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. 19 + 39 + 29 = _____ x 19 + 29
  2. 915 - 115 - 315 = 815 - _____ x 115
  3. 715 + 315 - 315 = _____ x 115 - 115
  4. 1510 + 310 = 110 x _____ + 210
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STUDENT

Primary 6 MENTAL SUMS P6.MS.JC.18081001

03 Jul 2024, 02:44 AM

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 19 + 39 + 29 = _____ x 19 + 29
  2. 915 - 115 - 315 = 815 - _____ x 115
  3. 715 + 315 - 315 = _____ x 115 - 115
  4. 1510 + 310 = 110 x _____ + 210
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