Question
Find the following values without a calculator.
(a) 7 + 5 = _____

(b) 5 + 13 = _____

(c) 4 + 10 = _____

(d) 18 + 4 = _____
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.
(a) 7 + 5 = _____

(b) 5 + 13 = _____

(c) 4 + 10 = _____

(d) 18 + 4 = _____