Debug Algorithm

4+ results

Addition & Subtraction Standard Algorithm Posters | Calm Math Anchor Charts

Created by

Bring clarity and calm to your math classroom with this set of 2 posters featuring the Standard Algorithm for Addition and the Standard Algorithm for Subtraction. Designed in neutral, earthy tones, these posters create a soothing and focused environment while supporting student learning. Each poster provides a clear step-by-step guide to help students understand and apply the standard algorithm with confidence. Perfect for: Classroom wall displays Small group instruction areas Math refere

Not Specific

Arithmetic, Basic Operations, Other (Math)

3 Digit by 3 Digit Addition Algorithm Steps | Anchor Chart + Student Version

Created by

Somewhere Over in Sydneyland

Teaching the standard algorithm for 3-digit addition can feel simple… until regrouping shows up and half the class freezes. I created this step-by-step visual because my students needed something clear, predictable, and consistent to reference — without me reteaching it every time. This resource breaks down 3-digit by 3-digit addition with regrouping into manageable steps that students can actually follow independently. The anchor chart version is perfect for your math wall, and the student vers

3rd - 4th

Arithmetic, Basic Operations

CCSS

3.NBT.A.2

, 4.NBT.B.4

Addition and Subtraction Mats to 1,000 and 10,000 Base Ten & Standard Algorithm

Created by

The Creative Bunny

These versatile math mats help students visualize and solve addition and subtraction problems using both base ten models and the standard algorithm. Designed to strengthen understanding of place value and multi-digit operations, these mats give students a clear structure for representing, modeling, and solving problems step by step. This download includes two versions: Version 1: For numbers within 1,000 (three-digit numbers) Version 2: For numbers within 10,000 (four-digit numbers) Each mat

1st - 4th

Arithmetic, Basic Operations, Place Value

CCSS

1.NBT.A.1

, 1.NBT.B.2

, 1.NBT.B.2a

+26

5th Grade base 10 practice test

Created by

MissGdog

This 20-question multiple choice practice test is designed to assess student understanding of the 5th Grade Common Core domain: Number & Operations in Base Ten (5.NBT). It targets key skills students must master, including: Understanding place value and powers of ten Reading, writing, and comparing decimals Rounding whole numbers and decimals Performing operations (add, subtract, multiply, divide) with whole numbers and decimals Applying algorithms and estimation strategies The questions

5th

Arithmetic, Math Test Prep, Other (Math)

CCSS

5.NBT.A.1

, 5.NBT.A.2

, 5.NBT.A.3