Using unknown

Using Unknown

2.6

Using Unknown

An unknown is a quantity that is not specified.

	Example
	There are 7 fish in the aquarium. Ali is going to add in some fish. The total number of fish becomes 10. An unknown is some fish. 7 plus the unknown is 10.
	Mathematical sentecnce: \(7\space+\space\underline{\quad\quad}=10 \\\\\;\;\;\;\;\;\;\;\;\,\Uparrow \\\\\;\;\;\;\text{unknown}\)

Using Unknown

2.6

Using Unknown

An unknown is a quantity that is not specified.

	Example
	There are 7 fish in the aquarium. Ali is going to add in some fish. The total number of fish becomes 10. An unknown is some fish. 7 plus the unknown is 10.
	Mathematical sentecnce: \(7\space+\space\underline{\quad\quad}=10 \\\\\;\;\;\;\;\;\;\;\;\,\Uparrow \\\\\;\;\;\;\text{unknown}\)