Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)

(a) 75 - 5 = _____

(b) 99 - 1 = _____

(c) 78 - 18 = _____

(d) 51 - 49 = _____
1 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, 4)

(a) 75 - 5 = _____

(b) 99 - 1 = _____

(c) 78 - 18 = _____

(d) 51 - 49 = _____