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) | 14,620,915,764 | (1) | 65,041 |
| (2) | 513,666,167.06 | (2) | 14.629 |
| (3) | 0.052 | (3) | 37.152 |
| (4) | 38,472 | (4) | 92,010 |
| (5) | 46.165 | (5) | 809.375 |
| (6) | 76,217,136,380 | (6) | 73,953 |
| (7) | 141,651,703 | (7) | 2,864 |
| (8) | 2,172,890 | (8) | 41,826 |
| (9) | 8,504,011,200 | (9) | 58,308 |
| (10) | 267,166 | (10) | 96,477 |
| ③みとり算 | ⑥みとり暗算 | ||
| (1) | 53,740,784,061 | (1) | 6,623,364 |
| (2) | 10,789,306,453 | (2) | 5,186,385 |
| (3) | 54,126,826,018 | (3) | -366,332 |
| (4) | -3,665,594,125 | (4) | 4,890,129 |
| (5) | 56,433,265,319 | (5) | 2,072,424 |
| ④かけ暗算 | ⑤わり暗算 | ||
| (1) | 702,720 | (1) | 743 |
| (2) | 291,024 | (2) | 320 |
| (3) | 382,032 | (3) | 284 |
| (4) | 494,440 | (4) | 66 |
| (5) | 91,664 | (5) | 419 |
| (6) | 88,331 | (6) | 998 |
| (7) | 182,307 | (7) | 8,037 |
| (8) | 73,533 | (8) | 605 |
| (9) | 526,620 | (9) | 572 |
| (10) | 610,500 | (10) | 151 |
☆ブログランキングに参加中です☆