡 班级: 姓名: 日期: 13,1, 10,4, 14,10, 4,8, 18,16, 12,6, 1,6, 19,16, 14,11, 3,11, 1,18, 5,10, 上述五个条件中的任何两个条件都可推出其他三个结论。13,0, (2)两锐角的关系:AB=90°;0,16, 11,7, (3)二次函数的图象:是一条顶点在y轴上且与y轴对称的抛物线,二次函数的图象中,a的符号决定抛物线的开口方向,|a|决定抛物线的开口程度大小,c决定抛物线的顶点位置,即抛物线位置的高低。0,16, 0,7, tanA没有单位,它表示一个比值,即直角三角形中A的对边与邻边的比;13,0, 18,18, (6)三角形的内切圆、内心.16,0, >0 <=> 抛物线与x轴有2个交点;3,11, 11,8,3, 13,( ),0 16,10,2, ( ),1,11 5,10,1, ( ),17,2 14,5,4, 8,( ),1 15,7,5, 10,( ),13 9,8,1, ( ),11,2 15,1,2, 0,( ),3 6,6,6, 18,( ),4 17,7,5, 8,( ),17 8,8,6, ( ),3,6 6,2,7, ( ),6,3 17,0,4, 4,( ),2 9,9,7, 15,( ),15 15,6,5, ( ),10,7 16,7,5, 19,( ),1 4,3,1, 1,( ),11 7,8,7, ( ),11,7 6,3,1, 3,( ),1 16,11,0, 6,( ),0 17,10,0, 11,( ),17 19,5,5, ( ),14,5 2017人教版一年级数学上册20以内加减法口算题卡 班级: 姓名: 日期: 4,5, 1,18, 15,9, 5,7, 0,18, 1,14, 1,12, 4,0, 14,6, 9,4, 14,13, 16,7, 4,7, 13,3, 19,13, 3,13, 5,13, 17,12, 18,6, 17,17, 12,4, 15,7,7, 13,6,3, 15,5,5, 8,6,3, 13,9,1, 11,2,3, 6,4,0, 12,10,3, 19,8,2, 12,7,5, 15,0,6, 16,1,4, 4,2,3, 11,8,0, 6,4,6, 12,0,2, 18,1,4, 16,1,3, 19,6,2, 5,10,7, 15,1,5, 3,( ),2 ( ),( ),8 ( ),13,0 6,( ),1 7,( ),11 ( ),7,0 9,( ),2 <0 <=> 抛物线与x轴有0个交点(无交点);( ),( ),4 ( ),13,2 ( ),18,1 1,( ),4 18,( ),5 2,( ),3 15,( ),0 8,( ),0 5,( ),12 ( ),7,8 ( ),17,2 11,( ),11 7,( ),6 1,( ),12 2. 俯角:当从高处观测低处的目标时,视线与水平线所成的锐角称为俯角2017人教版一年级数学上册20以内加减法口算题卡 班级: 姓名: 日期: 3,11, 11,5, 17,8, 3,16, 1,18, 0,15, 8,5, 11,3, 4,11, 1,12, 18,8, 13,5, 2,8, 13,5, 13,7, 14,8, 9,9, 1,16, 2,15, 2,16, 2,4, 13,6,6, 11,2,6, 4,6,3, 18,0,1, 6,1,4, 18,4,1, 12,8,3, 13,11,6, 6,3,5, 17,3,7, 18,7,3, 17,4,3, 6,8,3, 16,10,4, 16,7,7, 12,10,2, 18,3,6, 4,3,3, 3,4,2, 5,2,4, 5,8,2, ( ),17,1 1,( ),10 2,( ),5 0,( ),15 18,( ),8 17,( ),1 2,( ),0 ( ),6,9 16,( ),18 ( ),0,16 10,( ),14 16,( ),18 12,( ),4 6,( ),6 7,( ),7 17,( ),1 6,( ),2 17,( ),6 13,( ),15 ( ),8,11 3,( ),3 2017人教版一年级数学上册20以内加减法口算题卡 班级: 姓名: 日期: 最值:若a>0,则当x=时,;若a<0,则当x=时,14,1, 1,16, 5,4, 2,10, 1,18, 4,4, 19,0, 3,16, 5,0, 10,5, 9,7, 9,9, 11,1, 3,16, 18,15, 2,16, 10,7, 5,5, 3,14, 3,13, 10,4, 12,2,1, 17,5,3, 17,6,6, 定义:在RtABC中,锐角A的邻边与斜边的比叫做A的余弦,记作cosA,即;2,2, 15,3,2, 13,0,2, 12,9,4, 18,5,5, 12,9,6, 15,8,8,6, 19,0,1, 8,7,4, 16,2,5, 11,10,3, 19,1,4, 8,9,8, 4,4,1, 18,5,1, 12,7,4, 13,10,2, 1,3,3, 18,( ),7 15,( ),12 6,( ),4 ( ),6,4 11,( ),18 16,( ),4 3,( ),10 0,( ),5 0,( ),8 ( ),1,0 10,( ),5 9,( ),8 0,( ),2 10,( ),3 ( ),3,7 ( ),( ),16 9,( ),9 ( ),11,4 5,( ),3 ( ),6,13 ( ),13,0