Operations with Decimals
One Step Equations
Evaluating for Variable
Writing Equations
Writing Expressions
100
13 - 0.35
12.65
100
x+ 6.8 = 9.3
x= 2.5
100
Evaluate for x = 5 1.2 x
=6
100
Complete the equation ____ % 0.05 = 20
=1
100
Jesse does his friends homework for $5, plus $2.25 per page of homework. Write an expression for the total amount of money Jesse earns for doing one students homework p pages long.
$5 + $2.25p
200
Estimate then find the answer. 5.234 + 2.9 + 6.74
Estimate = 15 Answer = 14.874
200
4.7 = x - 6.2
x= 10.9
200
Evaluate 5 (x+3) for x =9
= 60
200
Its going to be John's birthday, and 6 of his friends are all going to give him to same amount of money. They give him $48 in total. Write an equation and figure out how much each friend gives him.
6x = 48 x= 8 Each friend gives him $8
200
Evaluate the expression above for a homework assignment that is 23 pages long.
$5 + 2.25 (23) =$56.75
300
A man throws a frisbee three times one day. His distances are 8.3 meters, 17.5 meters, and 18.5 meters. What is the total distance he threw the frisbee that day?
44.3 meters
300
c % 7 = 56
8
300
Evaluate 4(x+4) for x =10
56
300
Jeff wrote a check for $38. He subtracted this amount from his checking account and saw his balance was $453 after writing the check. What was his balance before writing the check? Write an equation and solve.
C-38 =453 c= $491
300
Austin is two inches more than three times as tall as his youngest sister. If his sister is h inches tall, write an expression that tells how tall Austin is. a. 3h -2 c. 3h + 2 b. 2h-3 d. 2h + 3
3h + 2 Two more than three times h
400
34,293.7 - 29,281.8 is (equal to, less than, greater than) 5,213.9
Less Than (5011.9)
400
7.2 = 0.6 x
x = 12
400
Evaluate 2x -5 for x =10
15
400
Time (t) Price (p) 1 $13 3 $39 6 $78 9 $117 What is the expression for P in the chart above?
13*t
500
James has $69.32 in his bank account. He takes out $24.12. How much money does he have left in his account?
$45.20.
500
t % 4 = 12
t = 48
500
Evaluate 7(x+8) for x = 2
70
500
NOT EQUATION BUT IDENTIFY THE PROPERTY AND SOLVE 3.5 + (2.9 + 8.2) = (____ + 3.5) + 8.2
3.5; associative property of addition
500
Write a table for 4x + 2, using values 1,2, and 3 for x.
x 4x+2 1 6 2 10 3 14