7x11=?
77
12x4=?
48
$9x$8=?
$72
12x8=?
96
Hunter earns $8 an hour mowing grass. He worked 3 hours last Saturday. He spent $10 at the ball game on Sunday. How much money does Hunter have left?
$14
Find the missing factor.
8x(?x2)=64
?=4
Find the missing factor.
(3x4)x?=36
?=3
Find the missing factor.
5x(?x3)=45
?=3
Write an expression for this situation:
There were 27 muffins divided equally among 9 people.
27รท9
Write an expression for this situation:
The classroom had 10 desks with 4 legs on each desk.
10x4
Write an expression for this situation:
Jim had $30 and Fran had $21. How much more money did Jim have than Fran?
$30-$21
Find the product:
5x2x2=?
20
Find the product:
2x4x3=?
24
Find the product:
6x2x3=?
36
Cathi scored 5 baskets in each of her last 4 basketball games. Each basket was worth 2 points. How many points did Cathi score in all of her games?
40 points
A letter or symbol that is used to represent an unknown quantity.
Variable
A combination of numbers and operations that represent a quantity
Expression
Mr. Spires bought 5 boxes of soccer balls. Each box has 2 soccer balls. He paid $5 for each soccer ball. How much did all the soccer balls cost?
5x2x$5=$50
Matthew had $60. He bought a video game for $25 and a DVD for $18. How much money does Matthew have left?
$60-$25-$18=$17 left
Melinda has 16 bracelets. She gives her friend 6 bracelets and gives her sister half of the rest. How many bracelets does she give her sister?
5 bracelets
A number sentence that has an equals sign.
Equation
The property which allows you to decompose a factor into smaller numbers.
Distributive Property
The property used when multiplying 3 factors that says the way that you group the factors does not change the product.
Associative Property
Mathematical processes that include addition, subtraction, multiplication, and division.
Operations
This is what you do to find the value of an expression or SOLVE the expression.
Evaluate