IXL | Add, subtract, multiply, and divide whole numbers: word problems

A bathing suit manufacturer has a supply of 4,704 bathing suits for men. In addition, it has 9,391 bathing suits for women. How many bathing suits are available in total?

bathing suits

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Learn with an example

question

A petri dish originally contained 3,645 bacteria. A scientist let the bacteria grow and now there are 3,866 of them. How many more bacteria are there now?

bacteria

solution

Subtract the original number of bacteria from the number of bacteria now.

Subtract:


	3,866

−	3,645

Subtract the ones.


	3	,	8	6	6

–	3	,	6	4	5

					1

Subtract the tens.


	3	,	8	6	6

–	3	,	6	4	5

				2	1

Subtract the hundreds.


	3	,	8	6	6

–	3	,	6	4	5

			2	2	1

Subtract the thousands.


	3	,	8	6	6

–	3	,	6	4	5

	0	,	2	2	1

The difference is 221. There are 221 more bacteria now.

Looking for more? Try these:

Lesson: Multi-digit addition

Lesson: Multi-digit subtraction

Lesson: Multiplying by 2-digit numbers

Lesson: Dividing by 2-digit numbers

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Teacher tools

Work it out

Not feeling ready yet? These can help:

G.1Add, subtract, multiply, and divide whole numbers

B.4Add and subtract whole numbers: word problems

D.13Multiply by 2-digit numbers: word problems

E.15Divide 4-digit numbers by 2-digit numbers: word problems

D.8Multiply by 1-digit numbers: word problems

E.8Divide multi-digit numbers by 1-digit numbers: word problems