Square Numbers
Ages 8–12Difficulty adapts to you
Square Numbers
A square number is the result of multiplying a whole number by itself. It is called "square" because it makes the area of a square with that side length.
Your goals
- ✓You can understand and use square numbers.
- ✓You can use square number, squared correctly.
- ✓You can write the repeated multiplication before calculating.
Words to know
- square number:
- A number made by multiplying an integer by itself.
- squared:
- Raised to the power 2.
Examples
- 11² = 1, 2² = 4, 3² = 9, 4² = 16, 5² = 25
- 27² = 49 (7 × 7), 10² = 100 (10 × 10)
Check these
- • Do not double a number when you need to square it.
- • Keep every number, symbol, label, and unit in its correct place.
- • Show enough working to check how you reached your answer.
Helpful habits
- • Read the whole question before choosing what to do.
- • Show one clear step at a time and check each step.
- • If you are stuck, draw a model, try smaller numbers, or revisit the example.
Now try your own
Create your own square numbers example, solve it, and explain how you checked it.
Professor Wise Owl
Wisdom & Understanding“A wise learner asks questions. Be curious!”