算数演習/小学校6年生

初等数学演習＞算数演習　小学校6年生

---

分数のかけ算・わり算

次の計算をしてみましょう。

(1)

${\frac {1}{5}}\times 3$

(2)

${\frac {2}{3}}\times 4$

(3)

${\frac {2}{7}}\times 4$

(4)

${\frac {2}{9}}\times 5$

(5)

${\frac {5}{6}}\times 7$

(6)

${\frac {3}{8}}\times 4$

(7)

${\frac {4}{9}}\times 3$

(8)

${\frac {7}{6}}\times 3$

(9)

${\frac {3}{8}}\times 12$

(10)

${\frac {5}{7}}\times 21$

(11)

${\frac {4}{5}}\div 3$

(12)

${\frac {2}{5}}\div 5$

(13)

${\frac {3}{4}}\div 8$

(14)

${\frac {7}{8}}\div 4$

(15)

${\frac {5}{6}}\div 2$

(16)

${\frac {4}{5}}\div 2$

(17)

${\frac {5}{6}}\div 10$

(18)

${\frac {3}{2}}\div 6$

(19)

${\frac {4}{3}}\div 8$

(20)

${\frac {9}{4}}\div 6$

分数のかけ算

次の計算をしましょう。

(1)

${\frac {7}{8}}\times {\frac {3}{4}}$

(2)

${\frac {4}{5}}\times {\frac {2}{7}}$

(3)

${\frac {5}{6}}\times {\frac {5}{3}}$

(4)

${\frac {4}{9}}\times {\frac {4}{3}}$

(5)

${\frac {7}{4}}\times {\frac {3}{5}}$

(6)

${\frac {7}{9}}\times {\frac {5}{8}}$

(7)

${\frac {3}{5}}\times {\frac {1}{7}}$

(8)

${\frac {5}{8}}\times {\frac {5}{6}}$

(9)

${\frac {3}{7}}\times {\frac {2}{5}}$

(10)

${\frac {6}{7}}\times {\frac {1}{4}}$

(11)

${\frac {3}{14}}\times {\frac {7}{5}}$

(12)

${\frac {3}{8}}\times {\frac {7}{12}}$

(13)

${\frac {8}{9}}\times {\frac {3}{7}}$

(14)

${\frac {3}{2}}\times {\frac {4}{9}}$

(15)

${\frac {5}{12}}\times {\frac {9}{10}}$

(16)

${\frac {5}{9}}\times {\frac {3}{5}}$

(17)

$5\times {\frac {3}{8}}$

(18)

$3\times {\frac {2}{7}}$

(19)

$12\times {\frac {10}{9}}$

(20)

$10\times {\frac {4}{5}}$

分数のわり算

次の計算をしましょう。

(1)

${\frac {5}{8}}\div {\frac {6}{7}}$

(2)

${\frac {3}{5}}\div {\frac {5}{6}}$

(3)

${\frac {8}{9}}\div {\frac {5}{4}}$

(4)

${\frac {1}{7}}\div {\frac {6}{5}}$

(5)

${\frac {5}{4}}\div {\frac {8}{7}}$

(6)

${\frac {3}{2}}\div {\frac {1}{3}}$

(7)

${\frac {2}{9}}\div {\frac {3}{8}}$

(8)

${\frac {6}{7}}\div {\frac {3}{5}}$

(9)

${\frac {9}{10}}\div {\frac {7}{5}}$

(10)

${\frac {2}{7}}\div {\frac {4}{9}}$

(11)

${\frac {12}{5}}\div {\frac {8}{15}}$

(12)

${\frac {3}{8}}\div {\frac {9}{14}}$

(13)

${\frac {2}{3}}\div {\frac {8}{9}}$

(14)

$6\div {\frac {5}{7}}$

(15)

$15\div {\frac {10}{7}}$

(16)

$4\div {\frac {2}{9}}$

(17)

${\frac {2}{3}}\times {\frac {1}{6}}\div {\frac {7}{9}}$

(18)

${\frac {3}{4}}\div {\frac {6}{5}}\times {\frac {1}{5}}$

(19)

${\frac {16}{7}}\div 9\times {\frac {3}{8}}$

(20)

${\frac {2}{9}}\div {\frac {4}{7}}\div {\frac {5}{6}}$

---

答え