Subtraction with regrouping

Subtraction with regrouping
Subtraction with regrouping
Subtraction with regrouping
Subtraction with regrouping
Subtraction with regrouping
Subtraction with regrouping
Subtraction with regrouping
Subtraction with regrouping
Created BySusan Starr
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PDF (193 KB|7 pages)
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Subtraction with regrouping in the tens and ones . Even/Odd
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Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.
Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Total Pages
7 pages
Answer Key
N/A
Teaching Duration
1 hour
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