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Mathematics

Pre-Algebra

Integers, fractions, percents and equations that get you ready for Algebra 1.

  • 10 chapters
  • 30 lessons
  • 30 visual guides
  • All free
Start hereNumber Properties and Order of OperationsNumbers and Mathematical Reasoning · Learn order of operations, distributive property.Start lesson

Chapters

1

Numbers and Mathematical Reasoning

Pre-Algebra: numbers and mathematical reasoning. Review before publishing.

3 lessons

Flashcards Practice test
  1. 1.1Number Properties and Order of OperationsLearn order of operations, distributive property.Visual guide
  2. 1.2Factors Multiples and PrimesLearn greatest common factor, least common multiple, primes and composite numbers.Visual guide
  3. 1.3Estimating and Checking ReasonablenessLearn rounding and place value, checking magnitude.Visual guide
2

Integers and Rational Numbers

Pre-Algebra: integers and rational numbers. Review before publishing.

3 lessons

Flashcards Practice test
  1. 2.1Positive and Negative NumbersLearn signed numbers and opposites, absolute value.Visual guide
  2. 2.2Operations with IntegersLearn adding signed numbers, multiplying signed numbers.Visual guide
  3. 2.3Fractions Decimals and Rational NumbersLearn adding fractions, dividing fractions, multiplying fractions, fractions and decimal notation.Visual guide
3

Ratios and Proportions

Pre-Algebra: ratios and proportions. Review before publishing.

3 lessons

Flashcards Practice test
  1. 3.1Equivalent RatiosLearn equivalent ratios, simplifying ratios.Visual guide
  2. 3.2Unit RatesLearn unit rates, average speed.Visual guide
  3. 3.3Solving ProportionsLearn solving proportions, scale drawings.Visual guide
4

Percents and Applications

Pre-Algebra: percents and applications. Review before publishing.

3 lessons

Flashcards Practice test
  1. 4.1Percent of a QuantityLearn percent of a quantity, finding a percentage.Visual guide
  2. 4.2Percent Increase and DecreaseLearn percent increase, percent decrease.Visual guide
  3. 4.3Tax Discounts and Simple InterestLearn sales tax and total cost, simple interest.Visual guide
5

Expressions and Variables

Pre-Algebra: expressions and variables. Review before publishing.

3 lessons

Flashcards Practice test
  1. 5.1Writing ExpressionsLearn writing expressions, subtraction in words.Visual guide
  2. 5.2Evaluating ExpressionsLearn substitution, negative inputs and powers.Visual guide
  3. 5.3Combining Like Terms and the Distributive PropertyLearn combining like terms, distributive property.Visual guide
6

Equations and Inequalities

Pre-Algebra: equations and inequalities. Review before publishing.

3 lessons

Flashcards Practice test
  1. 6.1One-Step EquationsLearn additive inverse operations, multiplicative inverse operations.Visual guide
  2. 6.2Multi-Step EquationsLearn multi-step equations, variables on both sides.Visual guide
  3. 6.3One-Variable InequalitiesLearn inequality solution sets, reversing an inequality.Visual guide
7

Coordinate Plane and Patterns

Pre-Algebra: coordinate plane and patterns. Review before publishing.

3 lessons

Flashcards Practice test
  1. 7.1Ordered Pairs and GraphingLearn ordered pairs, coordinate moves.Visual guide
  2. 7.2Tables and PatternsLearn arithmetic patterns, input-output tables.Visual guide
  3. 7.3Introduction to Linear RelationshipsLearn constant rate of change, initial value.Visual guide
8

Geometry and Measurement

Pre-Algebra: geometry and measurement. Review before publishing.

3 lessons

Flashcards Practice test
  1. 8.1Angle RelationshipsLearn complementary angles, supplementary angles.Visual guide
  2. 8.2Perimeter and AreaLearn perimeter, triangle area.Visual guide
  3. 8.3Surface Area and VolumeLearn surface area, prism volume.Visual guide
9

Data and Probability

Pre-Algebra: data and probability. Review before publishing.

3 lessons

Flashcards Practice test
  1. 9.1Reading and Creating GraphsLearn reading category counts, comparing graph values.Visual guide
  2. 9.2Measures of Center and VariabilityLearn arithmetic mean, range.Visual guide
  3. 9.3Simple ProbabilityLearn equally likely probability, complement events.Visual guide
10

Algebra Readiness

Pre-Algebra: algebra readiness. Review before publishing.

3 lessons

Flashcards Practice test
  1. 10.1Slope as Rate of ChangeLearn slope from two points, horizontal and vertical lines.Visual guide
  2. 10.2Writing Simple Linear EquationsLearn slope-intercept models, using a point to find an intercept.Visual guide
  3. 10.3Mixed Problem-Solving and ModelingLearn fixed and variable costs, solving a contextual model.Visual guide