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
Resource Books
Resource Books
Infusing Dynamism into Daily Problem Solving
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
Resource Books
Resource Books
Infusing Dynamism into Daily Problem Solving
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 3-digit numbers in the 90s
Add 3-digit numbers in the 90s
$0.99
2.NBT.7
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Less Challenging
Add 3-digit numbers to 99, 98, & 95
Subtract within 100 taking from the 10
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