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

(a) 1000 - 300 = _____

(b) 600 - 240 = _____

(c) 664 - 470 = _____

(d) 815 - 806 = _____
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) 1000 - 300 = _____

(b) 600 - 240 = _____

(c) 664 - 470 = _____

(d) 815 - 806 = _____