About
Who am I?
My Beliefs
Essays
Tutoring
Sprints
Sprints: Revisionary Edition
Book 1: Numbers to 10
Book 2: Place Value
Book 3: Addition & Subtraction
Book 4: Multiplication & Division
Book 5: Times Tables
Book 6: Measurement, Data, & Geometry
Book 7: Fractions & Decimals
Book 8: Rational Numbers, Ratios, & Percent
Book 9: Algebra, Exponents, & Geometry
Book 10: Kindergarten
Professional Development
Workshops
Workshops
Summer 2024 Workshops in Hyattsville, Maryland
Summer 2024 Workshops in Los Angeles
Singapore Math Grade Level Curriculum A Walks
Resource Books
Resource Books
Deco Trees
Pattern Sheets
Place Value Charts
Problem Solving Ladders
The Great Book of Counting
White Board Inserts and Worksheets
Teachers & Parents
Module Notes
LInks
Why Learn Math?
Number Line Fluency
The Four-Part Lesson Plan
Further Reading & Podcasts
Podcast
Contact
The Davidson Group
About
Who am I?
My Beliefs
Essays
Tutoring
Sprints
Sprints: Revisionary Edition
Book 1: Numbers to 10
Book 2: Place Value
Book 3: Addition & Subtraction
Book 4: Multiplication & Division
Book 5: Times Tables
Book 6: Measurement, Data, & Geometry
Book 7: Fractions & Decimals
Book 8: Rational Numbers, Ratios, & Percent
Book 9: Algebra, Exponents, & Geometry
Book 10: Kindergarten
Professional Development
Workshops
Workshops
Summer 2024 Workshops in Hyattsville, Maryland
Summer 2024 Workshops in Los Angeles
Singapore Math Grade Level Curriculum A Walks
Resource Books
Resource Books
Deco Trees
Pattern Sheets
Place Value Charts
Problem Solving Ladders
The Great Book of Counting
White Board Inserts and Worksheets
Teachers & Parents
Module Notes
LInks
Why Learn Math?
Number Line Fluency
The Four-Part Lesson Plan
Further Reading & Podcasts
Podcast
Contact
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Add multiples of 10 within 40
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Add without crossing the 10 within 40
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Add crossing the 10 within 40
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Add 2-digit #s & 1-digit #s within 40
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Add 2-digit #s within 40 w/o renaming
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Add 2-digit #s within 40 with renaming
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Add 2-digit numbers within 40
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Add within 40
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2, 3, & 4 as addends
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5 as an addend
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6 as an addend (3)
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7 as an addend (3)
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8 as an addend (3)
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9 as an addend (3)
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Add within 100 by making the next 10
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Add 2-digit #s making & crossing the 10
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Add crossing the 10 within 100
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Add 1 more or less than a multiple of 10
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Add 2-digit numbers within 100
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Subtract within 100 taking from the 10
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2, 3, & 4 as subtrahends (3)
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5 as a subtrahend (3)
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6 as a subtrahend (3)
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7 as a subtrahend (3)
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8 as a subtrahend (3)
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9 as a subtrahend (3)
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Subtract 1 more/less than a mult of 10
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Subtract neighboring ones digits
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Add mult of 10 to mult of 10 within 100
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Add multiples of 10 within 100
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Add within 100 without crossing the 10
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Add 2-digit #s without renaming
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Add 2-digit #s without renaming (2)
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Add multiples of 10 to 2-digit numbers
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Subtract multiples of 10 within 40
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Subtract within 100 w/o crossing the 10
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Subtract multiples of 10 from mult of 10
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Subtract multiples of 10 from 2-digit #s
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Subtract 2-digit #s without renaming
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Add & sub w/in 100 w/o crossing the 10
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Add & subtract mult of 10 within 100
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Add & subtract mult of 10 within 100 (2)
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Add & sub 2-digit #s without renaming
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Subtract crossing the 10 within 100
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Add & subtract crossing the 10 w/in 100
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