Decoding Strategy Chart
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Good at Math® First Grade Unit 3: Addition and Subtraction Strategies
Good at Math® First Grade is a 12 unit 1st Grade math curriculum for classroom and homeschool learning environments. Each unit comes with detailed daily lesson plans, posters, teaching tools, anchor chart elements, games, center materials, independent practice, no prep printables, end of unit assessment, a Mini PBL unit, and bonus practice materials for additional skill exposure. The detailed lesson plans include a title, postable lesson goal, lesson materials list, warm up fluency practice that
1st - 2nd
Basic Operations, Numbers, Other (Math)
2nd Grade Math Center Task Cards | Add and Subtract to 1,000 | CCSS 2.NBT.B.7
2nd Grade Math Center Activity Task Cards | Add and Subtract to 1,000 | CCSS 2.NBT.B.7This set includes 24 task cards designed to help students practice adding and subtracting using a place value chart. ✨ Aligned with CCSS.Math.Content.2.NBT.B.7Add 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
2nd
Basic Operations
CCSS
2.NBT.B.7
Also included in: 2nd Grade Math Center Activity Review Task Cards BUNDLE | CCSS 2.NBT
FLAME Math Curriculum: Unit 4 -Learning Teen Numbers 11- 20/Growing 100's Chart
FLAME: Unit 4 builds confident understanding of teen numbers through clear, intentional, and developmentally appropriate instruction. Students learn the structure of numbers 11–19 and explore number 20, building a strong foundation for place value. This unit also introduces the Growing 100’s Chart (11–20), giving students repeated exposure to number patterns while engaging in hands-on activities that deepen their understanding. Lessons follow the FLAME routine—subitizing, visual and auditory dri
K - 2nd
Basic Operations, Mental Math, Numbers
CCSS
K.CC.A.1
, K.CC.A.2
, K.CC.A.3
+5
Also included in: FLAME Math Curriculum: BUNDLE Units 1, 2, 3, & 4
Number Relationships & Mental Math Strategies to 120| Benchmark Numbers, +10/-10
If your students are still relying on counting for everything, it’s time to shift their thinking.This Number Relationships & Mental Math Strategies unit helps students develop a deep understanding of numbers to 120 by focusing on how numbers relate to benchmark numbers like 10, 20, 50, and 100. Instead of memorizing or guessing, students learn to think flexibly, build efficient strategies, and solve problems with confidence.Through hands-on lessons and engaging activities, students explore con
K - 2nd
Basic Operations, Mental Math, Numbers
CCSS
1.NBT.A.1
, 1.NBT.B.2
, 1.NBT.C.4
+4
Montessori Addition Finger/Memorization Charts 1-6 and Answer Tiles
This set includes charts 1-6 in the Montessori memorization of addition facts series including the movable pieces for the mute chart. Several options for printing include:
Full Color -
No Color - print and add your own color or use for student hand outs
Minimal Color - color option that saves on printer ink :)
Charts are formatted to either 8.5x11 for easier printing.
Suggestions for printing:
High quality card stock
Laminate for durability
Print Mute chart and movable tiles on magnet paper
K - 3rd
Arithmetic, Basic Operations, Numbers
Montessori Math Facts Bingo BUNDLE - Montessori Math Lessons Math Facts Charts
Need engaging Montessori Math Facts practice? Our Math Facts Bingo bundle includes printable Montessori math fact charts, worksheets, Montessori charts fill-in worksheets, math facts equations and answer 'tiles' help kids make connections with math facts in a fun and memorable way! The printable Montessori charts and the blank bingo boards make it easy to bring Montessori math lessons into your home or classroom! Click on the ⭐️ PREVIEW⭐️ for a visual walk-through of what’s included and how
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
1.OA.B.3
, 1.OA.B.4
, 1.OA.C.5
+5
Camping Theme Place Value Chart for Days of School
This days of school place value chart is perfect to help early learners to develop an understanding of place value. Cut out the individual numbers and put in order on small binder rings to flip for every day of the school year. I used mini command hooks attached to the chart to hang the numbers on the binder rings. *****See Numbers Place Value Chart**** for free download that pairs with this file.
PreK - 5th
Basic Operations, Place Value
Also included in: Days of School Place Value Chart with Numbers
EDITABLE Desk Name Plates/Name Tags With Number Line and Hundreds Chart Helper
The following is a desk name plate/name tag created for 8.5 x 11 (landscape) paper. This desk name plate includes a number line from 0 – 50 and a hundreds chart. This desk name plate provides easily accessible visual support, helping to build confidence and independence in students as they work towards increasing their understanding of numbers and counting to one hundred. This download includes:-1 EDITABLE set of desk name plates/name tags – (These items are text editable using Powerpoint.)
PreK - 3rd
Basic Operations, Mental Math, Place Value
2 Digit Subtraction Anchor Chart
Use this anchor chart when introducing the concept of the process of subtracting 2 digit numbers. Great for putting in students' math folders for reference or to make a large poster with a poster maker to hang in your classroom.
1st - 3rd
Basic Operations, Numbers, Place Value
CCSS
2.NBT.B.5
, 2.NBT.B.7
Also included in: Math Anchor Charts Bundle
Montessori Addition Charts 3 & 6 with Equations and Tiles
Included in this package: two addition charts, addition equations, sum (answer) tiles, instructions on how to create the material, instructions on how to work/show the child the activity. Material is easy to use for homeschooling or extra practice. Addition Charts 3 & 6 with addition equations and sum tiles. The purpose of this material is to assist the child's memorization. Suggested instructions to assemble and presentation of the material to a child are included. Feel free to rate, comme
PreK - 3rd
Arithmetic, Basic Operations, Math
Multiplication and Division Vocabulary Anchor Chart
These are great posters to hang in your classroom. These visual representations help students to learn and retain the knowledge of how to multiply and divide. Along with the original posters there are also two blank posters to further enhance students' learning by inviting them to complete the lessons or so you can fill in the information using your starboard while you teach!
2nd - 3rd
Basic Operations, Math
Partial sums 2 digit addition mini lesson, Game for Practice, assessment
Partial sums addition strategy uses place value to solve addition equations.Students struggle with traditional algorithm because they don’t understand that “carry the one” means they are actually composing a ten. Even students who use the traditional method will benefit from partial sums practice. Math Games Boost Engagement & Motivation, promotes deep understanding & fluencyIncludes:3 page mini lessonassessment Race to the Top Game Players read the equation made with the cards aloud togethe
2nd - 3rd
Basic Operations, Mental Math
CCSS
1.NBT.C.4
, 2.NBT.A.1
, 2.NBT.A.3
+1
Montessori Addition Math 1 Manual Strip Board Lesson Plans Unit 6A
The addition strip board and finger chart work is part of a set of memorization exercises. The purpose is to help the child through their passage from sensorial to abstraction. This resource was designed and created by a professional curriculum designer and Montessori teacher. The purpose of these lessons/presentations is to: To help the child become familiar with basic addition sums. To help a child practice and begin to memorize addition facts.To present the commutative property: 9 + 1 = 1 +
K - 3rd, Adult Education
Arithmetic, Basic Operations, Math
CCSS
1.OA.B.3
, 1.OA.C.5
, 1.OA.D.8
+1
Montessori Math 1 Manual Memorization Exercises Subtraction Lesson Plans Unit 6B
The subtraction strip board and finger chart work is part of a set of memorization exercises. The purpose is to help the child through their passage from sensorial to abstraction. This resource was designed and created by a professional curriculum designer and Montessori teacher. The purpose of these lessons/presentations is to: To help the child concentrate on the basic subtractions, leading to memorization. To help a child practice and begin to memorize subtraction facts.To solve subtraction e
K - 3rd, Adult Education
Arithmetic, Basic Operations, Math
CCSS
1.OA.B.3
, 1.OA.B.4
, 1.OA.C.5
+4
Montessori Math 1 Manual Memorization Exercises Multiplication Lessons Unit 6C
The multiplication bead board and finger chart work is part of a set of memorization exercises. The purpose is to help the child through their passage from sensorial to abstraction. This resource was designed and created by a professional curriculum designer and Montessori teacher. The purpose of these lessons/presentations is to: To help the child concentrate on the basic multiplications in succession. To use finger boards to multiply combinations of numbers 1-10. To give practice in multiplica
K - 3rd, Adult Education
Arithmetic, Basic Operations, Math
CCSS
3.OA.A.1
, 3.OA.B.5
, 3.OA.C.7
+1
The Ultimate Blank Graphic Organizer Math Toolkit for Elementary
Blank graphic organizers for elementary math including number charts, fractions, geometry, place value, measurement, blank charts and graphs, and support for organization such as multi-digit operations.
2nd - 5th
Basic Operations, Fractions, Place Value
2nd Grade Place Value & Fall Toolkit | Math Intervention RTI Screener | Bundle
Are your students struggling with place value or stuck using counting strategies to add? This targeted 2nd grade place value math intervention unit provides 4–6 weeks of small-group lessons designed to close the most common skill gaps in place value understanding and strategy-based addition. Perfect for RTI Tier 2, math intervention blocks, or targeted reteaching, this resource moves students from counting one-by-one to flexible, efficient mental math strategies that build fact fluency
2nd
Basic Operations, Mental Math, Numbers
CCSS
2.NBT.A.4
, 2.NBT.B.5
, 2.NBT.B.6
+3
Montessori Dot Game Paper - Ten Frame
Dot Game Paper with ten frame divider for easier counting/enhancing strategies.
1st - 3rd
Basic Operations, Math, Place Value
Addition and Subtraction to 20 | 2nd Grade Small Group Math Unit
In order to be ready for 2nd grade, students need to have strategies to add and subtract to 20. This second grade addition and subtraction unit is ideal for a small group of students at the tier 2 or tier 3 level. This unit begins with hands-on materials and drawings and moves to counting strategies for addition and subtraction to build a strong foundation for your students. Click HERE to save 20% on the full year intervention lesson bundle. This comprehensive bundle includes all of your interv
2nd
Basic Operations, Math
CCSS
1.OA.C.6
Adding and Subtracting to 100 Decomposing | Math Intervention Unit 2nd Grade
2nd grade students are expected to fluently add and subtract within 100 based on strategies such as place value. This set of 5 lesson plans creates a cohesive unit that will help your 2nd graders to fluently add and subtract to 100 using decomposing strategies. Your students will use an abundance of hands-on materials along with place value drawings and number bonds in order to develop and demonstrate their understanding of fluent addition and subtraction within 100. This unit is included in a
2nd
Basic Operations, Math
CCSS
2.NBT.B.5
2nd Grade Daily Word Problems – Addition & Subtraction (CGI Math, Math Talk)
Make word problems easy and fun for your 1st graders! These slides guide students step-by-step using the CUBS strategy: C – Circle the numbers U – Underline the question B – Box clue words S – Solve and check Perfect for morning work, math centers, small groups, or whole-class lessons, these slides give students daily practice while building confidence and problem-solving skills. Bright visuals, colorful text, and simple layouts keep learners engaged and make math hands-on and access
K - 2nd
Basic Operations, Numbers, Order of Operations
CCSS
1.NBT.A.1
, 1.NBT.B.2
, 1.NBT.B.2a
+14
Montessori Investigating Multiples Tables
The introduction and investigation of multiples provides a wonderful foundation for the understanding and internalization of number sense and number theory. These charts can be used either as part of the initial presentation of the concept and language of multiples alongside the colored bead bars of the decanomial box, or they could be used as a review activity. If you don’t have access to the decanomial box, my printable version can be found here. In this set you will find: -Pg. 1-4: Introdu
2nd - 5th
Basic Operations, Math, Other (Math)
Addition & Subtraction to 20 | 2nd Digital Math Intervention Unit
This digital addition and subtraction to 20 unit has everything you need to teach your math intervention small groups how to understand and carry out strategies for adding and subtracting to 20 even when you are not together. As you work through this entirely digital 5 Day Focus math intervention unit, your students will gain an understanding of strategies using hands-on materials, drawings as well as counting strategies for addition and subtraction to 20. Click HERE to save 20% on the full y
2nd
Basic Operations, Math
CCSS
1.OA.C.6
Ten Frames Digital Download | Number Sense & Early Math Skills for K-2
Make math meaningful with this engaging Ten Frames Digital Resource designed to help students build strong number sense, counting skills, and early addition and subtraction strategies! Perfect for Kindergarten through 2nd Grade, this download provides hands-on, visual practice using ten frames—an essential tool for developing a deep understanding of numbers. Whether you're teaching in the classroom, online, or using a hybrid model, this resource makes math instruction easy, interactive, and
PreK - 2nd
Basic Operations, Numbers
CCSS
K.NBT.A.1
, K.OA.A.1
, K.OA.A.2
+5
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