1．口算
| 6×7= | 32÷4= | 9000-7000= | 1200-800= |
| 3500+1000= | 63÷8= | 18÷9= | 9×5-32= |
| 1600-900= | 57-40= | 130-50= | 17÷3= |
| 47+38= | 3000+7000= | 41-28= | 21÷4= |
| 34-17= | 40÷5= | 16÷8= | 58+90= |
20．口算
| 900-300= | 56+44= | 600+900= | 126-95= |
| 56÷8= | 45÷5= | 20+86= | 81÷9×6= |
| 37+56= | 2100-500= | 8×5= | 96+26= |
| 1900-500= | 800+1200= | 54÷6= | 44-23+56= |
| 700-500= | 59+12= | 79+31= | 30÷6+29= |
19．口算
0 158349 158357 158363 158367 158373 158375 158379 158385 158387 158393 158399 158403 158405 158409 158415 158417 158423 158427 158429 158433 158435 158439 158441 158443 158444 158445 158447 158448 158449 158451 158453 158457 158459 158463 158465 158469 158475 158477 158483 158487 158489 158493 158499 158505 158507 158513 158517 158519 158525 158529 158535 158543 199269
| 48+75= | 26+524= | 100-40= | 63÷7= |
| 2000+600= | 58+23= | 1600-100= | 4000+6000= |
| 86-25= | 72÷8= | 21÷3= | 17÷5= |
| 35÷7= | 28÷4= | 250+1000= | 4×6+5= |
| 44-30= | 27÷9= | 64÷8= | 48÷6÷4= |
