Lesson · Grade 5 · Mathematics

What a Remainder Means in a Word Problem

  • Grade 5
  • Mathematics
  • 1 min 23 s
  • British Columbia
  • BC5-MA-15

A baker packs 26 muffins into boxes of 4, which gives 26 ÷ 4 = 6 R 2, and the video checks this with 6 × 4 = 24 and 24 + 2 = 26. Three questions about the same muffins show three common ways to use the remainder: round up to 7 boxes, leave it out for 6 full boxes, or share it so 4 friends get 6½ muffins each.

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In one sentence

The question this lesson answers

A baker has 26 muffins, and each box holds 4.

Pack the muffins into boxes, 4 at a time.

Transcript

What the lesson says

A baker has 26 muffins, and each box holds 4.

Pack the muffins into boxes, 4 at a time.

That makes 6 full boxes and 2 left over, so 26 divided by 4 is 6 remainder 2.

Check: 6 times 4 is 24, and 24 plus 2 is 26.

The question tells us what to do with the 2 left over.

How many boxes are needed to pack all 26 muffins?

The 2 left over need a box too, so round up to 7 boxes.

How many full boxes can the baker sell?

2 muffins cannot fill a box, so leave them out, and the answer is 6 full boxes.

Now 4 friends share the 26 muffins equally, so how many does each friend get?

Each friend gets 6 muffins, and 2 are left over.

Cut the 2 muffins in half to make 4 halves, one for each friend.

So each friend gets 6 and a half muffins.

Read the question, then use one of three common ways: round up, leave it out, or share it.

Curriculum

Where this fits

British Columbia, Grade 5

Mathematics, Number: multiplication and division to three digits, including division with remaindersBC5-MA-15

Previous: Dividing with a Remainder: 157 ÷ 4Next: 3.75 + 8.6

The outcomes and strands follow the British Columbia curriculum.