Without a calculator, work out the answer to each sum and type your answer into the correct boxes

Heb ddefnyddio cyfrifiannell, gweithiwch allan yr ateb i bob swm a theipiwch yr ateb i mewn i’r bocsys cywir

AcrossAr Draws

  • 1) 31983 + 52414
  • 5) 9 + 36
  • 6) 44 + 37
  • 7) 145 + 537
  • 9) 204 + 387
  • 11) 7526 + 37861

DownI Lawr

  • 1) 488 + 358
  • 2) 10848 + 35007
  • 3) 23 + 75
  • 4) 454 + 257
  • 8) 145 + 148
  • 10) –7 + 25

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