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Mathematics: explore STEM content (page 18 of 23) · openstem

All fields Software Mathematics Physics Chemistry Biology Engineering Astronomy Environmental Other Mathematics Mathematics groups

Explore STEM Content

Search the community's STEM library — free to study, yours to make your own.

Mathematics

Algebra, calculus, proofs and statistics on openstem — flashcards, notes, quizzes and plots shared by the community. Study free, or clone anything into your library.

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Flowchart7 objects

Mathematics

Mathematics · L2 · Data Displays: Dot Plots & Frequency Tables · flowchart

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Mathematics · L2 · Data Displays: Dot Plots & Frequency Tables · flowchart

Flowchart14 objects

Mathematics

Mathematics · L3 · Solving an Oblique Triangle, Start to Finish

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Mathematics · L3 · Solving an Oblique Triangle, Start to Finish

Flowchart11 objects

Mathematics

Mathematics · L3 · Algorithms & Big-O Basics

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Mathematics · L3 · Algorithms & Big-O Basics

Flashcards5 cards

What does the 2 mean in the number 24?1 / 5

The 2 is in the tens place. It means 2 tens, which is 20. The 4 is 4 ones.

Mathematics

Mathematics · L1 · Place Value: Tens and Ones

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Mathematics · L1 · Place Value: Tens and Ones

Note~276 words · 1 min

Different rules on different stretches A piecewise function uses one rule here and a different rule there. To evaluate it, first find which interval your x lives in, then apply only that piece. The floor function is a staircase The greatest

Mathematics

Mathematics · L3 · Piecewise Functions & Step Functions

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Mathematics · L3 · Piecewise Functions & Step Functions

Flowchart13 objects

Mathematics

Mathematics · L5 · Point-Set Topology: Open Sets, Continuity, and Compactness · flowchart

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Mathematics · L5 · Point-Set Topology: Open Sets, Continuity, and Compactness · flowchart

Flowchart9 objects

Mathematics

Mathematics · L2 · Probability Scale

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Mathematics · L2 · Probability Scale

Collection2 items

01Mathematics · L4 · Regression & Predictive Modelling

02Mathematics · L4 · Bayesian Statistics — Thinking in Probability

Mathematics

Mathematics · L4 · Regression & Bayesian Methods

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Mathematics · L4 · Regression & Bayesian Methods

Collection28 items

01Mathematics · L2 · Mean, Median, and Mode

02Mathematics · L2 · Simple Probability

03Mathematics · L2 · Range, Outliers & Data Spread

+25 more

Mathematics

Mathematics · L2 · Statistics

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Mathematics · L2 · Statistics

Flowchart11 objects

Mathematics

Mathematics · L1 · Coins and Their Values

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Mathematics · L1 · Coins and Their Values

Flowchart15 objects

Mathematics

Mathematics · L2 · Multi-Step Equations & Inequalities · flowchart

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Mathematics · L2 · Multi-Step Equations & Inequalities · flowchart

Flowchart15 objects

Mathematics

Mathematics · L2 · Function Tables & Input-Output Rules

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Mathematics · L2 · Function Tables & Input-Output Rules

Flowchart13 objects

Mathematics

Mathematics · L2 · Solving an Equation with Variables on Both Sides

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Mathematics · L2 · Solving an Equation with Variables on Both Sides

Flashcards9 cards

What is a partial derivative ∂f/∂x of f(x,y)?1 / 9

The rate of change of f with respect to x, holding y fixed — differentiate normally, treating every other variable as a constant.

Mathematics

Mathematics · L4 · Multivariable Calculus — Partial Derivatives & Optimization

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Mathematics · L4 · Multivariable Calculus — Partial Derivatives & Optimization

Collection25 items

01Mathematics · L3 · Linear Equations & Inequalities

02Mathematics · L3 · Quadratics

03Mathematics · L3 · Systems of Linear Equations

+22 more

Mathematics

Mathematics · L3 · Algebra

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Mathematics · L3 · Algebra

Flowchart7 objects

Mathematics

Mathematics · L2 · Multiplying & Dividing Integers · flowchart

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Mathematics · L2 · Multiplying & Dividing Integers · flowchart

Quiz6 questions

A $50 jacket is 30% off. What is the sale price?

A$15B$35C$65D$80

Mathematics

Mathematics · L2 · Percent Applications: Discount, Tax & Tip

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Mathematics · L2 · Percent Applications: Discount, Tax & Tip

Quiz6 questions

What is the main purpose of a frequency table?

ATo list each distinct value in a data set alongside how many times it occursBTo show only the largest value in a data setCTo randomly shuffle a list of dataDTo calculate the mean of a data set

Mathematics

Mathematics · L2 · Data Displays: Dot Plots & Frequency Tables

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Mathematics · L2 · Data Displays: Dot Plots & Frequency Tables

Flashcards5 cards

You have 3 red apples and 2 green apples. How many apples are there?1 / 5

There are 5 apples. Count them all together: 3 + 2 = 5.

Mathematics

Mathematics · L1 · Counting and Sorting

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Mathematics · L1 · Counting and Sorting

Note~111 words · 1 min

Pictures instead of numbers A pictograph shows data using pictures, and each picture stands for a number. Imagine your class voted for a favourite fruit: apples 🍎🍎🍎, bananas 🍌🍌, grapes 🍇🍇🍇🍇. If each picture is 1 vote, apples got 3, bananas

Mathematics

Mathematics · L1 · Reading a Pictograph

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Mathematics · L1 · Reading a Pictograph

Flowchart12 objects

Mathematics

Mathematics · L3 · Graph Theory Basics

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Mathematics · L3 · Graph Theory Basics

Flowchart14 objects

Mathematics

Mathematics · L1 · Coin Recognition & Values · flowchart

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Mathematics · L1 · Coin Recognition & Values · flowchart

Flowchart7 objects

Mathematics

Mathematics · L3 · Logic & Truth Tables · flowchart

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Mathematics · L3 · Logic & Truth Tables · flowchart

Note~216 words · 1 min

Counting without listing How many passwords, seating plans, card hands? Break it into steps and multiply. The fundamental counting principle m ways for the first choice, n for the second, so m × n altogether. Extend it to as many steps as y

Mathematics

Mathematics · L3 · Permutations, Combinations & Probability

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Mathematics · L3 · Permutations, Combinations & Probability

Quiz3 questions

One tally bundle (4 lines crossed by 1) equals how many?

A4B5C6D10

Mathematics

Mathematics · L1 · Tally Marks and Counting

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Mathematics · L1 · Tally Marks and Counting

Quiz6 questions

What is the distance between (0, 0) and (3, 4)?

A5B7C25D12

Mathematics

Mathematics · L3 · Coordinate Geometry

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Mathematics · L3 · Coordinate Geometry

Quiz5 questions

The long hand points to 12 and the short hand points to 5. What time is it?

A5 o'clockB12 o'clockCHalf past 5D6 o'clock

Mathematics

Mathematics · L1 · Telling Time & Calendars

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Mathematics · L1 · Telling Time & Calendars

Quiz4 questions

What is sin 45°?

A\frac{\sqrt{2}}{2}B1/2C\frac{\sqrt{3}}{2}D1

Mathematics

Mathematics · L3 · Unit Circle & Graphs of Sine and Cosine

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Mathematics · L3 · Unit Circle & Graphs of Sine and Cosine

Note~165 words · 1 min

Numbers have two jobs The words, 1st to 10th In a race The runner who is 1st crossed before everyone. The runner who is 4th crossed after three others. Those words describe a SPOT, not a count. Both at once A queue can be described both way

Mathematics

Mathematics · L1 · Ordinal Numbers & Ordering

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Mathematics · L1 · Ordinal Numbers & Ordering

Flowchart9 objects

Mathematics

Mathematics · L3 · Solving a Linear Equation

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Mathematics · L3 · Solving a Linear Equation

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