C.2

곱셈 어림하기

1분기 (9~11월)

큰 수를 반올림한 뒤 곱해서 곱 어림하기

난이도
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문제 수
Daniel Math Academy · Grade 4 Math

Estimate Products

Skill C.2 · Estimation · ★★☆ Medium · Quarter 1

Name
 
Date
 
Score/ 8

Round each number to the place shown, then estimate.

Example

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Think: Round the bigger factor, then use a basic fact: , so .

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

Answer Key

C.2 Estimate Products · ★★☆ Medium

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