The second lesson in general Mathematics - adding and subtracting like terms - activities mostly

2. 1) a + a + a + a = 2) 3a x 2b = 3) c x c = 4) 4d + 2e - d + 3e = 5) 8f - 3g + 2f - 6g = 6) 5y - y = 7) Find the perimeter of this shape 8) b x b x b x b = 9) 3(2k + 3) = 10) a(a + 3) = a b

3. 1) a + a + a + a = 4a 2) 3a x 2b = 5ab 3) c x c = 2c 4) 4d + 2e - d + 3e = 3d + 5e 5) 8f - 3g + 2f - 6g = 10f - 3g 6) 5y - y = 5 7) Find the perimeter of this shape a 2 b 2 8) b x b x b x b = b 4 9) 3(2k + 3) = 6k + 3 10) a(a + 3) = a 2 + 3a a b

5. A B C a x a a x b x c 2p + q ab + ba abc 2ab 3a p + p + q a 2 2x x 3y 6xy a + a + a Algebra 1 4 3 2 1

6. A B C 7a x 2a 6a x 3b 3(a + b) 3a +3b 10a 2 b 2a x 5b x a 18ab 30abc 14a 2 a(2a + 3) 2a 2 +3a 2a x 3b x 5c Algebra 2 4 3 2 1