Addition
7 + 2 + 8 =
What is 17
what is 16 - 9
what is 7
8 * 9 =
what is 72
Something goes from 5 to 7
To - From
-----------
From times 100
40%
An object weights 10kg
On sarah's balance it weights 8KG. What is the % error of the balance?
20%
11 + 3 + 9 =
what is 23
what is 8 - 1 - 3 =
What is 4
What is 8 x 6 =
what is 48
From 6 to 9
50%
Joe ran the 100 meters in 12 seconds.
My stopwatch timed him at 9 seconds. What is the % error of my stopwatch?
25%
43 + 66 = ?
What is 109
23 - 8 =
what is 15
12 * 7 =
What is 84
From 2 to 10
400%
The school lunch is 500 calories.
I measured the lunch as having 575 calories.
What was my percent error.
15%
53 + 5 + 37
what is 95
68 - 39
What is 29
18 * 6
what is 108
From 55 to 88
60%
142 + 263
what is 405
312 - 189
What is 123
137 x 23
what is 3,151
From 675 to 621
-8%