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. 420 + 420 + 420 = _____ x 120 + 520
  2. 1215 - 215 - 515 = 1015 - _____ x 115
  3. 817 + 317 - 317 = _____ x 117 - 117
  4. 2411 + 211 = 111 x _____ + 211
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STUDENT

Primary 6 MENTAL SUMS P6.MS.JC.18081001

03 Jul 2024, 07:31 AM

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
  1. 420 + 420 + 420 = _____ x 120 + 520
  2. 1215 - 215 - 515 = 1015 - _____ x 115
  3. 817 + 317 - 317 = _____ x 117 - 117
  4. 2411 + 211 = 111 x _____ + 211
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