# Evaluate expressions involving directed rational numbers

## Interactive practice questions

Find the value of $-7+9.1$7+9.1.

Easy
Less than a minute

Find the value of $4-6.1$46.1.

Find $-6\times0.8$6×0.8, giving your answer as a decimal.

Find the value of $-2+1.9+7.3$2+1.9+7.3.

### Outcomes

#### 9D.NA2.01

Simplify numerical expressions involving integers and rational numbers, with and without the use of technology