淮安市流均镇中心小学2013—2014学年度第一学期四年级数学期中测试卷.doc

淮安市流均镇中心小学2013—2014学年度第一学期四年级数学期中测试卷
County continuation records has examined and approved the draft, spirit, b
County continuation records has examined and approved the draft, spirit, believe, comprehensive Yearbook of zhuanglang already prepared draft, entered the phase of evaluation. Civil air defense work
（三）脱式计算（2×6=12分）
4000÷125÷8 376－18×19 752－52＋48

375－（158－81） 16×8÷16×8 480÷32－11


（四）文字游戏（2×2=4分）
①380是53与34的差的多少倍？ ②1880减去1080除以60的商，差是多少
五、操作题
（1）用一副三角板画出105°的角。（2分）（2）
①以B为顶点，BA为的一条边画出一个45度的角。另一边为BC。
②过A点作BC的平行线。
③过A点作BC的垂线。（3分）


（2）如下图，已知∠1=30°，求∠2、∠3、∠4的度数（3分）

六、探索题（ 1×2=2分）
County continuation records has examined and approved the draft, spirit, believe, comprehensive Yearbook of zhuanglang already prepared draft, entered the phase of evaluation. Civil air defense work
County continuation records has examined and approved the draft, spirit, believe, comprehensive Yearbook of zhuanglang already prepared draft, entered the phase of evaluation. Civil air defense work
County continuation records has examined and approved the draft, spirit, believe, comprehensive Yearbook of zhuanglang already prepared draft, entered the phase of evaluation