口算速算模型題目及答案

單項(xiàng)選擇題(每題2分,共10題)1.計(jì)算\(12×3=\)(）A.26B.36C.46答案:B2.\(56÷7=\)()A.7B.8C.9答案:B3.\(9×8=\)()A.72B.62C.82答案:A4.\(24+18=\)()A.32B.42C.52答案:B5.\(35-17=\)()A.18B.28C.12答案:A6.\(4×11=\)()A.44B.54C.34答案:A7.\(63÷9=\)()A.6B.7C.8答案:B8.\(15×2=\)()A.20B.30C.40答案:B9.\(32-15=\)()A.17B.27C.12答案:A10.\(7×6=\)()A.42B.32C.52答案:A多項(xiàng)選擇題(每題2分,共10題)1.下列哪些算式結(jié)果是24(）A.\(3×8\)B.\(4×6\)C.\(12×2\)答案:ABC2.下面計(jì)算正確的是()A.\(10+15=25\)B.\(20-8=12\)C.\(5×5=25\)答案:ABC3.屬于乘法運(yùn)算的是()A.\(2×3\)B.\(18÷3\)C.\(4+4+4\)答案:AC4.9的倍數(shù)有()A.9B.18C.27答案:ABC5.下面減法正確的是()A.\(25-10=15\)B.\(30-12=18\)C.\(16-7=9\)答案:ABC6.加法運(yùn)算正確的是()A.\(5+8=13\)B.\(12+13=25\)C.\(9+9=18\)答案:ABC7.結(jié)果為36的算式有()A.\(6×6\)B.\(4×9\)C.\(12×3\)答案:ABC8.除法運(yùn)算正確的是()A.\(12÷3=4\)B.\(18÷2=9\)C.\(20÷5=4\)答案:ABC9.15的因數(shù)有()A.1B.3C.5答案:ABC10.下面乘法正確的是()A.\(3×5=15\)B.\(7×4=28\)C.\(8×3=24\)答案:ABC判斷題(每題2分,共10題)1.\(10×0=0\)()答案:√2.\(5+5=5×2\)()答案:√3.\(24÷4=5\)()答案:×4.\(9+9=9×2\)()答案:√5.\(16÷2=8\)()答案:√6.\(3×4=10\)()答案:×7.\(20-5=15\)()答案:√8.\(12÷6=2\)()答案:√9.\(7×3=20\)()答案:×10.\(8+8=8×1\)()答案:×簡(jiǎn)答題(每題5分,共4題)1.計(jì)算\(15+23-10\)。答案:\(15+23=38\),\(38-10=28\)2.計(jì)算\(24÷3×2\)。答案:\(24÷3=8\),\(8×2=16\)3.計(jì)算\(9×(5-2)\)。答案:\(5-2=3\),\(9×3=27\)4.計(jì)算\((12+18)÷5\)。答案:\(12+18=30\),\(30÷5=6\)討論題(每題5分,共4題)1.討論口算速算中加法的簡(jiǎn)便方法有哪些?答案：可湊整,如28+12=40；利用加法交換律和結(jié)合律,如(32+18)+20=702.討論乘法口算中如何利用乘法口訣?答案：乘法口訣是基礎(chǔ),如7×8想七八五十六；兩位數(shù)乘一位數(shù)拆分為整十和個(gè)位數(shù)分別乘再相加,如13×2=263.討論除法口算中試商的方法?