Open Middle®
Directions: Using the digits 1 to 9, at most one time each, place a digit in each box so that the equation is a true statement.
Hint
The integral represents the area under the curve. What does this look like on a graph?
Answer
Multiple answers.
Integral from 2 to 4 of 3x-5 equals 8. (This would have to be formatted as an equation).
Source: Daniel Torres-Rangel
Please consider revising the stem to replace “the numbers 1-9” with either “the integers 1-9” or “the digits 1-9”. Although I expect that was the author’s intended number set, as written it is ambiguous.
Thank you!
Agreed Diana. I’ll make the change.
I love these activities. I just put this one into Desmos Activity builder to use it as a warm up.
https://teacher.desmos.com/activitybuilder/custom/5e6a44613164c60cb5588c2b
Thanks!