Adding & Subtracting Positive & Negative Decimals - Michele Ratcliffe | Library

1

5.4 + (-9.7)

1

10.8 + (-4.73)

1

-4.79 + (-0.4)

1

-10.9 + 6.1

1

2.2 - 7.3

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1

-8.1 - (-8.9)

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1

-18.278 - (-6.8)

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1

17.9 - (-19.4)

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1

Heike has two rocks. If the total weight of both rocks is 54.283 kilograms and the first rock weighs 29.928 kilograms, how much does the second rock weigh?

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1

At dawn, the temperature at the summit of a mountain was -8.5 degrees Celsius. By noon, the temperature increased 3.6 degress Celsius. What was the temperature at noon?

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