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


(a) 20 + 50 = _____

(b) 71 + 71 = _____

(c) 99 + 77 = _____

(d) 41 + 41 + 41 = _____
1 m

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


(a) 20 + 50 = _____

(b) 71 + 71 = _____

(c) 99 + 77 = _____

(d) 41 + 41 + 41 = _____