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 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 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
Filter: 1.OA6
All
1.NBT.4
1.NBT.5
1.NBT.6
1.OA.8
1.OA6
2.NBT.5
2.NBT.6
2.NBT.7
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2.OA.1
2.OA.2
2.OA.3
6.EE.3
6.NS.4
Subtract within 20 without crossing 10
$0.99
Subtract within 20 w/o crossing 10 (2)
$0.99
Add & sub within 20 w/o crossing 10
$0.99
Add & subtract crossing 10 within 20
$0.99
Add by making 10 with 2 & 5 as addends
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Add by making 10 with 3 & 4 as addends
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Add by making 10 with 6 as an addend
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Add by making 10 with 7 as an addend
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Add by making 10 with 8 as an addend
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Add by making 10 with 9 as an addend
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Add 3 single-digit #s by making 10
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Add 3 single-digit #s by making 10 (2)
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Add 3 single-digit #s by making 10 (3)
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2 & 5 as addends (2)
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2 & 5 as addends
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3 & 4 as addends (2)
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3 & 4 as addends
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6 as an addend (2)
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6 as an addend
$0.99
7 as an addend (2)
$0.99
8 as an addend (2)
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8 as an addend
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9 as an addend (2)
$0.99
Add crossing 10 within 20
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Equivalent number sentences
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2, 3, & 4 as subtrahends
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2, 3, & 4 as subtrahends (2)
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5 as a subtrahend
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5 as a subtrahend (2)
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7 as a subtrahend
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8 as a subtrahend
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8 as a subtrahend (2)
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9 as a subtrahend
$0.99
9 as a subtrahend (2)
$0.99
Subtract crossing 10 within 20
$0.99
Equivalent number sentences (2)
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Commutative Property of Addition (2)
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