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To find 50% of a number, divide the number 2

Since 100% of a number is the number itself, it follows that 200% of a number would be twice the number.

We substitute given numbers for each variable and perform the necessary calculations in the proper order

If the base of an exponential expression is a fraction, the exponent tells us how many times to write that fraction as a factor

Expressions can involve repeated subtraction or combinations of subtraction and addition. To evaluate them, we use the order of operations rule.

To evaluate a formula, we replace its letters, called variables, with specific numbers and evaluate the right side using the order of operations rule.

Practice your knowledge about vocabulary in algebra

Practice some essential vocabulary when you simplify algebraic expressions

These are some fundamental vocabulary questions in geometry

Test your knowledge in basic concepts in algebra