C.1

몇십으로 반올림하기

1분기 (9~11월)

두·세 자리 수를 가장 가까운 몇십으로 반올림하기

난이도
보통
문제 수
Daniel Math Academy · Grade 3 Math

Round to the Nearest Ten

Skill C.1 · Rounding & estimating · ★★☆ Medium · Quarter 1

Name
 
Date
 
Score/ 6

Round each number.

Example340345350347

Round to the nearest ten:

Think: 347 is between 340 and 350. The ones digit is 7, and , so round up to 350.

  1. 1
    40455042
    Round to the nearest ten.
  2. 2
    120125130124
    Round to the nearest ten.
  3. 3
    240245250244
    Round to the nearest ten.
  4. 4
    660665670663
    Round to the nearest ten.
  5. 5
    960965970963
    Round to the nearest ten.
  6. 6
    20253024
    Round to the nearest ten.
Daniel Math Academy · danielmath.comWorksheet #usyi3vx · Page 1 / 2
Daniel Math Academy · Grade 3 Math

Answer Key

C.1 Round to the Nearest Ten · ★★☆ Medium

  1. 140
  2. 2120
  3. 3240
  4. 4660
  5. 5960
  6. 620
Daniel Math Academy · danielmath.comWorksheet #usyi3vx · Answer Key · Page 2 / 2