Total up all the numbers in a set & divide by the number of numbers to get this, also called the mean
the average
To cut, or a short segment of a movie or TV show
clip
There's not just "one" strategy for this game, but a few, like discarding "wild draw 4" cards & using "reverse" & "skip" adeptly
Uno
This property says that the order in which you multiply 3 or more numbers doesn't matter; the product will be the same
the associative property
Happening at present, or something that's measured in amperes
current
Here's the skip lining up a shot in this icy sport
curling
You'll learn about matrices & vectors in the linear form of this branch of math
algebra
The creator of a company, or to sink
founder
Skippy is a brand of this, available in Creamy & Super Chunk
peanut butter
A top predator might perch on this, the uppermost vertex of a pyramid or cone
the apex
A substance applied to give a shine to a surface, or an explanation of a difficult passage in a text
a gloss
To survive outside of water, the fish called a mudskipper traps air in the chambers of these organs
gills
The wavy lines in the expression seen here stand for this

approximately (equal to)
To complain, or a bird also known as the prairie chicken
a grouse
If it feels as if your heart has skipped a beat, you might have heart these, from the Latin for "throbbing"
palpitations