Scaffolded double and triple digit addition and subtraction
M ann M Designs
13 Followers
Grade Levels
1st - 4th
Subjects
Resource Type
Standards
CCSS1.NBT.C.4
CCSS2.NBT.B.5
CCSS2.NBT.B.7
CCSS3.NBT.A.2
Formats Included
- Google Slides™
Pages
12 pages
M ann M Designs
13 Followers
Made for Google Drive™
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Description
This product has scaffolded worksheet and work mats for teaching partial sums and partial differences with both double digit and triple digit numbers. This allows students to learn the steps with out making mistakes of lining numbers up correctly or losing track of what they have done. As the student progresses they can use less and less scaffold moving from already filled out worksheets to just using grid paper to line up numbers to finally being able to do it independently on blank paper.
Total Pages
12 pages
Answer Key
N/A
Teaching Duration
N/A
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Standards
to see state-specific standards (only available in the US).
CCSS1.NBT.C.4
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.
CCSS2.NBT.B.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
CCSS2.NBT.B.7
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.
CCSS3.NBT.A.2
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.
Reviews
Questions & Answers
13 Followers
