Common assessment 7 review at home

Front

Evaluate when a = 15: 2(a - 5) + 2^3

Back

28

Front

Identify the variable in the expression 3x + 9

Back

x

Front

Sarah is having a party, and she buys decorations that cost $50. For every person (p) that comes to the party, she spends an additional $3 on party favors. If 6 people attend the party, how much money does Sarah spend in total?

Back

68

Front

Write the expression for the cost of materials that is 12 dollars more than five times the amount of wood (w).

Back

5w + 12

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting the variables with numbers.

Front

What is the expression for the total cost if a shirt costs $20 and you buy 'n' shirts?

Back

20n

Front

If the expression is 4x + 7, what is the coefficient of x?

Back

4

Front

What is the term for a number that is multiplied by a variable in an expression?

Back

Coefficient