Question
P6.MS.JC.18081001-A1
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 39 + 49 + 19 = _____ x 19 + 19
  2. 1215 - 315 - 315 = 1015 - _____ x 115
  3. 715 + 515 - 215 = _____ x 115 - 115
  4. 2314 + 414 = 114 x _____ + 114
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STUDENT

Primary 6 MENTAL SUMS P6.MS.JC.18081001

25 Jun 2024, 02:52 PM

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 39 + 49 + 19 = _____ x 19 + 19
  2. 1215 - 315 - 315 = 1015 - _____ x 115
  3. 715 + 515 - 215 = _____ x 115 - 115
  4. 2314 + 414 = 114 x _____ + 114
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