KS3 COMBINED MATH CHALLENGE

Front

What is 75% of 20?

Back

15

Front

How is 100,000 expressed as a power of 10?

Back

10^5

Front

Simplify: 5a + 2b - 3a + 4

Back

2a + 2b + 4

Front

A rhombus is ________ a trapezoid.

Back

Never

Front

Round off 73,999 to the nearest hundred.

Back

74,000

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the value of x in the equation 2x + 3 = 11?

Back

x = 4

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.