Patterns
Write the next two terms in the pattern.
3, 5, 7, ...
9, 11
Evaluate the expression.
x + 5 for x = 3
8
Write an expression for the word phrase.
n more than 20
n + 20
Tell whether the equation is true, false or open.
v + 5 = 15
open
Find the missing numbers.
8 x (9 + 4) = ( ___ x 9) + (8 x ___)
8, 4
Write the next two terms in the pattern.
60, 50, 40, ...
30, 20
Evaluate the expression.
7n for n=4
28
Write an expression for the word phrase.
12 decreased by j
12 - j
Tell whether the equation is true false or open.
6 + 3 = 9
True
Find the missing numbers.
4 x (5 - 1) = ( 4 x ___ ) - ( ___ x 1)
5, 4
Write the first three terms of the pattern.
Start with 2 and add 4 repeatedly.
2, 6, 10
Evaluate the expression.
3m for m=9
27
What is the difference between an expression and an equation?
An equation has an equal sign and an expression does not.
Solve the equation.
h - 1.5 = 2.6
h = 4.1
Find the missing numbers.
4(5 - a) = ( 4 x 5 ) - (4 x ___)
a
Write the first three terms of the pattern.
Start with 3 and multiply 2 repeatedly.
3, 6, 12
Evaluate the expression.
24 - t for t=10
14
Draw algebra tiles to model the expression.
4x + 2
4 rectangles and 2 squares
Solve the equation.
2n=200
200/2 = 100
n=100
Find the missing numbers.
7(a + b) = ( ___ x a) + ( 7 x ___ )
7, b
Write a rule for the pattern.
8, 11, 14, ....
Start with 8 and add 3 repeatedly.
Evaluate the expression.
2n - 8 for n=10
20 - 8 = 12
Draw algebra tiles to model the expression.
3x + 5
3 rectangles and 5 squares
Solve the equation.
h/10=15
15 x 10 = 150
h=150
Use the distributive property to simplify.
5 x 48
(5 x 40) + (5 x 8)
200 + 40 = 240