Square and Triangular Numbers

Select the best description of a square number.

• The result of a number added to itself

• The result of a number multiplied by itself

• The result of a number divided by itself

• The result of a number subtracted from itself

Select the best description of a triangular number.

• Every 3rd number

• a number multiplied by itself 3 times

• The result of obtained by continued summation of the natural numbers 1, 2, 3, 4, 5, etc.

Select the correct list of square numbers

• 4, 9, 16, 25, 36, 42

• 25, 36, 49, 64, 81

• 4, 25, 64, 100, 120

Select the correct list of triangular numbers

• 1, 2, 3, 4, 5

• 1, 3, 5, 7 , 9

• 1, 3, 6, 10, 15, 21

The square root of 64 is...

• 7

• 8

• 9

The square of 12 is...

• 121

• 144

• 212

Select the triangular numbers

• 9, 16, 25, 36, 49

• 36, 45, 55, 66, 78

• 44, 55, 66, 77,88

Select the list of square numbers

• 121, 144, 169, 196

• 64, 88, 121, 171, 199

• 9, 12, 18, 25, 36

The square of 8 is...

• 66

• 65

• 64

The square root of 169 is...

• 12

• 13

• 14