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Triangular Numbers - GCSE Maths - Steps, Examples & Worksheet - Free Printable

Educational worksheet: Triangular Numbers - GCSE Maths - Steps, Examples & Worksheet. Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Triangular Numbers - GCSE Maths - Steps, Examples & Worksheet

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Let’s figure out how many orange squares are in this pyramid.

We’ll count them row by row, starting from the top:

- Top row (row 1): 1 square
- Second row (row 2): 2 squares
- Third row (row 3): 3 squares
- Bottom row (row 4): 4 squares

Now add them up:

1 + 2 = 3
3 + 3 = 6
6 + 4 = 10

So, total squares = 10

Final Answer:
10

Parent Tip: Review the logic above to help your child master the concept of triangular numbers worksheet.

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