Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)

  1. 4 + _____ = 9
  2. 9 + _____ = 12
  3. 16 + _____ = 17
2 m

Click button first when a symbol is required. X

Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)

  1. 4 + _____ = 9
  2. 9 + _____ = 12
  3. 16 + _____ = 17