2016年苏教版小学四年级数学下册期末复习题

<div style="text-align: center;"><strong><font color="#ff0000">2016年苏教版小学四年级数学下册期末复习题</font></strong><br></div><div><br></div><div style="text-align: center;"><strong>《认数》复习</strong></div><br><span><strong>一、数位与计数单位</strong></span><br><br><span>1.万级的包含有( &nbsp;&nbsp;&nbsp;)、( &nbsp;&nbsp;&nbsp;)( &nbsp;&nbsp;&nbsp;)、( &nbsp;&nbsp;&nbsp;)四个数位;</span><br><br><span>2.亿级的计数单位有( &nbsp;&nbsp;&nbsp;)、( &nbsp;&nbsp;&nbsp;)、( &nbsp;&nbsp;&nbsp;)( &nbsp;&nbsp;&nbsp;)。</span><br><br><span>3.一个数从右边起,第五位是( &nbsp;&nbsp;&nbsp;)位,计数单位是( &nbsp;&nbsp;&nbsp;);第八位是( &nbsp;&nbsp;&nbsp;)位,计数单位是( &nbsp;&nbsp;&nbsp;) 。</span><br><br><span>4.在数位顺序表中,百万位的右边是( &nbsp;&nbsp;&nbsp;)位,亿位的左边是( &nbsp;&nbsp;&nbsp;&nbsp;)位,十万位右边一位的计数单位是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>5.最高位是千万位的数是一个( &nbsp;&nbsp;&nbsp;)位数,其中最大的一个数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),最小的一个数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span><strong>二、数的组成</strong></span><br><br><span>1.</span><span>10个一千万是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><br><br><span>一百万包含有( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)个万</span><br><br><span>2</span>.<span>78010060是由( &nbsp;)个千万、8个( &nbsp;&nbsp;&nbsp;)、( &nbsp;&nbsp;)个万、( &nbsp;&nbsp;)个十组成的。</span><br><br><span>3.3003003的最高位是( &nbsp;&nbsp;&nbsp;)位,左边的3表示( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),中间的3表示( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),右边的</span><span>3表示( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span><strong>三、写数与读数</strong></span><br><br><span>1.一个数由3个千万、4个十万、9个千、2个一组成,这个数写作( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><span>读作 ( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>2. 一亿五千零六十万四千写作( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),它是一个( &nbsp;)位数,它的最高位是( &nbsp;&nbsp;)位。</span><br><br><span>3.</span><span>比49999多1的数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><span>比49999多1万的数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>4.比最小的8位数少1的数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><span>比最大的5位数多1的数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>5.</span><span>用0,1,5,6,8组成符合要求的数。</span><br><br><span>① 组成的最大的五位数是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><br><br><span>② 组成最小的五位数是 &nbsp;( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>6.① 650000 读作( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><br><br><span>&nbsp; ② 80070000 读作( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><br><br><span>&nbsp; ③ 40800007 读作( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),</span><br><br><span>&nbsp; ④ 读“30900060”时,读( &nbsp;)个“零”。</span><br><br><span>7.</span><span>在85后面添( &nbsp;)个0,这个数是八千五百万。</span><br><br><span>8.</span><span>一百万一百万地数,数十次是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>9.写出下列各数。</span><br><br><span>① 九十万零七百 &nbsp; &nbsp;写作:( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>② 二亿三千五百万九千三百二十</span><br><br><span>写作:( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>③ 八千二百四十万一千零三 </span><br><br><span>写作:( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>④ 五亿零二千 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;写作:( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span><strong>四、数的改写。</strong></span><br><br><span>1.</span><span>把一个数改写成用“万”作单位的数,这个数与原数比( &nbsp;&nbsp;&nbsp;)。</span><br><br><span>2.</span><span>用“万”或“亿”作单位表示数。</span><br><br><span>① 153610000= ( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)万</span><br><br><span>② 4007000000=( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)万 </span><br><br><span>③ 27600000000=( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)亿</span><br><br><span>④ </span><span>36000000000=( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)亿</span><br><br><span>3.</span><span>省略“万”或“亿”后面的尾数,求近似数。</span><br><br><span>① 96481≈ </span><br><br><span>② 20567920000≈</span><br><br><span>③ 4018000000≈ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>④ 14980≈ </span><br><br><span>⑤ 4005400≈ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>⑥ 2760000000≈ &nbsp;</span><br><br><span><strong>五、比较大小 。</strong></span><br><br><span>1.782435 >78□435中,□里可以填( &nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>2.在方框里填上“>”或“<”。</span><br><br><span>① 520400 &nbsp; &nbsp; &nbsp;&nbsp;</span>□<span>&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>52万 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>② 最小的六位数 &nbsp;</span><span>&nbsp;</span>□<span>&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;100000 &nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>③ 39999+1 &nbsp; &nbsp; &nbsp;</span>□<span>&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>40000-1</span><br><br><span>④ 63082 &nbsp; &nbsp; &nbsp;&nbsp;</span>□<span>&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;</span><span>60832 &nbsp;&nbsp;</span><br><br><span>⑤ 49805089 &nbsp; &nbsp;&nbsp;</span>□<span>&nbsp;</span><span>&nbsp; &nbsp; &nbsp;</span><span>48790502 &nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>⑥ 最大的八位数 &nbsp;&nbsp;</span>□<span>&nbsp;&nbsp;&nbsp;</span><span>&nbsp; 9999万</span><br><br><span>3.</span><span>将下面各数按照从小到大的顺序排列。</span><br><br><span>①3500760 ②11302400 ③4002190 ④980998 ⑤3500670</span><br><br><span>( &nbsp;)<( &nbsp;)<( &nbsp;)<( &nbsp;)<( &nbsp;)</span><br><br><span>用序号排列数的大小</span><br><br><span><strong>六、近似数。</strong></span><br><br><span>1.</span><span>□中最大能填几?</span><br><br><span>4□400≈4万 </span><span style="mso-bidi-">填( &nbsp;&nbsp;) </span><span>39□000≈40万 </span><span style="mso-bidi-">填( &nbsp;&nbsp;)</span><span style="mso-bidi-"></span><br><br><span>35□860≈36万</span><span style="mso-bidi-">填( &nbsp;&nbsp;)</span><span style="mso-bidi-"></span><br><br><span>2.</span><span>用四舍五入法6□7890000≈6亿,□里可以填( &nbsp;&nbsp;&nbsp;),最大可以填( &nbsp;&nbsp;)。</span><br><br><span>3. 一个数的近似值是6万,那么这个数:</span><br><br><span>最大是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),最小是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>4.100粒大米大约重400克,一亿粒大米大约重</span><br><br><span>A、4000000克 &nbsp;&nbsp;B、400000千克 &nbsp;C、40吨 (  )</span><br><br><br><div style="text-align: center;"><strong>《平移 旋转 对称》复习</strong></div><br><span>1.从6:00到6:15,分针旋转了( &nbsp;&nbsp;&nbsp;)度。</span><br><br><span>2.从3:15到3:30,分针将会按( &nbsp;&nbsp;)时针方向旋</span><span>转( &nbsp;&nbsp;&nbsp;)°</span><br><br><span>3.指针从B开始,顺时针旋转90°到( &nbsp;&nbsp;&nbsp;&nbsp;)点</span><br><br><span>指针从B开始,逆时针旋转90°到( &nbsp;&nbsp;&nbsp;&nbsp;)点</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0601/201661184649.png?m=0.8174887913703013"><br><br><span>4.</span><span>下面的现象中是平移的画“△”,</span><br><br><span>是旋转的画“</span><span>□</span><span>”。</span><br><br><span>(1)</span><span>索道上运行的观光缆车。( &nbsp;&nbsp;&nbsp;&nbsp;) &nbsp;&nbsp;&nbsp;</span><br><br><span>(2)</span><span>推拉窗的移动。( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>(3)</span><span>钟面上的分针。( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>(4)</span><span>飞机的螺旋桨。( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>(5)</span><span>工作中的电风扇。( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>(6)</span><span>拉动抽屉。( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>5.① </span><span>等腰三角形有( &nbsp;&nbsp;&nbsp;&nbsp;)条对称轴。</span><br><br><span>② 等腰梯形有 &nbsp;( &nbsp;&nbsp;&nbsp;&nbsp;)条对称轴。</span><br><br><span>③ 等边三角形有( &nbsp;&nbsp;&nbsp;&nbsp;)条对称轴。</span><br><br><span>④ 圆有( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)条对称轴。</span><br><br><span>⑤ </span><span>长</span><span>方形有( &nbsp;&nbsp;&nbsp;)条对称轴,</span><br><br><span>正方形有( &nbsp;&nbsp;&nbsp;)条对称轴。</span><br><br><span>⑥ 平行四边形( &nbsp;&nbsp;)轴对称图形。(是或不是)</span><br><br><span>4.</span><span>如果一个图形沿着一条直线对折,两侧的图形能够完全重合,这样的图形就叫</span><span>( &nbsp;&nbsp;)</span><span>图形,那条直线就是( &nbsp;&nbsp;&nbsp;)。</span><br><br><span>5.</span><span>图形(1)向( )</span><span>平移</span><span>了( )格,</span><br><br><span>图形(2)向( )平移了( )格,</span><br><br><span>图形(3)向( )平移了( )格。</span><br><br><span>6.⑴ 把小亭子先向右平移8格,再向下平移4格。</span><br><br><span>⑵ 把梯形绕B点逆时针旋转90°。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0601/201661184754.png?m=0.5084658702279252"><br><br><span>⑶ 按要求画一画。</span><br><br><span>① 将长方形绕A点逆时针旋转90°。</span><br><br><span>② 将小旗围绕B点逆时针旋转90°。</span><br><br><span>③ 将平行四边形绕C点顺时针旋转90°。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0601/201661184856.png?m=0.19365658448153233"><br><br><br><div style="text-align: center;"><strong>《运算规律》复习</strong></div><br><span>1</span><span>.用字母表示加法交换律是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>);</span><br><br><span>用字母表示</span><span>加</span><span>法结合律是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>)</span><span>;</span><br><br><span>用字母表示</span><span>乘</span><span>法交换律是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>);</span><br><br><span>用字母表示</span><span>乘</span><span>法</span><span>结合</span><span>律是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>);</span><br><br><span>用字母表示乘法</span><span>分配</span><span>律是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>)</span><span>。</span><br><br><span>2</span><span>.一个长方形的长是</span><span>16</span><span>厘米,宽是</span><span>10</span><span>厘米,求这个长方形的面积可以列式为(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span>),还可以列式为(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>),面积都等于(</span><span>&nbsp;&nbsp; </span><span>&nbsp;</span><span>)平方厘米。</span><br><br><span>3.</span><span>在计算32+45+55时,可以加法结合律,先算(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; )。</span><br><br><span>4.</span><span>125×7×8=7×</span><span>(</span><span>125×8</span><span>)</span><span>这是运用了</span><span>( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>5.</span><span>m+n=n+m 运用了</span><span>( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>律</span><br><br><span>6</span>.<span>78+43+22</span><span>=</span><span>(</span><span>&nbsp;</span>□<span>&nbsp;</span><span>+</span><span>&nbsp;</span>□<span>&nbsp;</span><span>)+</span>□<span>&nbsp;. </span><span>&nbsp;</span><br><br><span>7.</span><span>146-98 </span><span>=</span><span>&nbsp;146-</span><span>&nbsp;</span>□<span>&nbsp;</span><span>+</span><span>&nbsp;</span>□<span>&nbsp;</span><span>&nbsp;</span><br><br><span>8</span>.<span>在方框内填数字,在圆圈内填计算符号。</span><br><br><span>451-51-49</span><span>=451 ○ (&nbsp;</span>□○□<span>&nbsp;) </span><br><br><span>9.</span><span>根据运算律在下面的</span><span>方框内</span><span>填上合适的数。</span><span>&nbsp;</span><br><br><span>&nbsp;</span><span>⑴</span><span>&nbsp;</span><span>25+</span>□<span>&nbsp;=</span><span>38&nbsp;</span><span>+</span><span>&nbsp;</span>□<span>&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><br><br><span>&nbsp;⑵&nbsp;</span>□<span>&nbsp;</span><span>×35 =&nbsp;</span>□&nbsp;<span>×96</span><br><br><span>&nbsp;</span><span>⑶</span><span>&nbsp;118+159+182=(</span>□<span>&nbsp;</span><span>+</span><span>&nbsp;</span>□<span>)+159&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><br><br><span>&nbsp;⑷ </span><span>46×25×4 = 46×(</span>□<span>&nbsp;×</span><span>&nbsp;</span>□<span>)</span><br><br><span>10.下列运算能否用简便方法计算,如果能用简便方法计算的,写出计算的第一步。</span><br><br><span>① </span><span>102</span><span>×</span><span>73</span><span>-</span><span>2</span><span>×</span><span>73</span><span>&nbsp;&nbsp;</span><br><br><span>第一步:</span><br><br><span>②&nbsp;</span><span>32</span><span>×</span><span>102</span><br><br><span>第一步:</span><br><br><span>③&nbsp;</span><span>25×44</span><br><br><span>第一步:</span><br><br><span>④&nbsp;</span><span>4×9×25</span><br><br><span>第一步:</span><br><br><span>⑤&nbsp;</span><span>35×98</span><br><br><span>第一步:</span><br><br><span>⑥ &nbsp;</span><span>25×32×125</span><br><br><span>第一步:</span><br><br><span>⑦&nbsp;</span><span>210÷6÷5</span><br><br><span>第一步:</span><br><br><span>⑧ &nbsp;360÷45</span><br><br><span>第一步:</span><br><br><span>⑧&nbsp;</span><span>360×52+480×36</span><br><br><span>第一步:</span><br><br><span>⑩</span><span>999×8+111×28</span><div><span><br></span></div><div><span>第一步:</span><br><br><span><br></span></div><div style="text-align: center;"><strong>《三角形、四边形》复习</strong></div><div><br><span>1. 现有三种小棒,3cm、6cm、9cm,选一根6cm的小棒和两根( &nbsp;&nbsp;&nbsp;)厘米的小棒可以围城一个等腰三角形。</span><br><br><span>2. 在括号里填上“可能”“不可能”或“一定”。</span><span>&nbsp;</span><br><br><span>① 三角形有一个角是锐角,它( &nbsp;&nbsp;)是锐角三角形;</span><br><br><span>② 有一个角是直角,它( &nbsp;&nbsp;&nbsp;)是直角三角形;</span><br><br><span>③ 有一个角是钝角,它( &nbsp;&nbsp;)是直角三角形。</span><br><br><span>3. 一个三角形既是等腰三角形,又是直角三角形,那么它的底角是( &nbsp;&nbsp;)度。</span><br><br><span>4. 将两个相同的三角形拼成一个大三角形,这个三角形的内角和是( &nbsp;&nbsp;)度。任意四边形的内角和都是(  )度。</span><br><br><span>5. 平行四边形有( &nbsp;&nbsp;)组对边互相平行;只有一组对边互相平行的图形是( &nbsp;&nbsp;&nbsp;)。</span><br><br><span>6. 一个梯形上底4厘米,下底6厘米。如果将上底延长2厘米,则这个梯形变成一个( &nbsp;&nbsp;&nbsp;&nbsp;)形;如果将上底缩短4厘米,则这个梯形变成一个( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)形。</span><br><br><span>7. 一个三角形的一个内角的读数是10</span><span>8°,这个三角形按角分是( &nbsp;&nbsp;&nbsp;</span><span>)</span><span>三角形。一个三角形三条边的长度分别是7厘米、8厘米、7厘米,这个三角形按边分是( &nbsp;&nbsp;&nbsp;&nbsp;)三角形。</span><br><br><span>8.( &nbsp; &nbsp; &nbsp;)是等腰梯形,等腰梯形</span><span>的两个底角( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>9. 一个三角形每条边的长都是整厘米数。如果它的两条边分别长8厘米和5厘米,那么这个三角形的第三条边最短是( &nbsp;&nbsp;&nbsp;)厘米,最长是( &nbsp;&nbsp;)厘米。</span><br><br><span>10. 一个等腰三角形的顶角是80°,它的一个底角是( &nbsp;&nbsp;&nbsp;);如果等腰三角形的一个底角是40°,那</span><span>么它的顶角是( &nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>11. </span><span>一个平行四边形的周长是38厘米,其中一条边是9厘米,另外三条边长分别是( &nbsp;&nbsp;)厘米、( &nbsp;&nbsp;)厘米、( &nbsp;&nbsp;)厘米。</span><br><br><span>12. </span><span>(  &nbsp; )和(  &nbsp; )都是特殊的平行四边形。</span><br><br><span>13.① </span><span>两个完全一样的直角梯形,可以拼成一个(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;)</span><span>形;</span><br><br><span>② 两个完全一样的直角梯形,可以拼成一个(</span><span>&nbsp;&nbsp;</span><span>&nbsp;</span><span>&nbsp;&nbsp;&nbsp;</span><span>)形,也可拼成一个(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;</span><span>&nbsp;</span><span>)形。</span><br><br><span>14.一个三角形,它的顶角是底角的2倍,顶角是( &nbsp;&nbsp;&nbsp;)度,底角是( &nbsp;&nbsp;&nbsp;&nbsp;)度,按角来分类它属于( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)三角形。</span><span>三角形具有( &nbsp;&nbsp;)性的特点,平行四边形却有容易( &nbsp;&nbsp;&nbsp;)。从平行四边形的一个顶点画对边的高,可以画( &nbsp;&nbsp;&nbsp;)条。</span><br><br><br><div style="text-align: center;"><strong>《综合类》复习</strong></div><br><span>1.</span><span>52</span><span>×403的积是( &nbsp;)位数,大约是( &nbsp;&nbsp;&nbsp;);三位数乘连位数,积可能是( &nbsp;)位数或( &nbsp;)位数。</span><br><br><span>2.估算506×68时,可以把506看做( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),68看做( &nbsp;&nbsp;&nbsp;&nbsp;),估算的结果约是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;),与实际结果相差( &nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>3.①</span><span>850×25的积是( &nbsp;&nbsp;&nbsp;&nbsp;)位数。</span><br><br><span>25×400积的末尾一共有( &nbsp;&nbsp;&nbsp;</span><span>)</span><span>个0。</span><br><br><span>②</span><span>最大的两位数与最小的三位数的积是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>4.</span><span>一个因数扩大10倍,要使积不变,另一个因数应该( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><span>一个乘数扩大10倍,另一个乘数也扩</span><span>大10倍,积就扩大( &nbsp;&nbsp;&nbsp;&nbsp;)倍。</span><br><br><span>5.</span><span>①</span><span>根据25</span><span>×4=100,直接写出下面算式的得数。</span><br><br><span>25×8=( &nbsp;&nbsp;) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;25×12=( &nbsp;&nbsp;) &nbsp;</span><br><br><span>250×40=( &nbsp;&nbsp;&nbsp;) &nbsp;&nbsp;25×24=( &nbsp;&nbsp;&nbsp;)</span><br><br><span>②两个数的积是450,一个乘数扩大100倍,另一个乘数不变,现在的积是( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>③根据28×32=896,直接写出下面各题的得数;</span><br><br><span>(28×4)×(32÷4)= &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span>(28×10)×(32×10)=</span><br><br><span>6.</span><span>旋转后的图形,位置改变,形状和大小( &nbsp;&nbsp;)。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2016/0601/201661201028.png?m=0.46030189340780336"><br><br><span>7.</span><span>飞机每小时飞行960千米,每小时960千米可以写</span><span>成( &nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>8.</span><span>小明在教室里的位置是(3,5),他同桌的位置用数对表示为( &nbsp;, );小芳的位置(5,3),她坐在教室的第( &nbsp;)列,第( &nbsp;)排。</span><br><br><span>9.</span><span>一个表演方阵,每排7人,有7行,最外层有(   )人。</span><br><br><span>10.王强是四(3)班的学生,学号是6,他的胸牌号是20100306,李刚的胸牌号是20080215,他是(  )年级(  )班的学生,学号是(  &nbsp;&nbsp; )</span><br><br><span>12.小明和小敏一共有38枚邮票,小敏比小明少4枚,小明有( &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)枚</span><br><br><span>11.季老师的身份证号码是320925197307216117,他是( &nbsp;&nbsp;)性,他是( &nbsp;&nbsp;)月出生的,他今年( &nbsp;&nbsp;)周岁。</span><br><br><span>12.①</span><span>三个等边三角形组成右边的图形。图中的∠1 是( &nbsp;&nbsp;) ;沿着三角形的边从 A 点走到 B 点(不往回走),路程最长是( &nbsp;&nbsp;)米,最短是( &nbsp;&nbsp;)米。</span><br><br><span>②一块长方形草地,长35米。如果把长减少5米,剩下部分的形状就变成了正方形。这块草地原来的面积是( &nbsp;&nbsp;&nbsp;)平方米。</span><br><br></div>