Numberblocks Squares 1 to 100 - See Perfect Squares
Explore the full Numberblocks squares list: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100. See why each one builds a perfect block square like 2x2, 5x5, or 10x10.
4 x 4 = 16
16 is a square number because it can make a 4 by 4 square.
Square Numbers 1 to 100
What Are Numberblocks Squares?
Numberblocks squares (also called square numbers) are Numberblocks that can stand in a perfect square. Number 4 is 2x2, Number 9 is 3x3, Number 16 is 4x4, and Number 100 is a giant 10x10 square.
You can spot every square on the Numberblocks 1 to 100 chart, where children can find 1, 4, 9, 16, 25, and the rest. Compare them with Odd and Even Numberblocks, build arrays in the Numberblocks Multiplication tool, or color one in with free Numberblocks coloring pages.
How to Learn Square Numbers
Choose a Square
Pick 1x1 through 10x10 from the square number cards.
Look at the Shape
Notice that the rows and columns are the same length.
Read the Fact
Say the multiplication fact aloud, such as 4 x 4 = 16.
Compare Numbers
Use the chart to see how square numbers grow.
Square Numbers List: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100
1 x 1
1
2 x 2
4
3 x 3
9
4 x 4
16
5 x 5
25
6 x 6
36
7 x 7
49
8 x 8
64
9 x 9
81
10 x 10
100
Numberblocks Squares Beyond 100 - Up to 10,000
Square numbers never stop at 100. 121 is 11x11, 144 is 12x12, 169 is 13x13, 225 is 15x15, and 400 is 20x20. Keep going all the way to 10,000, which is 100x100 - a square so big it needs ten thousand blocks!
Want to see even bigger Numberblocks, like a million or a googol? Type any giant number into the Numberblocks Generator on the home page, or build your own giant in the Numberblocks Maker.
11 x 11
121
12 x 12
144
13 x 13
169
15 x 15
225
20 x 20
400