About

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

Infusing Dynamism into Daily Problem Solving

Place Value Charts

Problem Solving Ladders

The Great Book of Counting

White Board Inserts and Worksheets

Teachers & Parents

Why Learn Math?

Number Line Fluency

The Four-Part Lesson Plan

Further Reading & Podcasts

The Davidson Group

About

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

Infusing Dynamism into Daily Problem Solving

Place Value Charts

Problem Solving Ladders

The Great Book of Counting

White Board Inserts and Worksheets

Teachers & Parents

Why Learn Math?

Number Line Fluency

The Four-Part Lesson Plan

Further Reading & Podcasts

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Add within 40

8Add within 40.png

8Add within 40.png

Add within 40

$0.99

1.NBT.4, 2.NBT.5

Add To Cart

Less Challenging

Add 2-digit numbers within 40
Add 2-digit #s within 40 with renaming

More Challenging

Add 2-digit numbers within 100

The Davidson Group

7085 Charmant Drive

San Diego, CA 92122

717-679-6197

© Bill Davidson. 2020. All Rights Reserved

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