2.01 Operations with decimals

Interactive practice questions

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

Easy
Less than a minute

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

7.NS.A.1

Add and subtract integers and other rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.

7.NS.A.1d

Represent addition and subtraction on a horizontal or vertical number line diagram. Apply properties of operations as strategies to add and subtract rational numbers.

7.NS.A.2

Multiply and divide integers and other rational numbers.

7.NS.A.2c

Apply properties of operations as strategies to multiply and divide rational numbers.