19-1 and 19-2 Formative Assessment

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication to each addend.

Front

What is an equivalent expression?

Back

An equivalent expression is a different expression that has the same value for all values of the variables involved.

Front

Evaluate the expression: 2(r + y) when r = 3 and y = 4.

Back

14

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

Find an equivalent expression for: 36x + 24.

Back

2(18x + 12)

Front

Use the distributive property to simplify: 5(2f + 4).

Back

10f + 20

Front

What is the result of evaluating 2a + 6b when a = 4 and b = 5?

Back

38

Front

What is the first step in using the distributive property?

Back

Multiply the term outside the parentheses by each term inside the parentheses.

Front

If 2(r + y) = 2r + 2y, what property is being used?

Back

The distributive property.

Front

What is the equivalent expression for: 4(9x + 7)?

Back

36x + 28