Standard Algorithm Multiplation
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Addition and Subtraction Flashcards
Attention primary teachers and parents! These are double-sided flashcards so students can practice their addition and subtraction fact fluency together. Print this double-sided and cut slits in the side. Students will be able to look at the addition side and flip the addend to see the answer on the back. If you want to see them in action, you can check out my Instagram and TikTok @heyitskatieortega and I show how they work in action.
PreK - 5th
Basic Operations
CCSS
K.NBT.A.1
, 1.NBT.C.4
, 1.NBT.C.5
+3
Master Counting to 100! Interactive Digital Slides for PreK & K Math Success
Are you searching for a captivating way to make counting and number recognition a breeze for your Pre-K and Kindergarten students? Unlock effortless number mastery for your young learners with "Master Counting to 100! Interactive Digital Slides | PreK, Kindergarten, 1st Gr." This no-prep digital resource transforms counting to 100 into an engaging, interactive experience, saving you valuable prep time. It's the perfect solution to boost number sense and keep your students excited about learning
PreK - 1st
Basic Operations, Math, Numbers
CCSS
K.CC.A.1
Addition and Subtraction within 20 Intervention Math Mat
I am a math intervention teacher and one of the MAIN things I work on with students is addition and subtraction within 20. I needed all of the tools in one spot! On this math math students can write their problem and use any tool to help them solve. Tens frames, number line, number path, number bond, or their own picture. Put in a clear sleeve and use again and again with small groups!
PreK - 4th
Arithmetic, Basic Operations, Mental Math
CCSS
1.OA.A.1
, 2.OA.B.2
Addition & Subtraction Unit (12 Lessons) — Pre‑K & Kindergarten
A complete early math unit designed to build strong addition and subtraction skills in a clear, predictable way. Includes: 12 structured PowerPointsDo Now warm‑upsRetrieval practiceI Do → We Do → You Do sequenceCounting onCounting backSimple story problemsComparing setsNumber bondsVisual supports and concrete prompts Why Teachers Love This Unit Low cognitive loadClean slide designConsistent routinesEasy to use with minimal prepPerfect for whole‑class, small groups, guided math or interventi
PreK - 1st
Basic Operations, Numbers
CCSS
K.NBT.A.1
, K.OA.A.1
, K.OA.A.2
+3
Montessori Math KINDERGARTEN: ALL Lesson Plans & Some Resources inc BOOM CCSS BC
Kindergarten Math Montessori Interactive Progress Checklists including lesson plans, materials, BOOM decks and CCSS Standards and BC (Canada) Curriculum connecgions. This math bundle includes lesson plans, printable resources, distance learning activities (BOOM Cards), material analyses, progress checklist (PDF), an editable spreadsheet, and I am always happy to help via message. Use this set of plans to teach the kindergarten common core standards Included are units for 4 of the 5 kindergarten
PreK - K
Basic Operations, Math, Numbers
CCSS
K.CC.A.1
, K.CC.A.2
, K.CC.A.3
+17
Adding 3 numbers together by making 10
Need a quick and easy way to practice adding 3 numbers? This resource is student-friendly, simple, and ready to use—great for independent work, small groups, or homework. Saves time and keeps learning stress-free
PreK - 2nd
Basic Operations, Numbers
CCSS
1.NBT.A.1
, 1.NBT.B.2a
, 1.NBT.C.4
Fall Math Worksheets - Bumbleberry Classroom - Numbers, Counting, Addition PK-1
Fall themed worksheets for stations, morning work, early finishers, homework, and more! Geared for PK-1st or intervention practice, I have created worksheets for tracing numbers 0-20, adding within 10, adding to make 5 and 10, and counting within 10. This is differentiated to target specific needs and abilities, such as handwriting, circling answers, and cut & paste responses. Included are 16 worksheets that can be downloaded as a powerpoint file or PDF.
PreK - 1st
Basic Operations, Mental Math, Numbers
CCSS
K.CC.A.3
, K.CC.B.4b
, K.CC.B.5
+4
Number Sense Games Kindergarten First Grade Second Grade Math Centers Numeracy
Are you looking for a way to engage your early learners while learning the foundational skills for numeracy and number sense? With this bundle, your students can engross in fun, hands-on learning while ordering numbers, making comparisons, finding patterns, rounding, and subitizing. Use these games as a math review or in centers. Ideas and materials are included with every game for differentiating instruction to meet varying student levels within your class. Kids love the games, the interaction
PreK - 2nd
Arithmetic, Basic Operations, Numbers
CCSS
K.CC.A.1
, K.CC.A.2
, K.CC.A.3
+15
Winter Math Worksheets - BumbleBerry Classroom - Numbers, Counting, Addition
Winter and Christmas themed worksheets for stations, morning work, early finishers, homework, and more! Geared for PK-1st or intervention practice, I have created worksheets for tracing numbers 0-20, adding within 10, adding to make 5 and 10, and counting within 10. This is differentiated to target specific needs and abilities, such as handwriting, circling answers, and cut & paste responses. Included are 17 worksheets that can be downloaded as a powerpoint file or PDF.
PreK - 1st
Basic Operations, Mental Math, Numbers
CCSS
K.CC.A.3
, K.CC.B.4b
, K.CC.B.5
+3
Montessori math worksheets for numerals 0-20
Montessori Math worksheets for numerals 0-20 for ages 3-7 includes 10 follow up worksheets that complement the various lessons in the lesson plans (also available for purchase). The concepts included in the worksheets are, "practicing counting and writing numerals 0-20," "Short bead bars and concept of 'Zero', "Adding short bead bars to make the numerals 11-20," "Adding random combinations to make 2-20," and "Odd and Even". * If the tracing font does not download properly, please email me afte
PreK - 1st
Basic Operations, Math, Numbers
CCSS
K.CC.A.3
, K.CC.B.4
, K.NBT.A.1
Kindergarten Choice Board Addition, Subtraction, Patterns, & Measurement (Within
This Kindergarten Math Choice Board: Unit 4 is a standards-aligned resource focused on addition, subtraction, patterns, and measurement within 10. It addresses the Georgia Standards of Excellence for Kindergarten Unit 4 and is ideal for math centers, small groups, intervention, enrichment, or independent practice. Students engage in hands-on activities that develop understanding of adding and subtracting within 10, composing and decomposing numbers, equality, repeating patterns, and comparing p
PreK - 5th
Basic Operations, Numbers, Other (Math)
CCSS
K.OA.A.2
, K.OA.A.3
, K.OA.A.4
+1
SINGLE DIGIT ADDITION
Single-Digit Addition Timed Practice is a fun and effective way to help students build math fluency and confidence. This resource includes quick, timed worksheets designed to strengthen addition skills with numbers 0–9. Perfect for classroom drills, math centers, homework, or extra practice at home, these pages help children improve speed, accuracy, and number sense while keeping learning engaging and stress-free. Ideal for teachers, parents, and homeschoolers supporting early math success. 📚✨
PreK - K
Basic Operations, Mental Math, Numbers
CCSS
1.OA.B.3
Number Sense Math Games Pre-K Kindergarten First Grade Numeracy Centers
Do you want your early learners to be engaged and have fun while learning the foundational skills for numeracy and number sense? With this bundle, your students can engage in fun, hands-on learning while ordering numbers, practicing one-on-one correspondence, making comparisons, and subitizing. Use these games as a math review or in centers. Differentiate instruction by changing out the cards you use. Each game has a section for ideas on how to meet varying student levels. Kids love the games, t
PreK - 2nd
Basic Operations, Numbers, Other (Math)
CCSS
K.CC.A.1
, K.CC.A.2
, K.CC.A.3
+7
Montessori math activities and lesson plans for numerals 0-20
Montessori Math Activities for numerals 0-20 for ages 3-7, includes a comprehensive and easy to understand lesson plan with four different lessons and (18 pages) is complete with illustrations and words to say during your lesson or presentation of the material to your child or student. Also available to purchase with this plan: There are 10 follow up worksheets that complement the various lessons. The lessons included in the lesson plan are "Short bead bars and concept of 'Zero', "Adding short
PreK - 1st
Basic Operations, Math, Numbers
CCSS
K.CC.A.3
, K.CC.B.4
, K.NBT.A.1
Numbers|One-to-one correspondence|task boxes
I created this document to create a task box for my learners that needed more visual practice with one to one correspondence. This is a resource that I would use in a lesson and then utilize later on for independent work to continue their foundational skills of visualizing the numbers by using manipulatives with this resource.
PreK - 1st
Applied Math, Basic Operations, Numbers
CCSS
K.CC.B.4
Addition Strip Board Tables (Large Print)
For use with the Montessori Addition Strip Board. Large Print.
PreK - 2nd
Basic Operations, Mental Math
CCSS
K.CC.A.3
, K.CC.B.4
, K.CC.B.4c
+1
Math Center Hands on Tools, Activities and Basis for Use
You will find this grouping of basic math tools and how to use one of your best resources for teaching basic math skills.
PreK - 2nd
Basic Operations
CCSS
MP1
Domino Addition Write and Draw
Have children place dominoes in the domino area and write the addition problem. Then have them draw the problem in the box. This a great activity to meet the create and solve addition problems standards.
PreK - 2nd
Basic Operations, Math
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