IXL | Subtract two multi-digit numbers: word problems

A team of engineers built a dam over a large river. In the process, they created a lake covering farmland and forest. The lake covers a total of 3,182 acres. If the lake covers 796 acres of farmland, how many acres of forest does it cover?

acres

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Learn with an example

question

A bottling plant fills small and large bottles. Since the plant opened, it has filled a total of 2,035 bottles. If the plant has filled 880 large bottles, how many small bottles have they filled?

bottles

solution

Subtract the number of large bottles from the total number of bottles.

Subtract:

Subtract the ones.

Subtract the tens. You need to regroup first. Subtract

–

Subtract the hundreds. Subtract

–

Subtract the thousands.

The difference is 1,155. The plant has filled 1,155 small bottles.

Looking for more? Try these:

Lesson: Multi-digit subtraction

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Teacher tools

Work it out

Not feeling ready yet? These can help:

E.3Subtract two multi-digit numbers

H.8Subtract numbers up to three digits: word problems

Lesson: Multi-digit subtraction

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