| 54+39= | 87-58= | 44+27= | 38+25= | 94-53= |
| 53-27= | 65-48= | 81÷9= | 63÷7= | 9×3+9= |
| 32÷4= | 56÷8= | 316÷2= | 8×9= | 6×4+6= |
| 81÷9= | 6×7-6= | 8×6-8= | 170+260= | 320+630= |
| 420-270= | 640-320= | 900-710= | ________÷8=3 | 42÷________=7 |
| 35÷________=5 | 36÷9×8= | 51-15=________=________×________. |
| 4.28×10________428 | 0.34×100________34 | 3.03×1000________303 |
| 4.12×10________41.2×10 | 52.6÷10________5.26 | 0.34÷100________0.034. |