第一单元 扇形统计图-【优佳好】2023-2024学年六年级下册数学口算计算能力提升（苏教版）

单元一 　 第 1 课时　 扇形统计图 6 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　200 × 16% = 5 ×40% = 42 × 20% = 2. 2 - 28% = 10 × 40% = 14% +0. 1 = 37 × 2 21 = 0. 4 × 60% = 1 5 + 1 4 = 30 ÷ 15% = 21 × 30% = 0. 25 ÷ 4% = 44% ÷0. 4 = 3. 3 + 70% = 2. 2 - 110% = 50 × 20% = 12 × 40% = 55% ÷5% = 27 + 2 21 = 1 - 12. 4% = 4 9 ÷ 8 9 = 120% ×2 = 100 × 6% = 600 × 2% = 12. 4 ÷ 40% = 4. 2 - 12% = 3. 5 ÷ 7% = 8. 2 ÷ 20% = 1. 8 × 56 = 1 + 47% = 450 × 20% = 6 ÷ 1 3 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　24 × ( 56 + 3 4 ) 48 ÷ 5 3 + 52 × 3 5 13 16 ÷ 13 14 × 7 12 40% x =16 x -80% =2. 4 70 + 50% x =95 1 单元一 　 第 2 课时　 合理选择统计图 6 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　20 7 × 35% = 110% ×0. 5 = 1 5 × 82. 5% = 27% × 20 27 = 20% + 58 = 20. 4% -15. 4% = 3. 7 ÷ 74% = 7 10 × 62. 5% = 1 6 × 70% = 30% ÷ 7 10 = 73% +2. 7 = 2. 5% ×60 = 5 7 × 45% = 50% ÷ 5 6 = 93. 3% ÷ 3 10 = 200 × 25% = 220% × 120 = 64% ÷ 8 5 = 6 7 × 21% = 8 25 + 2. 8% = 2. 5% × 35 = 3 2 - 62. 5% = 60% + 2 3 = 57% × 5 19 = 32 × 0. 2% = 320 × 20% = 45% +0. 4 = 50% -10% = 12 × 80% = 0. 25 × 15 = 1. 8 ÷ 0. 2 = 56 ÷ 7 8 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1 - 514 ÷ 5 7 ( 2 3 + 2 9 ) ÷ 20 21 8 15 - ( 4 5 - 3 10) 20 + 80% x =65 20 - 20% x =18 (1 + 40% )x =35 2 单元一 　 第 3 课时　 练习一 6 年级 下 S 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　23 10 + 78% = 1 3 + 1 2 = 20 ÷ 40% = 1 3 × 33 5 = 7 50 + 30% = 0. 37 + 173% = 1 3 - 1 4 = 87. 5% ÷ 7 16 = 36% + 25 = 7 36 ÷ 11 12 = 3 5 + 40% = 11 12 × 5 44 = 300% - 52 = 49 ÷ 7 9 = 4 7 - 2 9 = 150% - 3 4 = 5 9 ÷ 10% = 8. 2 - 62% = 5 33 × 11 12 = 81% ÷27% = 3. 33 ÷ 90% = 78 ÷ 7 = 16 × 5 8 = 7 12 × 1 2 = 600 × 5% = 480 ÷ 60% = 56 × 1 3 = 8 9 ÷ 3 4 = 5 8 ÷ 15 = 3 8 × 1 3 = 3. 14 × 20 = 36 × 4 9 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　4 5 × 10 3 + 4 5 × 5 3 3 4 - 1 5 + 6 7 8 15 × 3 4 - 1 6 ÷ 1 2 40% x =144 40% x +25% x =169 x -25% x =3 3 单元一 　 第一单元计算易错专练 6 年级 下 S 1. 直接写出得数。