Question
Find the following values without a calculator.

  1. 282 + 412 = _____
  2. 316 + 10 = _____
  3. 245 + 136 = _____
  4. 499 + 460 = _____
4 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. 282 + 412 = _____
  2. 316 + 10 = _____
  3. 245 + 136 = _____
  4. 499 + 460 = _____