Order of Operations
Simplify the following:
7 + (6 × 52 + 3)
160
Combine Like Terms:
2x + 3 + x + 6
3x + 9
Letter used to represent one or more numbers. For example, the k or y in
8k + 2y - 4.
What is a variable.
Let a=1 and solve:
4 + 9(a + 10)
103
What is the acronym for remembering order of operations and what does it stand for?
P(arentheses)
E(xponents
M(ultiplicatino
D(ivision)
A(ddition)
S(ubtraction)
What is the value of
6 ÷ 3 + 4 × 2 ?
10
Simplify
7m + 14m – 6n – 5n + 2m
23m + -11n
The vocabulary word that means the "number in front of a variable." For example the "2" in the term 2x.
What is the coefficient.
Let x=-10 and solve:
4x + -5(x + 10)
-40
Which animal can jump higher relative to its body size?
A) Kangaroo
B) Jaguar
C) Flea
D) Elephant
C) Flea
What is the value of
6 × 4 - 12 ÷ 3 - 8 ?
12
Simplify the expression
4x² + 3x + 4y + 8x + 10x²
14x² + 11x + 4y
Terms that have the exact same variable(s) raised to the exact same exponent(s). For example, -5a and 7a in
4y - 5a + 3 + 7a.
What are like terms.
Let k=5
9 + 2k + 9(4k + -2)
181
Which weighs more?
A) A pound of feathers
B) A pound of bricks
C) A pound of water
They weigh the same (a pound is a pound)
What is the value of
20 - (3 × 22 - 5)?
13
Simplify:
2x2 - 3x + 7 – 3x2 + 4x – 7
-1x2 + 1x
The vocabulary term that means the number without a variable in an algebraic expression. For example the 5 in the expression below:
2x + 5
Let x=4 and y=-2 and solve:
3x + 3(2y + 5x) + 6y
48
Which is the only letter that does NOT appear in any US state name?
A) X
B) Q
C) Z
D) J
B) Q
What is the value of
(5 + 2)2 - 9 × 3 + 23 ?
30
Simplify:
5x2 + 7x + 2 – 2x2 + 7 + x2
4x2 + 7x + 9
Part of an expression that is added to or subtracted from another part. For example, -2x in
5 - 2x.
What are terms.
Let x=10
5(x+4) - 2(x+4)
42
How many hearts does an octopus have?
3