ANIS SAPUTRI….. MATEMATIKA KELAS 4 SD

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OPERASI HITUNG BILANGAN Desember 20, 2012

Filed under: Uncategorized — anisaput @ 8:19 am

a.   Lengkapi titik-titik berikut ini ( sifat komunikatif )

  1. 13 + 27 = ……+ 13
  2. 15 + 68 = 68 + ……
  3. …… + 465 = 465 + 212
  4. 7 x 6 = 6 x …..
  5. 21 x 6 = ……. x 21

b.   Lengkapi titik-titik berikut ini ( sifat asosiatif )

  1. (2 + 4) + 5 = . . . . + (4 + 5)
  2. (4 + 7) + 10 = 4 + (. . . . + 10)
  3. 90 + (50 + 40) = (90 + . . . .) + 40
  4. (. . . . × 11) × 23 = 21 × (11× 23)
  5. (4 × 64) × 5 = 4 × (. . . . × 5)

c.   Lengkapi titik-titik berikut ini ( sifat distributif )

  1. 3 × (8 – 2) = …. (3 × 8) – (3 × 2) = ….
  2. 5 × (4 – 3) = …. (5 × 4) – (5 × 3) = ….
  3. 6 × (6 – 5) = …. (6 × 6) – (6 × 5) = ….
  4. 9 × (7 – 7) = …. (9 × 7) – (9 × 7) = ….
  5. 4 × (8 – 5) = …. (4 × 8) – (4 × 5) = ….

 

 

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