Mathematics Lesson 03/05/07
Mathematics Lesson 03/05/07. Objectives (WALT). Revise Autumn term work. Negative Numbers (4,5). If a = 2, b = -1, c = -3, d = 10, what is (a) a + b + c (b) 3c – 2a (c) 5d – 2bc (d). a + b + c = 2 -1 -3 = -1 3c – 2a = 3(-3) – 2(2) = -9 -4 = -13 5d – 2bc = 5(10) -2(-1)(-3) = 50 -6 = 44
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