Question
Find the following values without a calculator.
  1. 3781 = 3000 + _______ + 1
  2. 1625 = 1000 + _____ + 20
  3. 20 - 9 x 2 = _______
  4. 90 - 14 ÷ 2 = _______
1 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

(d)

Click button first when a symbol is required. X

Find the following values without a calculator.
  1. 3781 = 3000 + _______ + 1
  2. 1625 = 1000 + _____ + 20
  3. 20 - 9 x 2 = _______
  4. 90 - 14 ÷ 2 = _______