- Start counting, from ' 1 '.
- Each time you say a number, think about its square ... the number you said, multiplied by itself.
- If the square is less than 200, write it down.
- If the square is more than 200, stop. The job is done.
You should have 14 numbers on your list.
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square from 1 to 200
225 = 15 x 15 256 = 16 x 16 289 = 17 x 17
1,4,9,16,25,36,49,64,81,100,121,144,169,196,225,256,289,324,361,400 All the square numbers up to 20!
64, 81, 100, 121, 144, 169, 196.
256 289 225