Vocabulary
What is an expression?
Evaluate 4n + 2 when n = 7
a number, m increased by 12
m + 12
Carmen has a bag of p peaches. She adds 10 peaches to the bag. Then she shares all the peaches equally among 5 friends. Write an expression that represents the number of peaches each friend receives. Show your work.
(p + 10) ÷ 5. OR (p + 10)/5
11 + 9k + 6n
How many terms?
11 is a coefficient? yes or no
3 and no
The name of the number when it is multiplied by a letter in an algebraic expression
What is a coefficient?
Evaluate (16 + a) + 6b ÷ 3 when a = 2 and b = 3
24
a number, x, tripled and increased by 5
3x + 5
The expression 24c + 10 represents the total cost, in dollars of buying c cases of cat food with a $10 shipping charge. The owner of a pet store orders 6 cases. What is the TOTAL cost of the order?
What is $154?
11 + 9k + 6n
The variable(s) are
k & n
a letter that represents a number
Evaluate the algebraic expression
5[2(c – 1) + d] when c = 8 and d = 6.
100
four less than two times a number
2x - 4
DOUBLE In a video game, players start with a score of 100 points. They earn 8 points for each gold coin and 25 points for each gem they find. Isaiah finds 3 gold coins and 2 gems. Write an expression and solve for this problem using c for gold coins and g for gems.
What is 100 + 8c + 25g?
What is 174 points?
11 + 9k + 6n
Evaluate when k = 5 and n = 4
What is 80?
Parts of an expression separated by a math operation
term
Evaluate the expression 3[a(4b – c)] for a = 2, b = 3, and c = 4.
48
the difference of 5y and 1 doubled
2(5y - 1) OR 2 x (5y - 1)
Demi starts a gardening project with
80 sunflower seeds. She plants 12 of the seeds. Then she gives 5 seeds each to some friends. Which expression represents the number of sunflower seeds Demi has left after she gives seeds to f friends?
What is 80 - 12 - 5f?
Joey buys 2 cheeseburgers, a large drink and a bag of carrot sticks for lunch. Use c for cheeseburgers and the drink was 3.19, carrot sticks were 1.99. Write an expression for this problem showing the total cost of his lunch.
2c + 3.19 + 1.99 OR
2c + 5.18
To solve for OR find the value of
evaluate
2[(10p + 5)(2y + 1) - 8] when p = 6 and y = 1
Enrico is going to a department store. T-shirts are on sale for $2 off the regular price, p. Write the expression to show Enrico bought 5 t-shirts.
5(p - 2). OR 5 x (p - 2)
The expression 24c + 12d represents the total number of cans of pet food in an online order. c represents the cases of cat food and d represents the cases of dog food. The owner of a pet store orders 6 cases of cat food and 8 cases of dog food. What is the total number of cans in the order?
What is 240 cans?
The expression 24c + 12d represents the total number of cans of pet food in an online order. c represents the cases of cat food and d represents the cases of dog food. What does the 24 represent? What does the 12 represent?
24 is the number of cans in one case to cat food.
12 is the number of cans in one case of dog food.