Evaluate Expressions
2x where x is 5
10
Identify the coefficient in 2x + 67
2
Write an algebraic expression for:
12 more than 8.2 times a number n
8.2n + 12
or
12 + 8.2n
5 + 6 x 8
53
What does "PEMDAS" stand for?
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
6 + x where x is 10
16
Identify the variable in 42m - 67
m
Write an algebraic expression for:
3 less than the quotient of 18 and a number m
18/m - 3
(8 + 6) × 3
42
What is 55?
3,125
50/x where x is 2
25
Identify the constant in 56mn + 67
67
DOUBLE JEOPARDY!
Write an algebraic expression for:
5.6 times the sum of 4 and a number p
5.6(4 + p)
18 ÷ 3 + 4 × 2
11
When you divide fractions, what is the phrase/rule we use?
Keep, Change, Flip!
24c + 2.5d - 10, when c = 3, and d = 2
67
What is an expression?
A number sentence without an equal sign
Write an algebraic expression for:
Adrian buys 5 Happy Meals (h) and 5 colas (c) for himself and his friends
5h + 5c
24 − [6 + (12 ÷ 3)] × 2
0
what is the formula for area of a parallelogram?
base times height
3/4x + 2/5y, where x = 4, and y = 1/2
3 1/5
Write an expression on your team's whiteboard that has 3 terms
:)
Liam has a bag of b beads. He gives 20 beads to his sister. Liam uses the remaining beads to make 4 necklaces. Write an expression that represents the number of beads on each necklace.
b-20/4
or
(b - 20) divided by 4
or
1/4(b - 20)
18 − 2² × (6 − 3) + 4
10
What is the difference between an expression and an equation?
An equation has an equal sign.