Write an Expression (solve and tell what the variable represents)
100
38 x 27
1,026
100
The horse club has $55.46 in the treasury. There are 14 new members in the club and they must pay $4.50 to join the club. How much will the club have then?
$4.50 x 14 = n
n= $63.00
then
$63.00 + $55.46 = $118.46
100
60 x n = 120
n=2
100
2,357
x 38
______
18,856
7,071
-----------
25,927
did not put the 0 as the placeholder
100
Theresa's father makes $24.50 per hour. How much does he make if he works 8 hours?
$24.50 x 8 = n
n= $196.00
200
63 x 67
4, 221
200
choose the operation (or operations) you would use to solve the problem, then solve
Peter took a three-day 28 mile backpacking trip. He hiked 9 miles the first day and 11 miles the second day. How many miles did he hike the third day?
add then subtract
9 +11 = 20
then
28 - 20 = 8 He hiked 8 miles on the third day
200
5 x n = 4500
n = 900
200
230
x 5
______
11,500
too many 0's
200
Theresa's father works 5 days a week for 48 weeks a year. How many days does her father work in 1 year?
5 x 48 =n
n = 240 days
300
93 x 56
5,208
300
4 x n = 32000
n = 800
300
+1 11
4,567
x 12
_____
9134
+55670
_____________
54,804
multiplies the tens incorrectly ( 4x1)
300
The football team is raising money for new footballs. How much money does the team need to raise if it wants 6 new footballs and each one costs $17.93
6 x $17.93 =n
n= $107.58
400
37 x 46
1, 702
400
903 x 70 =
n = 63,210
400
+11
679
x 20
________
12,580
forgot to add the 1 above the 6
400
A civil engineer counted the cars that passed through an intersection. If 2457 cars passed through the intersection in on hour, how many cars would pass through the intersection in 8 hours?
2,457 x 8 = n
n = 19,656 cars
500
23 x 17
391
500
467 x 50=
23,350
500
329
x 23
______
987
+ 6580
______
7,567
Nothing is wrong with this problem!!
500
Each floor of a nine-story office building has 132 windows.
Write an equation you would use to find the total number of windows. How many window are there in all?