24.23 +  29.2 - 53.43,  243.34 + 73.24 - 316.58, 55.2 - 12.0 - 43.2,  3.4 + 54.7 - 58.1,  32 - 23.2 - 8.8, 68.2 - 5.66 - 62.54, 56.2 + 98 - 154.2, 52.93 - 9 - 43.93, 100-0.098 - 99.902, 59.002-9 - 50.002, (1x100)+(6x10)+(5x1)+(8x.1)+(3x.001) - 165.803, (4x100)+(6x10)+(2x1)+(7x0.001) - 462.007, 167.01-69.99 - 97.02, 1.832-1.657 - 0.175, 16.45+14.535+16.7 - 47.685, 15.7-4 - 11.7, 11.7+3.8 - 15.5, 12.6-3 - 9.6, 9.6+15.5 - 25.1, 2.1+4 - 6.1, 6.1-1.25 - 4.84,

Adding and subtracting decimals 2

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