子供達と一緒に作ってみました。
もし、答えが間違っていたら教えてください
| ①かけ算 | ②わり算 | ||
| (1) | 7,694,731,500 | (1) | 52,041 |
| (2) | 0.026 | (2) | 89.374 |
| (3) | 412.534 | (3) | 90,625 |
| (4) | 288,526.439 | (4) | 261.453 |
| (5) | 4,521,045,088.2 | (5) | 6,715.8 |
| (6) | 13,707,884,630 | (6) | 78,302 |
| (7) | 64,630 | (7) | 4,297 |
| (8) | 17,560,400 | (8) | 31,950 |
| (9) | 76,730,902,337 | (9) | 83,679 |
| (10) | 1,008,223 | (10) | 10,846 |
| ③みとり算 | ⑥みとり暗算 | ||
| (1) | 54,562,638,204 | (1) | 5,267,944 |
| (2) | 47,344,984,910 | (2) | 2,297,843 |
| (3) | 8,000,013,733 | (3) | 5,209,856 |
| (4) | 58,685,011,534 | (4) | -447,917 |
| (5) | 14,683,683,629 | (5) | 5,767,236 |
| ④かけ暗算 | ⑤わり暗算 | ||
| (1) | 70,956 | (1) | 304 |
| (2) | 94,640 | (2) | 83 |
| (3) | 323,189 | (3) | 518 |
| (4) | 58,695 | (4) | 759 |
| (5) | 452,640 | (5) | 197 |
| (6) | 821,792 | (6) | 425 |
| (7) | 209,535 | (7) | 3,672 |
| (8) | 155,124 | (8) | 241 |
| (9) | 259,074 | (9) | 680 |
| (10) | 130,734 | (10) | 906 |
☆ブログランキングに参加中です☆