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)
Number Encoding & Decoding | Math Grades 4-6 | The Ancient Code Breaker
Product Title: Vedic Math Number Encoding & Decoding: Nikhilam Sutra Secret Agent Math G 4-6 Description: Looking for a fun and engaging way to boost your students' mental math skills? Welcome to the Code Breaker Headquarters! This unique Vedic Mathematics resource introduces students to the powerful Nikhilam Sutra. Through an exciting "Secret Agent" theme, students will learn how to convert "Giant Numbers" (6, 7, 8, 9) into easier "Tiny Numbers" (not exceeding 5) using the Bar Number system. T
4th - 6th
Basic Operations, Mental Math, Numbers
CCSS
4.NBT.B.4
, 5.NBT.B.5
, MP2
+1
The Bug Parade Math: Mix and Match Addition Problems (800 Ways to Solve)
Bug Parade Math: Differentiated Addition Worksheets with Value Charts | Math Centers, Number Sense, Early Algebra – 800 Ways to Solve This engaging math resource helps students build addition skills, number sense, and early algebraic thinking through a unique system of value charts and differentiated worksheets. Students solve the same addition problems with different charts, creating new answers each time while strengthening problem-solving, critical thinking, and flexible thinking skills.
K - 3rd
Basic Operations, Numbers
Subtraction Fact Mental Strategy Count Up To Free Sample
Enjoy this free math sample, compiled from three of my subtraction resources, for reinforcing the count up to subtraction fact strategy. There is an anchor wall chart (in color or black/ gray/ white), 2 worksheets (3 pages) for identifying and discriminating count up to subtraction equations, and 3 pages of black/ white flashcards with word/ picture cues. This free sample was compiled from the following resources in my store:Subtraction Fact Mental Strategy Anchor Wall ChartsSubtraction Fact Me
1st - 2nd
Basic Operations, Mental Math
Addition Facts to 20 - Addition Fact Strategy Worksheets
Do you need a set of systematic, sequential worksheets to reinforce identifying, discriminating, and applying mental strategies for computing the basic addition facts to 20? You’ll love this comprehensive set of addition fact strategy worksheets for first and second grades! Oh, and just print and go! Try these worksheets for the addition facts to 20: with your whole classin your small instructional math groupsin your intervention or resource groupsfor morning work, seat work, or homework
1st - 2nd
Basic Operations, Mental Math
CCSS
1.OA.C.6
, 2.OA.B.2
{FREE} Math Facts Packet
Almost 50 pages of math facts practice for facts to 20! This SEQUENCED packet includes plenty of practice for: +0 and -0 +1 and -1 +10 and -10 Doubles Neighbors (Doubles +1) Facts to Ten +9 and -9 +2 and -2 Leftovers I have used these for differentiated instruction with my kiddos, printing out only what each child needs, as many times as needed. Systematic use of these worksheets for morning work has helped me discover why certain kiddos are making repeated errors. When I ask them to explain
K - 3rd
Arithmetic, Basic Operations
CCSS
1.NBT.C.4
Break apart addition strategy worksheets - split the hundreds tens and ones
Break apart addition strategy worksheets - split the hundreds tens and ones - Expanded Form Standard Form This is a set of 24 Break Apart Addition Strategy Worksheets that a designed to help students become more confident adding two and three digiti numbers together. This is a great way to teach the concept on Expanded Form, Standard Form to students. All worksheets are clearly laid out and are all black and white no prep printables, so you should be able to just print and go. See below for more
1st - 3rd
Arithmetic, Basic Operations, Math
CCSS
2.NBT.A.1
, 2.NBT.A.1a
, 2.NBT.A.1b
+7
Montessori Math Facts Charts Worksheets MEGA BUNDLE - Montessori Math Lessons
Need engaging Montessori Math Facts practice activities? This huge bundle of Montessori math facts charts, worksheets, booklets, task cards, and equation and answer 'tiles' has everything you need, with little prep needed! All the materials pull directly from classic Montessori math lessons. The printable Montessori math charts and materials make it easy to work at home! Click on the ⭐️ PREVIEW⭐️ for a visual walk-through of what’s included and how it all works together! Here’s What You GetR
K - 3rd
Arithmetic, Basic Operations, Math
CCSS
K.OA.A.5
, 1.OA.B.3
, 1.OA.B.4
+8
Dyscalculia Multiplication Help | Complete Strategy Bundle
Help students understand multiplication using clear visual strategies. This dyscalculia-friendly toolkit teaches multiplication through equal groups, repeated addition, arrays, break apart numbers, area models, and friendly numbers so students can build strong conceptual understanding. Multiplication can feel overwhelming when students are asked to memorize facts without understanding how numbers work. This Multiplication Strategies Toolkit helps students build multiplication understanding using
2nd - 5th
Arithmetic, Basic Operations, Other (Math)
CCSS
3.NBT.A.3
, 3.OA.A.1
, 3.OA.A.3
+2
Addition Strategies | First Grade Math Intervention RTI/MTSS Dyscalculia Support
Stop counting one-by-one and teach students how to actually think through addition.This bundle includes 3 powerful, student-friendly strategies that turn tricky problems into manageable, step-by-step solutions. Teach addition in a way that finally makes senseIf your students struggle with addition, get overwhelmed by numbers, or rely on counting one-by-one, this bundle gives them multiple ways to solve problems that actually work. The Addition Strategies Bundle combines three clear, visual stra
1st - 4th
Basic Operations, Other (Math)
Hundreds Charts 1–1000 Bundle | Missing Number Charts | Even & Odd Practice
⭐ Make number sense practice simple, engaging, and organized with this Hundreds Charts Bundle 1–1000! ⭐ This resource includes editable hundreds charts, missing number charts, and even/odd number practice pages designed to help students build counting confidence and strengthen place value skills. 🔢 Perfect for math centers, independent practice, homework, intervention groups, morning work, and assessments! ✨ WHAT’S INCLUDED: • Hundreds Charts from 1–1000 (in 100s) • Missing number hundreds char
1st - 8th
Arithmetic, Basic Operations, Numbers
Early Math Strategies | Number Relationships BUNDLE | Numbers to TEN
This is my favorite math pack so far! This bundle includes 57 different worksheets that use a variety of number models to help students grasp number relationships, addition, and subtraction! Tried and tested! My students are in their first two months of school and feeling confident with using number lines, bar models, ten frames, and number bonds, to dig deeper into part part whole relationships. Included:Anchor of 5 - 16 worksheets that build number sense with a focus on Anchor of 5 (5 and 2
K - 2nd
Algebra, Basic Operations, Numbers
Doubles & Near Doubles Addition Strategy | Back to school Math Practice | G.1-2
Help students master addition facts with this engaging Doubles and Near Doubles Addition Strategy worksheet pack. These printable math activities teach students how to use doubles facts to solve near doubles problems quickly and build strong mental math skills. Perfect for math centers, intervention, morning work, homework, independent practice, and addition fact fluency review. What Teachers Will Get5 student practice worksheetsDoubles facts addition practiceNear doubles strategy practiceMissi
1st - 2nd
Basic Operations, Math Test Prep, Mental Math
CCSS
2.NBT.B.5
, 1.OA.B.3
, 1.OA.C.5
+6
Dyscalculia Multiplication Help | Repeated Addition Strategy Grades 2 -5
These repeated addition worksheets help students understand multiplication as equal groups. Designed for math intervention, dyscalculia, and special education. 💛 Support students while they work:Use the FREE Multiplication Desktop Strip as a visual reference to pair with this strategy. 🧩 Help Students Understand Multiplication (Not Memorize It) If your students struggle with multiplication, this resource shows them how to turn multiplication into repeated addition. Instead of guessing or memo
2nd - 5th
Arithmetic, Basic Operations, Other (Math)
CCSS
2.OA.C.4
, 3.OA.A.1
, 3.OA.A.3
Also included in: Dyscalculia Multiplication Help | Complete Strategy Bundle
Friendly Numbers Addition Strategy | First Grade RTI MTSS | Dyscalculia Support
Turn tricky addition into something easyIf your students get stuck on problems like 28 + 7 or 19 + 8, this resource teaches them a simple, powerful strategy: 👉 Make the numbers friendly firstThe Friendly Numbers Strategy Kit shows students how to adjust numbers to reach 10, 20, or 30, so the hardest part of the problem disappears. Instead of struggling or guessing, students learn to: ✔ turn tricky numbers into easy ones ✔ solve problems faster ✔ build confidence with math 🧠 Built for lear
1st - 4th
Basic Operations, Mental Math, Other (Math)
CCSS
1.OA.A.1
, 1.OA.C.5
, 1.OA.C.6
Dyscalculia Multiplication Help | Break Apart Strategy | Grade 3
🧩 Make Multiplication Easier (Without Memorizing) If your students get stuck on multiplication, this resource teaches them how to break numbers apart into smaller, easier problems. Instead of memorizing facts, students learn how to: 👉 break numbers apart 👉 solve easier pieces 👉 put them back together This is a powerful number sense strategy for students who struggle with multiplication. ✨ What Makes This Different✔ Teaches multiplication as a thinking process ✔ Breaks large problems into man
2nd - 5th
Arithmetic, Basic Operations, Other (Math)
CCSS
4.NBT.B.5
, 3.OA.A.1
, 3.OA.B.5
Also included in: Dyscalculia Multiplication Help | Complete Strategy Bundle
Multiplication for Struggling Learners | Equal Groups Strategy Grades 2 -5
When multiplication feels confusing, students need a way to see it. This visual math intervention resource teaches students to solve multiplication using equal groups through a structured I Do, We Do, You Do approach. Help students understand multiplication using equal groups. This resource teaches students to solve multiplication by building and counting equal groups, making multiplication visual, concrete, and easier to understand. Designed for math intervention, this strategy supports student
2nd - 5th
Arithmetic, Basic Operations, Other (Math)
CCSS
3.OA.A.1
, 3.OA.A.3
, 3.OA.C.7
Also included in: Dyscalculia Multiplication Help | Complete Strategy Bundle
Break Apart Addition Strategy | Dyscalculia Math Help | Grade 1-3
Make addition easier by breaking numbers into helpful partsIf your students get stuck when numbers feel “too big” or don’t know where to start, this resource teaches them how to break numbers apart in a way that actually helps. The Break Apart Strategy Kit shows students how to split numbers into useful pieces so they can solve problems step-by-step with confidence. Instead of guessing or getting overwhelmed, students learn to: ✔ break numbers into helpful parts ✔ use the easiest piece first ✔
1st - 4th
Basic Operations, Numbers, Other (Math)
CCSS
1.OA.C.5
, 1.OA.C.6
, 2.OA.B.2
Make a Ten Strategy Worksheets | Addition Within 20
Make building addition fluency simple with this Make a Ten Strategy resource! This no-prep packet helps students develop efficient problem-solving skills while practicing addition within 20. Students will learn how to break apart numbers to make a ten, strengthening their number sense and confidence with addition facts. What’s Included: • Teach page with clear “make a ten” strategy and visual support • Practice worksheets for guided and independent work • Challenge page to extend thinking • Ass
1st - 2nd
Arithmetic, Basic Operations
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
Winter Addition and Subtraction Word Problem Worksheets Within 10: Strategies
This no-prep, 50-page PDF worksheet bundle is packed with kid-friendly winter themed addition and subtraction word problems within 10. This set includes:25 pages of addition word problems (sums to 10)25 pages of subtraction word problems (differences within 10).Each worksheet features a consistent format, helping students develop confidence and independent problem-solving skills. Students must use five key strategies on every page: Use the number line to show their jumps.Create a number bond (p
PreK - 2nd
Basic Operations
CCSS
K.OA.A.1
, K.OA.A.2
Missing Numbers 1 to 100-100s Chart-Skip Counting-Progressive Printable
Missing Numbers 1–100 | Progressive Number Sequencing & Skip Counting Practice Help your students build confidence with number order, sequencing, and skip counting! This Missing Numbers 1–100 packet is designed to grow with your learners — starting simple and gradually increasing in difficulty. Students will practice identifying and filling in missing numbers within 1–100, developing stronger number sense and pattern recognition along the way. Each page is designed for progressive learning
PreK - 2nd
Basic Operations, Mental Math, Numbers
Halloween 120 Chart BUNDLE – Mystery Pictures & Practice Set | Fun Math Activiti
Save & Get BOTH Halloween 120 Chart Sets in One Bundle!This money-saving bundle combines two best-selling resources to give you fun and differentiated math activities all October long. ✨ What’s Included 1. Halloween 120 Chart Mystery Pictures 8 Spooky Mystery Pictures: Pumpkin, Ghost, Haunted Castle, Candy Corn, Vampire Face, Black Cat, Frankenstein’s Face, Spooky Owl Students fill in numbers and color to reveal hidden Halloween surprises Builds number recognition, number writing (1–120), ev
K - 1st
Basic Operations, Numbers, Other (Math)
CCSS
K.CC.A.1
, K.CC.A.2
, 1.NBT.A.1
Grade 1 Doubling Worksheets | Multiplication Strategy | CPA Math Mastery
This is a Grade 1 multiplication resource focusing on doubling as a fundamental calculation strategy. The pack includes 6 different activities, each with a friendly robot guide who models the thinking process. Activities use concrete manipulatives (numicons, dominoes, cubes, fingers), pictorial representations (cherry diagrams, bar models), and visual strategies to scaffold understanding. Students engage with doubling single-digit numbers and extend into doubling 2-digit numbers by decomposing t
K - 2nd
Arithmetic, Basic Operations, Math Test Prep
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