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Math · 6th Grade
The Mean
The number every value would be if the total were shared out equally.
How to use it
Ask what would happen to the mean if you added one enormous value. That is the weakness.
Free · print-ready PDF · US Letter and A4
- Grade
- 6th Grade
- Ages
- 11–12
- Subject
- Math
- Pages
- 1
The rest of the 6th Grade wall
49 more posters, all free to print — 11 of them here.
Adding IntegersSame signs add, different signs subtract — and the sign follows the bigger one.Subtracting IntegersEvery subtraction is an addition wearing a disguise.Multiplying and Dividing IntegersCount the minus signs. Even means positive, odd means negative.Absolute ValueDistance from zero — which is never negative, however negative the number is.RatiosPart to part, or part to whole — and why mixing them up changes the answer.Unit RateHow much for exactly one — the number that makes any two deals comparable.Percent of a NumberTwo reliable methods, and the benchmarks worth doing in your head.The Three Percent QuestionsFind the part, find the percent, or find the whole — one setup handles all three.Algebra VocabularyTerm, coefficient, constant, variable — the four words every question assumes.Combining Like TermsOnly terms with identical variable parts can be added together.The Distributive PropertyMultiply everything inside the bracket — including the term you keep forgetting.