Square Roots
Perfect Squares
Estimating
*Surface Area* NEW CONTENT QUESTIONS
Challenge
100

What is the square root of 100?

What is 10

100

What is 6 squared?

What is 36

100

Between which two whole numbers does square root 20 lie?

What is 4 and 5

100

How many faces does a rectangular prism have?

What is 6

100

What is the square root of the area of a square that measures 121 cm²?

What is 11 cm

200

What is the square root of 168?

What is 13

200

What is the next perfect square after 64?

What is 81

200

Between which two whole numbers does square root 90 lie?

What is 9 and 10

200

What is the surface area of a cube with side lengths of 3 cm?

What is 54 cm²

200

A square has a perimeter of 32 cm. What is its area?

What is 64 cm²

300

What is the square root of 1.96?

What is 1.4

300

Is 150 a perfect square?

What is No!

300

Is square root 50 closer to 7 or 8?

What is 7

300

A rectangular prism is 5 cm long, 4 cm wide, and 3 cm high. What is its surface area?

What is 94 cm²
Calculation: 2(20+15+12)=94

300

A cube has a volume of 216 cm³. What is the length of one edge?

What is 6 cm 

400

What is the square root of 0.49?

What is 0.7

400

What is the largest perfect square less than 300?

What is 289

400

Estimate square root 30 to one decimal place

What is 5.5

400

A cube has a surface area of 150 cm². What is the length of one edge?

What is 5 cm

400

A square has an area of 196 cm². What is its perimeter?

What is 56 cm

500

What is the square root of the fraction 32/72?

What is 2/3

500

A square has an area of 400 cm². What is the length of one side?

What is 20 cm

500

Estimate square root 115 to one decimal place

What is 10.7

500

A rectangular prism has a length of 10 cm, a width of 6 cm, and a height of 4 cm. What is its surface area?

What is 248 cm²
2(60+40+24)=248

500

A cylinder has a radius of 3 cm and a height of 8 cm. Find its total surface area. Use pi as 3.14

 What is 207.24 cm²