Problem Solving Work
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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
FIRST GRADE: Halloween Word Problems Knockout Game
Bring Halloween excitement into your math block with this engaging First Grade Halloween Word Problems Knockout Game! Students will solve spooky-themed addition and subtraction word problems while participating in an exciting game-show-style competition. This interactive resource helps build problem-solving skills, mathematical reasoning, and confidence in a fun and motivating way. Students will read and solve Halloween-themed story problems featuring pumpkins, candy, costumes, ghosts, bats, and
1st
Basic Operations
CCSS
1.OA.A.1
, 2.OA.A.1
, 2.OA.B.2
SECOND GRADE:Halloween Addition/Subtraction(no regrouping)Word Problems Knockout
Make math practice fun and engaging this Halloween season with these Second Grade Halloween Addition & Subtraction Word Problems (No Regrouping)! Students will solve festive Halloween-themed story problems while building confidence with addition and subtraction within 100. Perfect for math centers, morning work, small groups, independent practice, homework, or seasonal review, these no-prep activities provide meaningful practice without the complexity of regrouping. Perfect For:🎃 Math Centers
2nd
Basic Operations
CCSS
2.NBT.B.5
, 2.OA.A.1
Error Analysis Slides K-2 | Math Discourse & Reasoning | Mistake Museum
🏛️ THE MISTAKE MUSEUM: MATH ERROR ANALYSIS + DISCOURSE SLIDES (K–2) Your students can get the answer… but can they explain WHY it works (or doesn’t)? The Mistake Museum transforms your math block into a powerful discussion-driven experience where students become CURATORS — analyzing, debating, and defending mathematical thinking. Instead of worksheets, students explore a gallery of “mistakes” and decide: Should this be EXHIBITED, FIXED, or CHALLENGED? ✨ This is not just math practice — it’s rea
1st - 2nd
Basic Operations, Measurement, Numbers
First Grade Subtraction from 10 Fact Fluency Knockout
Build subtraction fact fluency in a fun and engaging way with this First Grade Subtraction from 10 Math Fact Fluency Knockout Game! Students will strengthen their subtraction skills while participating in an exciting team-based game that promotes collaboration, participation, and confidence in math. This low-prep resource is perfect for whole-group review, math centers, intervention groups, morning work, and fact fluency practice throughout the school year. Students will stay engaged as they sol
1st
Basic Operations, Mental Math
CCSS
1.OA.C.6
, 2.OA.B.2
Also included in: Bundle:First Grade Addition and Subtraction Facts from 10 Knockout Games
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