三、长方体和正方体-【黄冈小状元】2023-2024学年五年级下册数学口算速算练习册（人教版）

口算速算练习册 五年级数学下(R) 三、长方体和正方体 1.长方体和正方体的认识 长方体 3.5+4.3+2.7= 11.5×4= 80÷4-16= 7.5+12+2.5= 22×4= 600÷4-120= 2.4+2.5+2.6= 7.5×4= 100÷4-23= 20+3.8+6.2= 30×4= 12÷4-0.5= 5.7+2.3+1.7= 9.7×4= 20÷4-3.6= 3.5+1.5+0.7= 5.7×4= 6÷4-0.7= 4.6+5.8+4.2= 14.6×4= 40÷4-5.3= 0.7+2.5+1.3= 4.5×4= 16÷4-2.5= 9+5.8+2.2= 18×4= 10÷4-1.5= 12.5+16+7.5= 36×4= 6.4÷4-0.9= 7.1+3.2+2.9= 1.9×4= 48÷4-10= 13+5.5+4.5= 33×4= 8.4÷4-1.6= 4.3+15+2.7= 27×4= 5.2÷4-0.7= 5.6+3.4+0.9= 5.5×4= 24÷4-3.5= 3.8+2.2+11= 12.2×4= 56÷4-9= 12 日因月累长方体棱长和=（长+宽+高）×4 三、长方体和正方体 1.长方体和正方体的认识 正方体 1.5×12= 6÷12= (2.3+1.3)÷12= 3×12= 72÷12= (68-8)÷12= 25×12= 0.36÷12= (23-11)÷12= 0.3×12= 360÷12= (4+3)×12= 1.3×6= 4.2÷6= (1.2+1.2)÷12= 0.3×6= 0.24÷6= (13.2-6.2)×6= 15×6= 480÷12= (5.6+4.4)×4= 13×8= 560÷8= (13+27)×6= 50×6= 4.8÷12= (14+34)÷6= 4.1×6= 600÷12= (38-14)÷4= 1.2×6= 84÷6= (3.3+2.7)÷6= 4×12= 9.6÷8= (12+11)×6= 0.5×12= 240÷12= (1.1+1.4)×4= 6×12= 4÷8= (2.5+1.1)÷12= 4.2×6= 33.6÷8= (5+4)×12= 日积月累 正方体是长、宽、高都相等的长方体（特殊的长方体）。 13 口算速算练习册 五年级数学下(R) 2.长方体和正方体的表面积 (1) 0.7×0.3×2= (4.6+7.4)×2= 4×6+5= 0.4×0.5×4= (4.5×2)×2= 0.3×4+0.8= 50×40×2= (27+43)×2= 8×4+2= 40×0.6×2= (2.5×2)×2= 1.5×4+2.6= 3.5×4×2= (16+24)×6= 2.5×4+1.5= 50×2.5×4= 20×3×4= 10×4+5= 0.7×0.4×2= (20-11.5)×2= 60×4+40= 16×0.5×2= (16+2)×4= 16×4+2= 10×11×4= (10+11)×4= 3.5×4+6= 2.4×5×2= (12+13)×4= 1.25×4+3= 9×0.5×2= (3.5×2)×2= 7.5×4+8= 0.6×0.8×2= (17-13.5)×2= 25×4十12= 20×1.2×2= (11+14)×4= 20×4+30= 1.2×5×4= (10-2.5)×2= 1.2×4+3= 20×20×4= (55+35)×2= 6.1×4+5= ·14日积月累 长方体的表面积=（上面面积十前面面积十侧面面积）X2 =(长×宽十长×高十宽×高)×2 三、长方体和正方体 2.长方体和正方体的表面积 (2) 22×6= 5×6+2×4= 12×10×4= 3×3×6= 3×5+10×7= 7.5×2×4= 202×6= 2×7+3×5= 17+8+6= 0.4×0.4×6= 9×8+3×2= 9×10+7×2= 60×60×6= 8×5+6×7= 32×6= 92×6= 10×8+5×6= 307×2+100= 102×6= 7×9+30×4= 79+11+60= 12×6= 2×5+7×5= 7.1×5+30= 2×2×6= 24×2+5×8= 61×40= 52×6= 4×7+5×6= 380×2+40= 42×6= 9×5+3×7= 1.5×20+10= 62×6= 6×8+3×8= 85+15+30= 72X6= 5×6+4×3= 101×3+200= 82×6= 6×10+7×2= 25×3×4= 92×6= 7×8+8×5= 12×5+50= 日积月累 一个长方体最多有6个面是长方形，最少有4个面是长方形，最多有2个面是 15 正方形。 口算速算练习册 五年级数学下(R) 3.长方体和正方体的体积 体积和体积单位(1