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Elementary 4-2
Mathematics
πŸ”4ν•™λ…„ 2ν•™κΈ° μ†Œμˆ˜μ˜ λ§μ…ˆκ³Ό λΊ„μ…ˆ(단원 마무리)
4-2 μ„ μƒλ‹˜
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# 1

Short Answer

5.8μ—μ„œ 1.3을 λΉΌλ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 4.5

# 2

Multiple Choice

λ‹€μŒ 쀑 λ§μ…ˆ κ²°κ³Όκ°€ κ°€μž₯ 큰 것은 λ¬΄μ—‡μΈκ°€μš”?

  • 2.3 + 1.5
  • 1.9 + 1.8
  • 3.1 + 0.7
  • 2.5 + 1.1

# 3

Short Answer

9.1μ—μ„œ 4.9λ₯Ό λΉΌλ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 4.2

# 4

Multiple Choice

λ‹€μŒ 쀑 λΊ„μ…ˆ κ²°κ³Όκ°€ κ°€μž₯ μž‘μ€ 것은 λ¬΄μ—‡μΈκ°€μš”?

  • 8.5 - 3.2
  • 7.9 - 2.1
  • 9.0 - 4.5
  • 6.7 - 1.3

# 5

Short Answer

길이가 2.5cm인 색 ν…Œμ΄ν”„μ™€ 3.8cm인 색 ν…Œμ΄ν”„λ₯Ό 이어 λΆ™μ˜€μŠ΅λ‹ˆλ‹€. 전체 κΈΈμ΄λŠ” μ–Όλ§ˆμΈκ°€μš”?

  • 6.3cm

  • 6.3

# 6

Short Answer

μ—°ν•„ ν•œ 자루의 길이가 15.2cm이고, μ§€μš°κ°œ ν•œ 개의 길이가 3.5cmμž…λ‹ˆλ‹€. μ—°ν•„κ³Ό μ§€μš°κ°œλ₯Ό ν•©ν•œ κΈΈμ΄λŠ” μ–Όλ§ˆμΈκ°€μš”?

  • 18.7cm

  • 18.7

# 7

Multiple Choice

λ‹€μŒ 쀑 λ§μ…ˆ κ²°κ³Όκ°€ 8.5κ°€ μ•„λ‹Œ 것은 λ¬΄μ—‡μΈκ°€μš”?

  • 4.2 + 4.3
  • 5.1 + 3.4
  • 6.0 + 2.5
  • 3.8 + 4.7

# 8

Short Answer

과자 ν•œ λ΄‰μ§€μ˜ λ¬΄κ²Œκ°€ 12.5g이고, λ‹€λ₯Έ 과자 ν•œ λ΄‰μ§€μ˜ λ¬΄κ²Œκ°€ 8.7gμž…λ‹ˆλ‹€. 두 과자 λ΄‰μ§€μ˜ 무게λ₯Ό ν•©ν•˜λ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 21.2g

  • 21.2

# 9

Short Answer

9.5μ—μ„œ 2.8을 λΉΌλ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 6.7

# 10

Short Answer

길이가 5.3m인 λˆμ—μ„œ 2.1mλ₯Ό μž˜λΌλƒˆμŠ΅λ‹ˆλ‹€. 남은 끈의 κΈΈμ΄λŠ” μ–Όλ§ˆμΈκ°€μš”?

  • 3.2m

  • 3.2

# 11

Short Answer

주슀 2.5λ¦¬ν„°μ—μ„œ 1.8리터λ₯Ό λ§ˆμ…¨μŠ΅λ‹ˆλ‹€. 남은 μ£ΌμŠ€λŠ” λͺ‡ λ¦¬ν„°μΈκ°€μš”?

  • 0.7리터

  • 0.7

# 12

Short Answer

사과 3.5kgμ—μ„œ 1.9kg을 λ¨Ήμ—ˆμŠ΅λ‹ˆλ‹€. 남은 μ‚¬κ³Όμ˜ λ¬΄κ²ŒλŠ” μ–Όλ§ˆμΈκ°€μš”?

  • 1.6kg

  • 1.6

# 13

Multiple Choice

λ‹€μŒ 쀑 λ§μ…ˆ κ²°κ³Όκ°€ κ°€μž₯ μž‘μ€ 것은 λ¬΄μ—‡μΈκ°€μš”?

  • 1.1 + 2.2
  • 0.9 + 2.3
  • 1.5 + 1.5
  • 2.0 + 1.0

# 14

Short Answer

μ–΄λ–€ μˆ˜μ— 2.7을 λ”ν–ˆλ”λ‹ˆ 5.1이 λ˜μ—ˆμŠ΅λ‹ˆλ‹€. μ–΄λ–€ μˆ˜λŠ” μ–Όλ§ˆμΈκ°€μš”?

  • 2.4

# 15

Multiple Choice

μ†Œμˆ˜ 첫째 μžλ¦¬κΉŒμ§€ λ‚˜νƒ€λ‚Έ 두 수, 18.4와 9.5λ₯Ό λ”ν•˜λ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 27.9
  • 26.9
  • 27.8
  • 28.9

# 16

OX

3.14 + 2.56 = 5.70 μž…λ‹ˆλ‹€.

# 17

Short Answer

9.05 - 4.21을 κ³„μ‚°ν•˜λ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 4.84

# 18

Multiple Choice

25.7 + 13.45λ₯Ό κ³„μ‚°ν•˜λ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 38.15
  • 39.15
  • 38.25
  • 39.25

# 19

Multiple Choice

5.67 + 2.33을 κ³„μ‚°ν•˜λ©΄ μ–Όλ§ˆμΈκ°€μš”?

  • 7.00
  • 8.00
  • 7.90
  • 8.10

# 20

Multiple Choice

μ–΄λ–€ μˆ˜μ— 12.5λ₯Ό λ”ν–ˆλ”λ‹ˆ 20.3이 λ˜μ—ˆμŠ΅λ‹ˆλ‹€. μ–΄λ–€ μˆ˜λŠ” μ–Όλ§ˆμΈκ°€μš”?

  • 7.8
  • 8.8
  • 7.2
  • 8.2
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