MS Math 2A Unit 1 Test

Front

What is the equivalent expression for d + d + d + 3 + 2?

Back

3d + 5

Front

If Jordan ate 8/12 of a pizza and Michael ate 1/3 of a pizza, who ate more and by how much?

Back

Jordan ate more by 4/12.

Front

What is the sum of -4 + (-5) on a number line?

Back

-9

Front

What is the result of -96 ÷ (-8)?

Back

12

Front

Simplify the expression 2r + 2 + 5r - 2 + r.

Back

8r.

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does it mean to combine like terms?

Back

To add or subtract terms that have the same variable raised to the same power.

Front

What is a fraction?

Back

A part of a whole, represented as a numerator over a denominator.

Front

How do you find a common denominator for two fractions?

Back

By finding the least common multiple of the denominators.

Front

What is the definition of an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.