Square numbers and Square roots

Find 2².

• 2

• 4

• 6

• 8

Tags

CCSS.6.EE.A.1

• 1

• 7

• 5

• 9

Tags

CCSS.8.EE.A.2

Mention a square below 10.

(a)  

What is 15²?

• 225

• 2555

• 255

• 525

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Tags

CCSS.8.EE.A.2

Which square number is represented here?

• 3²

• 3₂

• 2³

• 2₃

Answer explanation

In the 'area of a square', one length multiplied by another equals to the area.

If the length of the square is 3, the area is 3 times 3, which is 3².

What is your favourite square number?

(Mine is 7², personally.)

Tags

CCSS.6.EE.A.1

What square number is represented here?

• 10²

• 9²

• 11²

• 12²

Answer explanation

In the 'area of a square', one length multiplied by another equals to the area.

If the length of the square is 10, the area is 10 times 10, which is 10².

Tags

CCSS.5.MD.B.2

Tags

CCSS.8.EE.A.2

What square number is represented on this diagram?

• 1²

• 1₂

• 2₁

• 2¹

Answer explanation

In the 'area of a square', one length multiplied by another equals to the area.

If the length of the square is 1, the area is 1 times 1, which is 1².