2-Digit Addition and Subtraction Unit Assessment

2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
2-Digit Addition and Subtraction Unit Assessment
Created BySherry Evert
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File Type
PDF (104 KB|4 pages)
Standards
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  • Product Description
  • Standards
This is a quick assessment to give students after a unit on 2-digit addition and subtraction.
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Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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 and explain the reasoning used.
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, 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 and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Total Pages
4 pages
Answer Key
Not Included
Teaching Duration
N/A
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