Directed Numbers
Hong Kong
Stage 1 - Stage 3
Use a calculator to evaluate expressions with directed numbers
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
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
Easy
1min
We want to use a calculator to find the value of
$-853+569$−853+569
Easy
1min
We want to use a calculator to find the value of
$-586+847$−586+847
Easy
1min
We want to use a calculator to find the value of
$-657-811$−657−811
Easy
1min
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