
Mean
JamWise Education Team·Updated March 2026
Definitions by grade level
The average of a set of numbers. Add them all up and divide by how many there are.
The average of a set of numbers. Add all the values and divide by how many values there are. The mean of 2, 4, and 6 is 4.
The average of a data set, found by adding all values and dividing by the number of values. Also called the arithmetic mean.
Learning context
In 5th grade math, students encounter "mean" as part of building numerical and spatial reasoning skills. At the upper elementary level, learners develop the ability to connect abstract mathematical concepts to concrete, everyday situations. Understanding this term helps students communicate their mathematical thinking with precision and builds a foundation for more advanced problem-solving in later grades.
Why music helps students learn vocabulary
Research consistently shows that pairing vocabulary instruction with music improves both recall and long-term retention. When students hear a term like "mean" embedded in a memorable melody, their brains form stronger associative connections between the word, its meaning, and the emotional context of the song.
JamWise leverages this science by generating curriculum-aligned songs for every K-8 topic. Rather than drilling definitions from a word list, students encounter terms naturally within lyrics, absorbing meaning through context and repetition. Teachers report that students who learn vocabulary through JamWise jams retain terms significantly longer than those using traditional flashcard methods.
Related vocabulary
Exponent
A small number written above and to the right of a base number that tells how many times to multiply the base by itself. In 10 to the power of 3, the exponent is 3 and it means 10 x 10 x 10.
Add decimals
Combining decimal numbers by lining up the decimal points and adding each column.
Divide decimals
Splitting a decimal number into equal groups using division.
Divide fractions
Finding how many times one fraction fits into another. Flip the second fraction and multiply.
Add fractions
Combining fractions that have the same denominator by adding the numerators.
Mixed number
A number written as a whole number and a fraction together, like 3 and 1/2.
Number line model
Using a number line to show fractions, decimals, or operations visually.
Divisor
The number you divide by. In 56 / 8 = 7, the number 8 is the divisor.