Mental math for grade 2
[DOC File]MCAS Math Pacing Guide Grade: 2
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2.3.2 Use the commutative and associative rules for addition to simplify mental calculations and to check results. 2.6.1 Choose the approach, materials, and strategies to use in solving problems.
[DOCX File]Second Grade Math I Can Statements
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2.OA.2- I can fluently add two 1-digit numbers using mental strategies. (within 20) I can fluently subtract two 1-digit numbers using mental strategies. (within 20) 2.OA.3- I can determine if a number is odd. I can determine if a number is even. Given an even number, I can write an equation using two equal addends. (doubles) 2…
[DOC File]Mental Math - StFX University
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Grade 2. Addition and Subtraction Facts. Note: This strategy for . addition. involves changing one number to a ten; carrying out the addition and then adjusting the answer to compensate for the original change. This strategy is useful when one of the numbers ends in 8 or 9. ... Mental Math ...
[DOCX File]Northwest Mathematics Conference
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Mental Math Checklist – Grade 2. Student’s Name: _____ Date: Skill; Observation/ Comments; Skill 1: Can say count sequence from 1 to 100 . Write notes below: [ ] Fluent up to: [ ]Confident up to: [ ] Not there yet. Skill 2: Can determine if a number is even or odd. 5. 8. 3. 1. 6. 4. 2 …
[DOCX File]Grade 2: Unit 2.OA.A.1, Represent and Solve Problems ...
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Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects, drawings, and mental math and then record each decomposition by a drawing or equation (e.g., 5 = 2 …
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