Mathematics decks

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by Tim Bottman on Mar 11, 2014
This 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.
by Tim Bottman on Mar 11, 2014
This 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?”.
by Tim Bottman on Mar 11, 2014
19 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.
by Tim Bottman on Mar 11, 2014
This 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.
by Tim Bottman on Mar 11, 2014
This 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.
by Tim Bottman on Mar 11, 2014
This set of facts includes all of the multiplication and division facts.
by Tim Bottman on Mar 11, 2014
This 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?”.
by Tim Bottman on Mar 11, 2014
This strategy is used for facts that have a 1 or a 2 as one of it’s addends (example: 8 + 2). Out of the 100 addition facts students will learn, 36 fall under the one-more-than and two-more-than facts. In these situations, students simply count up 1 or 2 from the greatest addend. This should be the only situation where students “count” to find their answer.
by Tim Bottman on Mar 11, 2014
Facts with a factor of 9 include the largest products but can be among the easiest to learn.
by Tim Bottman on Mar 11, 2014
This set of facts includes all of the division facts. Students should use their knowledge of multiplication and fact families to solve these facts.