## Operations & Algebraic Thinking

Addition with Missing Numbers(Match the missing number to its correct value) |
Algebra @ Harcourt(Activities for Patterns, Input/Output Tables, Rules, Order of Operations, Properties, Equations, Expressions & Exponents) |
Algebra @ StudyJams(Lessons, tutorials, videos, karaoke, practices & more) |
Algebra & Functions(Use these practice activities to get to know algebra & functions) |

Algebra Help @ FreeMathHelp(More than 40 free, text-based algebra lessons) |
Bracket Basics(Practice doing the operations in the brackets first) |
Factorize(Visually explore the concept of factors by creating rectangular arrays. The length & width of the array are factors of your number) |
Greatest Common Factor@ StudyJams (Watch the step-by-step tutorial then test yourself) |

Make 24(Arrange the cards & the arithmetic signs into a formula that yields 24) |
Make X(Arrange the cards & arithmetic signs into a formula that yields x, which is the number to make) |
Multiples @ StudyJams(Watch the step-by-step tutorial then test yourself) |
Multiples, Factors, Primes & Composites(Watch the video & click Play when appropriate) |

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Concrete & Pictorial Patterns(Explore simple pictorial, rhythmic & symbolic linear patterns at the Penguin Parade) ***** |
Crack the Code(Crack the code on the safe to open it) ***** |
Equations & Inequalities(Play a pan balance game to explore equations & inequalities) ***** |
Patterns, Relationships & Functions(Play the In/Out Machine game & explore patterns, relationships & functions) ***** |

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Page updated October 12, 2018