# Mathematics decks

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**Tim Bottman**on Mar 11, 2014This set of facts includes all the turn‐around facts for the twos facts. Students should use their knowledge of multiplication and fact families to solve these facts.

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**Tim Bottman**on Mar 11, 201419 facts have zero as one of the addends. Although these facts seem to be the simplest of all, some students will overgeneralize the idea that answers to addition are bigger. Putting these facts into real life situations oftentimes help the students to reinforce the zero rule.

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**Tim Bottman**on Mar 11, 2014This set of facts includes all the turn-around facts for the inside doubles. Students should use their knowledge of addition and fact families to solve these facts. For example, when solving 8 - 5, the student should ask, “What plus 5 equals 8?”.

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**Tim Bottman**on Mar 11, 2014This set of facts includes all the turn-around facts for facts of zero. Students should use their knowledge of zero to help them determine the difference of each fact.

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**Tim Bottman**on Mar 11, 2014This set of facts includes all of the division facts. Students should use their knowledge of multiplication and fact families to solve these facts.

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**Tim Bottman**on Mar 11, 2014This set of facts includes all of the multiplication and division facts.

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**Tim Bottman**on Mar 11, 2014This group consists of all facts with 5 as the first or second factor. Fives facts are learned can be learned quickly because students have been counting by fives since grade 1.

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**Tim Bottman**on Mar 11, 2014There are only 15 remaining facts to learn after the previous facts have been mastered. Use other known facts to help find the more difficult facts.

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**Tim Bottman**on Mar 11, 2014This set of facts includes all the turn-around facts for the make ten facts. Students should use their knowledge of addition and fact families to solve these facts. For example, when solving 11 - 8, the student should ask, “What plus 8 equals 11?”.

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**Tim Bottman**on Mar 11, 2014Facts with a factor of 9 include the largest products but can be among the easiest to learn.