Question
Find the following values without a calculator.
  1. 0 + 1 = ____
  2. 1 + 1 = ____
  3. 3 + 7 = ____
2 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

Find the following values without a calculator.
  1. 0 + 1 = ____
  2. 1 + 1 = ____
  3. 3 + 7 = ____