Data Analysis Lab
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Programs & methods
Percent Proportion Error Analysis | One-Page Diagnostic | Grades 6–7
Help students build a true understanding of percent proportion with this six question error analysis. Each problem shows a student’s incorrect work related to IS/OF, part–whole relationships, and the percent proportion. Students must: ✔ identify the error ✔ explain what the student did wrong ✔ set up the correct proportion ✔ solve accurately This diagnostic approach makes student thinking visible, highlights misconceptions, and gives you immediate data to plan reteach, support, or
6th - 9th
Algebra, Arithmetic, Basic Operations
CCSS
6.RP.A.3
, 7.RP.A.3
3rd & 4th Grade Two-Step Word Problems Error Analysis Worksheets | No Prep Math
Stop grading the same mathematical mistakes over and over—teach your students to find them first! This error analysis bundle shifts the focus from rote calculation to high-level critical thinking by challenging students to analyze and correct "bogus" math work. What's Included: 20 "Case Files" (Worksheets): Each page features a realistic two-step word problem and a "solved" (but incorrect) student response. Built-In Scaffolding: Each worksheet includes three specific error reasons for student
3rd - 4th
Applied Math, Arithmetic, Math Test Prep
CCSS
3.OA.D.8
, 4.OA.A.3
, MP3
Addition & Subtraction Within 5 – 1 Minute Timed Tests Plus Bonus Data Sheets
Build strong number fluency in your K–1 learners with these 1-Minute Timed Tests for Addition, Subtraction, and Mixed Facts Within 5! This low-prep math fluency resource includes 9 timed test forms, student tracking tools, and teacher data sheets—everything you need to monitor growth, build confidence, and strengthen math fact fluency all year long. Perfect for Kindergarten, 1st Grade, RTI, small groups, morning work, math intervention, and special education, these quick checks give you an e
K - 1st
Arithmetic, Numbers
CCSS
K.OA.A.5
Two-Step Equations Error Analysis | Who Is Correct? | Grades 6-8
This error-analysis activity strengthens student understanding of two-step equations by analyzing student work, not just finding the answer. Each problem includes two student solutions — one correct and one incorrect — and asks students to decide: Who is correct? How do you know?Students justify their reasoning, identify misconceptions, and explain why the strategy works, building conceptual confidence in solving equations. What’s Included✔️ 8 error-analysis problems • 4 standard equation
6th - 8th
Algebra, Arithmetic, Basic Operations
CCSS
6.EE.B.5
, 7.EE.B.4
, 7.EE.B.4a
Add and Subtract Fractions Error Analysis | Identify Explain Correct | Grades 4–
Help students build deeper understanding of fraction operations with this Add and Subtract Fractions Error Analysis activity. Instead of only finding answers, students analyze common mistakes, explain incorrect reasoning, and then solve each problem correctly. This resource encourages critical thinking, mathematical discussion, and conceptual understanding—making it ideal for upper elementary and early middle school classrooms. ⭐ What’s Included ✔ Error analysis worksheets focused on addi
4th - 6th
Arithmetic, Basic Operations, Fractions
CCSS
4.NF.B.3a
, 5.NF.A.1
Order of Operations PEMDAS Worksheet Grade 6 | Guided + Error Analysis
Grade 6 PEMDAS worksheet set: word-bank warm-up, 15 scaffolded problems, 4 error-analysis tasks, 2 real-world items, and full answer key—printable, class-ready. This Grade 6 Order of Operations (PEMDAS) worksheet pack builds real mastery: students start with a concise word-bank fill-in, move into scaffolded practice (easy → multi-step), tackle fix-the-error items that surface misconceptions, and finish with real-life word problems—all with a clean answer key. Crafted for clarity, spacing, and ki
6th - 7th
Arithmetic, Order of Operations
CCSS
5.OA.A.1
, 6.EE.A.1
Small Bead Frame Montessori Command Cards Static Addition and Material Analysis
These Montessori command cards are for practicing independent work in math using the small bead frame. It is recommended that forming quantities on the bead frame be mastered before attempting addition. Forming and reading number command cards can be found here: Forming and Reading Numbers on the Small Bead FrameTo use the cards, the child forms the given equation on the small bead frame to arrive at the correct sum. They can check their work on the reverse of the card, which provides a control
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.A.1
, 2.NBT.B.7
Small Bead Frame Multiplication Command Cards Static and Material Analysis
These Montessori command cards are for practicing independent multiplication work in math using the small bead frame. It is recommended that forming quantities and addition on the bead frame be mastered before attempting multiplication. Forming and reading number command cards can be found here: Forming and Reading Numbers on the Small Bead FrameAddition on the Small Bead FrameTo use the cards, the child forms the given equation on the small bead frame to arrive at the correct product. They can
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
3.NBT.A.3
, 4.NBT.B.5
, 3.OA.A.3
Small Bead Frame Multiplication Command Cards Dynamic and Material Analysis
These Montessori command cards are for practicing independent work with dynamic multiplication using the small bead frame. It is recommended that forming quantities on the bead frame, addition, and static multiplication on the bead frame be mastered before attempting dynamic multiplication. Forming and reading number and static addition command cards can be found here: Forming and Reading Numbers on the Small Bead FrameStatic Addition on the Small Bead FrameMultiplication on the Small Bead Frame
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
4.NBT.A.1
, 4.NBT.B.5
, 5.NBT.A.1
+2
Small Bead Frame Command Cards Montessori Dynamic Addition and Material Analysis
These Montessori command cards are for practicing independent work in math using the small bead frame. It is recommended that forming quantities on the bead frame and static addition on the bead frame be mastered before attempting dynamic addition. Forming and reading number and static addition command cards can be found here: Forming and Reading Numbers on the Small Bead FrameStatic Addition on the Small Bead FrameTo use the cards, the child forms the given equation on the small bead frame to a
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.A.1
, 2.NBT.B.7
Small Bead Frame Command Cards Montessori Static Subtraction & Material Analysis
These Montessori command cards are for practicing independent work in math using the small bead frame. It is recommended that forming quantities and mastering static and dynamic addition on the bead frame be mastered before attempting subtraction. The recommended pre-requisite command cards can be found here: Forming and Reading Numbers on the Small Bead FrameStatic Addition on the Small Bead FrameDynamic Addition on the Small Bead FrameThe pre-requisite command cards can be viewed as a bundle h
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.A.1
, 2.NBT.B.7
Sums and Differences - Using Analysis and Reasoning Skills
13 printable or digital pages to improve analysis and reasoning skills. Students work with one-digit, two-digit numbers, three-digit numbers, and four-digit numbers, answering questions like: What is the sum of the two largest numbers? What is the difference between the largest ODD number and the smallest EVEN number? What is the sum of the numbers that are palindromes (the same number forwards as backwards)?What is the difference of the numbers that have a five in the ones place? What is t
2nd - 4th
Arithmetic
Montessori Small Bead Frame Command Cards Forming Numbers Material Analysis
These Montessori command cards are for practicing independent work in math using the small bead frame. These 10 cards can be used in 2 ways. The control of error (answer) can be either side of the card. If the child is presented with the number, they can form the number on the small bead frame and then check their answer on the back of the card. Alternatively, the child can view the small bead frame image, and say the number represented and record it in their math books before turning over the c
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.A.1
, 2.NBT.B.7
Montessori Small Bead Frame Command Cards Dynamic Subtraction &Material Analysis
These Montessori command cards are for practicing independent work in math using the small bead frame. It is recommended that forming quantities, static and dynamic addition, and static subtraction on the small bead frame be mastered before attempting dynamic subtraction. The recommended pre-requisite command cards can be found here: Forming and Reading Numbers on the Small Bead FrameStatic Addition on the Small Bead FrameDynamic Addition on the Small Bead FrameStatic Subtraction on the Small Be
1st - 4th
Arithmetic, Basic Operations, Math
CCSS
2.NBT.A.1
, 2.NBT.B.7
PEMDAS Worksheet Grade 8 | Exponents & Scientific Notation (Order of Operations)
Build PEMDAS mastery with scaffolded practice, error analysis, and real-life problems targeted toward grade 8—includes integer exponents, radicals, scientific notation, and full answer key. This Grade 8 Order of Operations (PEMDAS) worksheet set is a no-prep, printable pack that pushes beyond basic parentheses to the skills 8th graders actually need: integer exponents, scientific notation, radicals, absolute value, complex fractions, and left-to-right rules. Students warm up with a concise word
8th - 9th
Arithmetic, Order of Operations
CCSS
8.EE.A.1
, 8.EE.A.2
, 8.EE.A.3
+1
No-Prep Grade 3-5 Equivalent Fractions, Operations & Mixed Numbers Quick Checks
Are you looking for time-saving fraction exit tickets that provide immediate data on student mastery? These 4th grade math assessments (perfect for 3rd and 5th, too!) are designed to make tracking progress effortless. From comprehensive equivalent fractions worksheets to targeted quick checks for adding and subtracting fractions, this resource gives you everything you need to build strong number sense. You'll even find visually uncluttered practice for converting improper fractions to mixed
3rd - 5th
Arithmetic, Basic Operations, Fractions
CCSS
3.NF.A.3
, 4.NF.A.1
, 4.NF.B.3
+1
Two Step Rules in Function Tables - Input Output Tables Task Cards
These input/output task cards give students the opportunity to identify two step rules or patterns using any operation. In these task cards, students don't have to complete any missing values - just identify the rule or pattern that fits the data table. But, the challenge is in the two step rules students need to identify! Input/Output tables help students work with patterns and relationships between numbers. With these task cards, students should start by identifying what they think the rule is
3rd - 6th
Algebra, Arithmetic, Mental Math
CCSS
3.OA.C.7
, 3.OA.D.8
, 3.OA.D.9
+7
Mixed Operations Input-Output Tables Task Cards - Rules in Function Tables
These input/output task cards give students the opportunity to identify rules or patterns using any operation. With single step rules, students identify relationships between numbers to find the number pattern. In these task cards, students don't have to complete any missing values - just identify the rule or pattern that fits the data table, writing a one-step expression or equation. Input/Output tables help students work with patterns and relationships between numbers. With these task cards, s
3rd - 4th
Algebra, Arithmetic, Mental Math
CCSS
3.OA.A.1
, 3.OA.A.2
, 3.OA.A.4
+2
Order of Operations PEMDAS Worksheet Grade 7 | Integers & Rationals. Scaffolded
7th grade ready Order of Operations (PEMDAS) practice that goes beyond a Grade 6 review—students work with signed integers, fractions/decimals, negative-base exponents, nested grouping, and the fraction bar as grouping. Starts with a fast word-bank vocabulary warm-up, move into 15 scaffolded problems that mix P, E, MD (left-to-right), and AS (left-to-right), then tackle error analysis and real-life word problems. Clean, printable answer key included—perfect for warm-ups, homework, small-group i
7th - 8th
Arithmetic, Order of Operations
CCSS
5.OA.A.1
, 6.EE.A.1
Asia Infinity Street: A Montessori Place Value & Cultural Activity
Cultural Montessori Activities | Explore Place Value & Population Math for AsiaExplore units, tens, hundreds, thousands, and millions with Infinity Street—a hands-on, Montessori-inspired place value and geography activity where each colorful house represents a unique number family. Perfect for both Montessori math centers and cultural geography studies, this engaging activity helps children understand place value while exploring real-world population data from countries across Asia. De
1st - 5th
Arithmetic, Geography, Place Value
6 Week Addition/Subtraction Fact Fluency Intervention Plans (2.OA.B.2)
Addition & Subtraction Math Fact Fluency Intervention Evidence-Based | MTSS & Special Education Aligned | Grades K–3Are your students struggling with addition and subtraction fact fluency—even after repeated practice or drills? This 6–8 week, research-based intervention is designed to build true fluency through strategy instruction, accuracy, and reasoning—not memorization alone. This resource provides everything you need to implement a data-driven, defensible math fact fluency intervention
K - 6th
Arithmetic, Mental Math
CCSS
2.OA.B.2
2-Digit Subtraction NO Regrouping Progress Monitoring Baseline 15 Trials Graph
✨ Track and assess math skills with this 2-digit subtraction without regrouping progress monitoring resource, perfect for special education, math intervention, RTI assessments, MTSS, and IEP goal tracking. This printable packet includes a baseline test, 15 math probe worksheets (10 questions each for quick percentage scoring), answer keys, and a student progress tracking graph. Designed for 1st grade, 2nd grade, 3rd grade (and beyond) math intervention, these subtraction practice wor
1st - 4th
Arithmetic, Basic Operations, Graphing
CCSS
1.NBT.C.4
Long Division Step-by-Step Practice | Single-Digit Divisor | Grades 4–6
✅ Master Long Division with This Easy-to-Use Fold-Up for Grades 4–6!Help your students gain confidence with long division using this interactive fold-up—perfect for math notebooks, small groups, or independent practice. This printable and digital resource clearly breaks down the traditional algorithm into manageable, step-by-step visuals that✅ Master Long Division with This Easy-to-Use Fold-Up for Grades 4–6!Now includes an Error Analysis activity to help students identify and correct c
4th - 6th
Arithmetic, Basic Operations, Math
CCSS
4.NBT.B.6
, 5.NBT.B.6
Also included in: 5th Grade Math Fold-Up Bundle | 41 Interactive Notebook Activities
Winter Count & Match Worksheet, Numbers 1-20 One to One Correspondence
Pre-K and Kindergarten students. This resource focuses on counting objects and matching them to the correct numeral from 1 to 20. Ideally suited for morning work, math centers, or homework, these pages support fluency in number recognition and quantification through structured independent practice without requiring extra setup time. Reinforces counting skills and number identification up to 20Strengthens one to one correspondence and fine motor controlIncludes 10 pages suitable for whole group o
PreK - K
Arithmetic, Numbers
CCSS
K.CC.B.4
, K.CC.B.5
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