You may have already looked at how to write rules to describe decimal patterns. Now we're going to build on those skills and look at how to write a general rule using pronumerals. A pronumeral is a letter that is used to represent an unknown value in a mathematical expression or formula.
Watch this video now to learn more about using pronumerals to describe decimal patterns.
Complete the pattern by adding $0.1$0.1 each time.
$0.1$0.1 | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ |
If $c$c belongs to the same pattern, what is the next number?
Complete the pattern by subtracting $0.3$0.3 each time.
$5.4$5.4 | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ |
If $c$c belongs to the same pattern, what is the next number?
Consider the following pattern.
What is the pattern?
$6.2$6.2 | $12.2$12.2 | $18.2$18.2 | $\editable{}$ | $\editable{}$ | $\editable{}$ |
The numbers are increasing by $6$6.
The numbers are increasing by $60$60.
The numbers are increasing by $0.6$0.6.
The numbers are increasing by $0.06$0.06.
Now complete the pattern.
$6.2$6.2 | $12.2$12.2 | $18.2$18.2 | $\editable{}$ | $\editable{}$ | $\editable{}$ |
If $x$x belongs to the same pattern, what is the next number?