1) x + 5 = 11.9 a) x = 11.4 b) x = 5.9 c) x = 6.9 d) x = 16.9 2) b - 4.4 = 7.4 a) b = 3.0 b) b = 11.4 c) b = 3.4 d) b = 11.8 3) 10.2 + y = 31.5 a) y = 20.7 b) y = 21.3 c) y = 41.7 d) y = 29.3 4) 4.5 + j = 50 a) j = 54.5 b) j = 46.5 c) j = 45.5 d) j = 54.0 5) s - 12.1 = 71.3 a) s = 83.4 b) s = 59.2 c) s = 69.2 d) s = 61.2 6) m - 3.94 = 2.66 a) m = 6.60 b) m = 6.50 c) m = 1.28 d) m = 0.28 7) p - 7.891 = 6.405 a) p = 13.296 b) p = 1.486 c) p = 1.494 d) p = 14.296 8) x + 8.24 = 34.88 a) x = 26.64 b) x = 14.64 c) x = 42.02 d) x = 43.12 9) 43.11 + w = 67.23 a) w = 110.34 b) w = 13.12 c) w = 24.12 d) w = 34.34 10) 19.81 - t = 0.77 a) t = 19.04 b) t = 19.14 c) t = 18.04 d) t = 20.58 11) 8.036 - c = 1.772 a) c = 9.808 b) c = 7.364 c) c = 6.264 d) c = 7.744 12) g + 19.779 = 30.001 a) g = 21.222 b) g = 49.780 c) g = 10.999 d) g = 10.222 13) v - (1.2 + 3.4) = 5.6 a) v = 7.8 b) v = 1.0 c) v = 4.6 d) v = 10.2 14) (26.2 - 13.1) + r = 15.00 a) r = 9.1 b) r = 1.9 c) r = 13.1 d) r = 28.1

Pre-Algebra 1: Addition & Subtraction Lesson 1

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النمط البصري

الخيارات

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