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. 310 + 310 + 110 = _____ x 110 + 410
  2. 1022 - 322 - 122 = 822 - _____ x 122
  3. 813 + 313 - 313 = _____ x 113 - 113
  4. 1215 + 115 = 115 x _____ + 315
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STUDENT

Primary 6 MENTAL SUMS P6.MS.JC.18081001

24 Jun 2024, 09:20 PM

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 310 + 310 + 110 = _____ x 110 + 410
  2. 1022 - 322 - 122 = 822 - _____ x 122
  3. 813 + 313 - 313 = _____ x 113 - 113
  4. 1215 + 115 = 115 x _____ + 315
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