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) 48181 + 5248
  • 5) 25 – –5
  • 6) 23 + 35
  • 7) 174 + 568
  • 9) 56 + 686
  • 11) 6895 + 18794

DownI Lawr

  • 1) 269 + 268
  • 2) 19797 + 10678
  • 3) –40 + 65
  • 4) 416 + 568
  • 8) 121 + 125
  • 10) 22.5 + 5.5

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