6.7A-D STAAR review

Front

What is the distributive property?

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 equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (e.g., 5 + 8 = 13).

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) without an equal sign (e.g., 5 + 7).

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors. For example, the prime factorization of 110 is 2 × 5 × 11.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables involved. For example, 9(6 + x) and 9 × 6 + 9 × x are equivalent.

Front

What is the difference between an equation and an expression?

Back

An equation contains an equal sign and states that two expressions are equal, while an expression does not have an equal sign and represents a value.

Front

What is the value of 5(a + 6) when a = 2?

Back

5(2 + 6) = 5 × 8 = 40.

Front

What is the prime factorization of 36?

Back

The prime factorization of 36 is 2 × 2 × 3 × 3 or 2^2 × 3^2.

Front

What is the result of 6 ⋅ (x + 3)?

Back

6 ⋅ (x + 3) = 6x + 18, using the distributive property.

Front

What is the sum of 5 + 7?

Back

The sum of 5 + 7 is 12.