第6单元 百分数(一)-【优佳好】2023-2024学年六年级上册数学口算计算能力提升（人教版）

单元 6 　 第 1 课时　 百分数的意义和读、写 6 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　2 - 310 = 4 5 × 0. 25 = 7 12 ÷ 5 6 = 9 10 × 5 6 = 2 3 ÷ 5 8 = 11 9 - 1 4 = 3 7 ÷ 3 5 = 5 8 × 4 9 = 19 16 × 16 3 = 1 3 ÷ 5 8 = 3 10 ÷ 1 5 = 7 8 ÷ 3 4 = 7 12 × 3 5 = 12 5 ÷ 4 = 2 13 × 3 8 ÷ 9 4 = 1 6 + 5 6 × 1 5 = 11 15 ÷ 1 9 = 10 7 ÷ 7 5 = ( 7 18 + 5 24) × 72 = 5 8 × 9 ÷ 5 8 × 9 = 3 14 ÷ 2 7 = 9 20 ÷ 3 5 = 1 13 × 26 ÷ 2 5 = ( 1 2 + 1 4 ) × 8 = 4 9 ÷ 12 = 18 5 ÷ 9 10 = ( 2 3 - 2 5 ) × 3 5 = 5 12 × 8 15 × 9 8 = 45 × 59 = 3 4 ÷ 4 7 = 5 6 - ( 1 6 + 2 3 ) = 1 12 × (0. 75 - 3 4 ) = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8 17 ÷ 23 + 1 23 × 9 17 ( 3 4 - 2 3 ) ÷ 1 12 5 8 ÷ 7 16 ÷ 11 14 5 8 x = 5 32 x + 2 3 x =45 3 5 x - 1 4 x = 7 10 55 单元 6 　 第 2 课时　 求百分率 6 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　用百分数表示商。 20 ÷ 80 = 5 ÷ 25 = 12 ÷ 25 = 7 ÷ 28 = 20 ÷ 50 = 6 ÷ 25 = 80 ÷ 160 = 15 ÷ 6 = 9 ÷ 36 = 25 ÷ 40 = 24 ÷ 16 = 21 ÷ 30 = 21 ÷ 20 = 19 ÷ 5 = 8 ÷ 40 = 18 ÷ 50 = 30 ÷ 50 = 18 ÷ 200 = 24 ÷ 12 = 20 ÷ 16 = 4 ÷ 5 = 36 ÷ 50 = 9 ÷ 25 = 24 ÷ 32 = 15 ÷ 40 = 48 ÷ 120 = 12 ÷ 15 = 13 ÷ 20 = 3 ÷ 16 = 20 ÷ 100 = 30 ÷ 80 = 5 ÷ 8 = 70 ÷ 50 = 63 ÷ 40 = 80 ÷ 200 = 19 ÷ 50 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　35 64 ÷ ( 1 8 + 3 4 ) 5 13 ÷ 5 2 + 2 5 × 8 13 ( 11 18 - 1 4 + 1 6 ) ÷ 1 36 51 + 13 x =96 3 4 x ÷ 1 8 = 24 6 5 x +1. 5 × 4 = 16 65 单元 6 　 第 3 课时　 求一个数的百分之几是多少 6 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　20% ÷90% = 37 - 20% = 85% +125% = 30% +50% = 9 5 ×75% = 5 8 ÷ 25% = 95% ÷25% = 3 2 -40% = 80% × 34 = 96% +3 = 9. 8 ÷ 40% = 25% ÷ 1 5 = 30% × 512 = 3 4 - 50% = 140% - 3 4 = 120 × 30% = 16% ×50% = 60% + 15 = 18 ÷ 40% = 600 × 70% = 11 12 - 60% = 84% ÷7 = 1 - 20% = 5000 × 2% = 1 +25% = 75% - 14 = 40 ÷ 20% = 1 9 + 90% = 1 5 + 20% = 80% -15% = 20 ×20% = 50% ÷20% = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1 6 + 3 4 × 2 3 ÷ 200% ( 1 6 + 2 7 ) ÷ 4 21 + 60% 4 5 ÷ ( 5 8 - 50% ) ×62. 5% 80% x +20% x =4. 5