B.2
큰 수의 덧셈과 뺄셈
2분기 (12~2월)백만 단위까지의 수를 받아올림·받아내림하여 더하고 빼기
난이도
보통
문제 수
Add & Subtract Whole Numbers
Skill B.2 · Adding & subtracting whole numbers · ★★☆ Medium · Quarter 2
- Name
- Date
Score/ 12
Scan for answers
Add or subtract.
Example
605214
−387596
217618
Think: Line up the places and work from the ones, regrouping where the top digit is smaller: .
- 1829632−59537
- 2379867−26931
- 3302639−64118
- 4433379+62441
- 5637306−66405
- 6110024−56109
- 7373862−87069
- 8176267+20722
- 9734088+82206
- 10640425−64121
- 11239897−32537
- 12291838−76864
Answer Key
B.2 Add & Subtract Whole Numbers · ★★☆ Medium
- 1770,095
- 2352,936
- 3238,521
- 4495,820
- 5570,901
- 653,915
- 7286,793
- 8196,989
- 9816,294
- 10576,304
- 11207,360
- 12214,974