A.1
큰 수의 덧셈과 뺄셈
백만 단위 수의 덧셈과 뺄셈 (받아올림·받아내림)
난이도
보통
문제 수
Add & Subtract Whole Numbers
Skill A.1 · Whole-number operations · ★★☆ Medium
- 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: .
- 14875720+244778
- 28353660−288178
- 36693388+118102
- 43003099−369478
- 53507896+706250
- 65966132+573486
- 75382446+589034
- 82616163+656538
- 99630770−789663
- 103308260−322870
- 113855686+265133
- 126706065−611858
Answer Key
A.1 Add & Subtract Whole Numbers · ★★☆ Medium
- 15,120,498
- 28,065,482
- 36,811,490
- 42,633,621
- 54,214,146
- 66,539,618
- 75,971,480
- 83,272,701
- 98,841,107
- 102,985,390
- 114,120,819
- 126,094,207