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2.01 Operations with decimals

Interactive practice questions

Evaluate $8.5+\left(-4.1\right)$8.5+(4.1).

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Evaluate $-8.3+8.4$8.3+8.4.

Evaluate $5.4+\left(-7.8\right)$5.4+(7.8).

Evaluate $-7.3+3.8$7.3+3.8.

Outcomes

NC.7.NS.1

Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers, using the properties of operations, and describing real-world contexts using sums and differences.

NC.7.NS.2

Apply and extend previous understandings of multiplication and division.

NC.7.NS.2b

Apply properties of operations as strategies, including the standard algorithms, to multiply and divide rational numbers and describe the product and quotient in real-world contexts.

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