True or false: one is a prime number?

An obtuse angle must have less than how many degrees?

Which of the following numbers can be divided exactly by 3: 248, 276, 286, 297?

What is 49,123 + 27,586?

How many ml are there in 1.8L ?

0.75 x ? = 75%

Can you round the following decimals to 1 decimal place: 5.56, 7.44, 9.35?

How many lines of symmetry does a rectangle have?

80% of 100 = 40% of ?

To find out the inverse sine, cosine, tangent of an angle, what button must be pressed on a calculator before pressing either sin, cos or tan?