第8单元 数学广角——数与形-【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 8 　 第 1 课时　 数与形 6 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1 6 ÷ 4 = 1. 4 ÷ 7 10 = 1 3 ÷ 2 9 = 120 ÷ 60% = 7 9 ÷ 1 3 = 20 33 ÷ 3 11 = 4 5 × 7 8 = 5 7 × 14 15 = 80 ÷ 87 = 15 16 ÷ 2 3 = 3 10 ÷ 9 40 = 6 11 ÷ 9 5 = 8 9 ÷ 4 7 = 3 8 ÷ 8 9 = 5 4 × 12 5 = 6 7 ÷ 18 = 3 16 × 4 15 = 18 ÷ 2 11 = 75% ×8 = 2 9 ÷ 4 5 = 2. 1 × 20% = 13 × 5 8 = 5 4 ÷ 3 10 = 45% +20% = 3 7 × 3 5 = 400 × 18% = 10 × 4 5 = 50% - 1 3 = 4. 2 ÷ 60% = 9 ÷ 37 = 3 7 ÷ 2 21 = 26 ÷ 13 15 = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　1 5 × 5 + 5 + 1 8 × 8 11 9 × 5 22 × 2 3 - 1 9 ( 1 6 + 7 15) ÷ 2 5 + 7 12 7 8 - 3x = 5 16 20 - 8% x =12 5x -3 × 7 10 = 7 5 76 单元 8 　 第 2 课时　 练习课 6 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　3 26 × 52% = 1 7 × 49% = 100 × 4 25 = 26 ÷ 13% = 1 -75% = 712 ÷ 4 9 = 8 9 ÷ 7 12 = 4 15 × 5 7 = 2 3 ÷ 1 4 = 6 7 ÷ 18 = 10 ÷ 1% = 7 8 × 16 = 1 4 × 80% = 3. 2 × 5 8 = 4 9 ÷ 7 9 = 5 9 ÷ 4 15 = 9 ÷ 3% = 712 × 8 9 = 1 4 ÷ 80% = 3 5 ÷ 9 2 = 34 ÷ 2% = 25 ÷ 2 5 = 90% × 2 3 = 5 21 × 7 15 = 8 9 × 15 4 = 3 5 ÷ 4 7 = 4 9 ÷ 5 6 = 5 11 × 1 8 = 3 4 × 6 7 = 4 15 ÷ 4 5 = 5 × 40% = 3 4 ÷ 75% = 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　25 16 - 9 17 × 1 3 - 14 17 10 ÷ ( 1 2 - 2 5 + 1 10) (2 - 2% ×80) ÷ 3 8 3 5 x = 9 25 5 8 ÷ x = 5 3 13 6 - 1 2 x = 23 12 86 单元 8 　 第 8 单元计算易错专练 6 年级 上 R 1. 直接写出得数。 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　43% +67% = 20. 3 - 5. 6 = 4. 72 + 1. 5 = 58 × 4 7 = 3 19 × 20 21 = 2. 1 × 40% = 60% ÷15% = 2 3 ÷ 4 9 = 750 × 3% = 1311 ÷ 11 13 = 48% × 1 12 = 200 × 70% = 16 25 × 15 34 = 0. 25 × 40% = 112% ÷8 = 8. 8 × 7% = 100 ÷ 10% = 1910 ÷ 100% = 80% × 3 8 = 4. 2 - 2 = 9% ×4. 5 = 20% ×2. 7 = 9. 8 - 125% = 56 ÷ 4% = 3. 14 × 202 = 5. 5 + 2. 17 = 12. 5% ×0. 6 = 30% ÷6 = 14 - 119 = 10% ÷0. 25 = 44% ÷4% = 22 × 7 44 = 2. 脱式计算,能简算的要简算。 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　( 512 + 1 4 - 1 16) × 48 ( 5 16 + 1 4 ) ÷ 3 8 - 2 5 3 4 × 7 13 + 7 13 ÷ 4 3. 解方程。 2 3 x ÷ 1 4 = 12 1 8 x + 5 6 x =4