Multiplication within 10 000

Multiplication within 10 000

2.3

Multiplication within 10 000

There are various methods for solving appropriate multiplication operations for numbers up to 10 000

Using common forms

	Examples of questions and solutions to multiplications operations
	Mathematical sentences: \(4\space\times\space121=\underline{\quad\quad}\)
	\(\begin{array} {rr} \space\space1\space2\space1 \\\times\space\space\space\space\space\space\space4 \\\hline\space\space4 \\\hline \end{array}\)	\(\begin{array} {rr} \space\space1\space2\space1 \\\times\space\space\space\space\space\space\space4 \\\hline\space8\space4 \\\hline \end{array}\)	\(\begin{array} {rr} \space\space1\space2\space1 \\\times\space\space\space\space\space\space\space4 \\\hline4\space8\space4 \\\hline \end{array}\)
	Multiply ones \(4\space\times\space1\space\text{ones}=4\space\text{ones}\)	Multiply tens \(4\space\times\space2\space\text{tens}=8\space\text{tens}\)	Multiply hundreds \(4\space\times\space1\space\text{hundreds}=4\space\text{hundreds}\)

So, \(4\space\times\space121=\underline{484}\)