Number Patterns

Hong Kong

Stage 2

Lesson

You may have already looked at how to write a general rule using pronumerals to describe a decimal pattern with tenths. Now let's look at how to do this with patterns with hundredths.

Remember a pronumeral is a letter that is used to represent an unknown value. Watch this video to learn more about writing rules for decimal patterns with hundredths.

Complete the following pattern.

$0.01$0.01 $0.02$0.02 $0.03$0.03 $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ If $c$

`c`belongs to the same pattern, what is the next number?

Complete the following pattern.

$0.15$0.15 $0.14$0.14 $0.13$0.13 $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ $\editable{}$ If $x$

`x`belongs to the same pattern, what is the next number?

Consider the following pattern.

What is the pattern?

$0.03$0.03 $0.11$0.11 $0.19$0.19 $\editable{}$ $\editable{}$ $\editable{}$ The numbers are increasing by $0.08$0.08.

AThe numbers are increasing by $80$80.

BThe numbers are increasing by $8$8.

CThe numbers are increasing by $0.8$0.8.

DNow complete the pattern.

$0.03$0.03 $0.11$0.11 $0.19$0.19 $\editable{}$ $\editable{}$ $\editable{}$ If $x$

`x`belongs to the same pattern, what is the next number?