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

(a) 55 - 30 = _____

(b) 89 - 66 = _____

(c) 52 - 27 = _____

(d) 88 - 77 = _____
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) 55 - 30 = _____

(b) 89 - 66 = _____

(c) 52 - 27 = _____

(d) 88 - 77 = _____