C.1

큰 수의 덧셈·뺄셈 어림하기

1분기 (9~11월)

네 자리 수를 몇백 또는 몇천으로 반올림한 뒤 더하거나 빼기

난이도
보통
문제 수
Daniel Math Academy · Grade 4 Math

Estimate Sums & Differences

Skill C.1 · Estimation · ★★☆ Medium · Quarter 1

Name
 
Date
 
Score/ 8

Round each number to the place shown, then estimate.

Example

Nearest thousand: →

Think: Round each number to the place named, then add or subtract the rounded numbers.

  1. 1
    Nearest hundred:
  2. 2
    Nearest hundred:
  3. 3
    Nearest thousand:
  4. 4
    Nearest thousand:
  5. 5
    Nearest hundred:
  6. 6
    Nearest thousand:
  7. 7
    Nearest hundred:
  8. 8
    Nearest hundred:
Daniel Math Academy · danielmath.comWorksheet #napuea9 · Page 1 / 2
Daniel Math Academy · Grade 4 Math

Answer Key

C.1 Estimate Sums & Differences · ★★☆ Medium

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
Daniel Math Academy · danielmath.comWorksheet #napuea9 · Answer Key · Page 2 / 2