<div>一、直接写出得数。（12%）</div><div><br></div><div>8×20= &nbsp; &nbsp; &nbsp; &nbsp; 90×5= &nbsp; &nbsp; &nbsp; &nbsp; 540＋27= &nbsp; &nbsp; &nbsp; &nbsp; 560＋72=</div><div><br></div><div>27×3= &nbsp; &nbsp; &nbsp; &nbsp; 45×6= &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 14×7= &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;104×7=</div><div><br></div><div>180÷3= &nbsp; &nbsp; &nbsp; &nbsp;84÷2= &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;640÷8= &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;105÷5=</div><div><br></div><div><br></div><div>二、估算下列各式的结果。（16%）</div><div><br></div><div>609÷6≈ &nbsp; &nbsp; &nbsp; &nbsp; 797÷8≈ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;178÷6≈ &nbsp; &nbsp; &nbsp; &nbsp; 651÷5≈</div><div><br></div><div>609×6≈ &nbsp; &nbsp; &nbsp; &nbsp; 797×8≈ &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;148×6≈ &nbsp; &nbsp; &nbsp; &nbsp; 481×5≈</div><div><br></div><div><br></div><div>三、在括号内填上合适的数，使等式成立。（12%）</div><div><br></div><div>84×8=640+（ &nbsp; &nbsp; &nbsp;） &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 45×7=（ &nbsp; &nbsp; &nbsp;）+35</div><div>&nbsp;&nbsp; &nbsp; =（ &nbsp; &nbsp; &nbsp;） &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=（ &nbsp; &nbsp; &nbsp;）</div><div><br></div><div>68×7=490－（ &nbsp; &nbsp; &nbsp;） &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;79×9=720－（ &nbsp; &nbsp; &nbsp;）</div><div>&nbsp;&nbsp; &nbsp; =（ &nbsp; &nbsp; &nbsp;） &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=（ &nbsp; &nbsp; &nbsp;）</div><div><br></div><div>806÷2=400+（ &nbsp; &nbsp; &nbsp;） &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;864÷8=（ &nbsp; &nbsp; &nbsp;）+8</div><div>&nbsp;&nbsp; &nbsp; &nbsp;=（ &nbsp; &nbsp; &nbsp;） &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=（ &nbsp; &nbsp; &nbsp;）</div><div><br></div><div><br></div><div>四、不计算，判断下列各式的结果是几位数。（6%）</div><div><br></div><div>989+208（ &nbsp; &nbsp;）位数 &nbsp; &nbsp; &nbsp; 285×3（ &nbsp; &nbsp;）位数 &nbsp; &nbsp;109×9（ &nbsp; &nbsp;）位数</div><div><br></div><div>1205-780（ &nbsp; &nbsp;）位数 &nbsp; &nbsp; &nbsp;285÷3（ &nbsp; &nbsp;）位数 &nbsp; &nbsp;818÷8（ &nbsp; &nbsp;）位数</div><div><br></div><div><br></div><div><br></div><div><strong>点击此处下载：</strong><a href="//www.szxuexiao.com/down.asp?fileurl=201111_562709_554416122" target="_blank">2011年最新浙教版新思维小学数学三年级上学期中自我检测试卷</a><br></div><div><br></div><div><br></div>