STAAR Review 1

Front

What is the equation for 'Eight less than four times a number is the same as three times the number increased by 24'?

Back

4x - 8 = 3x + 24

Front

How do you write 6.57 X 10^-7 in standard form?

Back

0.000000657

Front

How do you express 0.0000051 in scientific notation?

Back

5.1 X 10^-6

Front

True or False: To find the square root of a number, you must divide it by 2.

Back

False

Front

What is the best approximation for √48?

Back

6.9

Front

What does scientific notation allow us to do?

Back

It allows us to express very large or very small numbers in a compact form.

Front

What is the standard form of a number?

Back

It is the usual way of writing numbers without exponents.

Front

What is the square root of a number?

Back

It is a value that, when multiplied by itself, gives the original number.

Front

What is the purpose of approximating square roots?

Back

To find a value that is close to the actual square root, making calculations easier.

Front

What is the difference between standard form and scientific notation?

Back

Standard form is the usual way of writing numbers, while scientific notation expresses numbers as a product of a number between 1 and 10 and a power of 10.