Count Squares and Triangles in Matchsticks
A free printable count squares and triangles in matchsticks worksheet with an answer key. Count every shape, big and small. Then count the matchsticks. Look for the big shapes hiding inside! Great for 3rd grade practice at home or in class.
- Size
- US Letter (8.5 × 11 in), fits A4
- 2 pages: the worksheet and its answer key
- Level
- Grade 3
- License
- Free for personal & classroom use
About this worksheet
A free printable count squares and triangles in matchsticks worksheet with an answer key. Count every shape, big and small. Then count the matchsticks. Look for the big shapes hiding inside! Third graders can use it for practice, review or a quick check before a test.
Answer key at a glance
1) How many squares? 5 How many sticks? 12; 2) How many triangles? 5 How many sticks? 9; 3) How many squares? 7 How many sticks? 18; 4) How many triangles? 6 How many sticks? 12; 5) How many squares? 8 How many sticks? 17; 6) How many triangles? 13 How many sticks? 18.
Tips for using it
- Read the equation out loud first and say what is wrong with it, like 'six plus two is not five'.
- Look at which digits can change with one stick: a 6 can become a 5, 8 or 9, and a minus can become a plus.
- Build the puzzle with toothpicks and test each idea with your hands before drawing the answer.
Printing tips
Download the PDF and print at 100% (or “fit to page” on A4). Page 1 is the worksheet and page 2 is the answer key with the answers in red; print just page 1 if you want to keep the answers for checking. The PNG shows page 1 only. Free for personal, family and classroom use.
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