math.wiki
Worksheets › Grade 3 › Chapter 5
Sign in
Grade 3 · Chapter 5 · Lesson 5.2 · Printable PDF

Using a Letter for the Unknown Number Worksheet with Answer Key

5 problems on using a letter for the unknown number. 1 page, with a worked answer key.

5 problems1 pagesanswer key
Printable Using a letter for the unknown number worksheet with answer key - Grade 3 (Page 1 PDF preview)
Page 1 of 1

Download

Worksheet PDFAnswer key

Get this sheet

This sheetWorksheet and answer key, yours to keep.
$5
Buy
SubscriptionOpen any sheet in any course, up to 40 a month, keys included. Or $40 month to month.
$25/mo, billed yearly
Subscribe
Full Course Set160+ Grade 3 PDF files, no limit, yours to keep.
$200once
Buy

Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

The full Grade 3 courseEvery lesson in teaching order, with over 160 printables.See the course ›

What's on the worksheet

  1. Find the number each letter stands for.
  2. Mei puts 6 balloons on each chair.
  3. 42 kids eat lunch at 6 tables.
  4. A pet shop had some goldfish.
  5. Jin shares some pears among 4 friends.

Teach it first

The free lesson teaches it with worked examples and practice problems.

Using a letter for the unknown number: the lesson ›

More Chapter 5 worksheets: Two-step problems and patterns