New Zealand
Level 6 - NCEA Level 1

# Using a calculator for rational or integer calculations

## Interactive practice questions

We want to use a calculator to find the value of

$-692\times133$692×133

a

Before entering the calculation in to your calculator, it is useful to have an estimation in mind. Choose the correct statement:

The product of $-692$692 and $133$133 will be positive.

A

The product of $-692$692 and $133$133 will be negative.

B

The product of $-692$692 and $133$133 will be positive.

A

The product of $-692$692 and $133$133 will be negative.

B
b

Now, use your calculator to find the value of $-692\times133$692×133:

c

Which of the following expressions has the same value?

$692\times133$692×133

A

$692\times\left(-133\right)$692×(133)

B

$-692\times\left(-133\right)$692×(133)

C

$692\times133$692×133

A

$692\times\left(-133\right)$692×(133)

B

$-692\times\left(-133\right)$692×(133)

C
Easy
Approx a minute

Using a calculator, evaluate $78726-38397$7872638397

Evaluate $786+692$786+692

Using a calculator, convert $10%$10% to a decimal.

### Outcomes

#### NA6-6

Generalise the properties of operations with rational numbers, including the properties of exponents

#### 91027

Apply algebraic procedures in solving problems