Debug Algorithm

2+ results

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

Created by

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

2-Digit Addition with Regrouping Workmat & Recording Page

Created by

Teaching Letters and Numbers

This 2-Digit Addition Work mat is a great tool when introducing regrouping to students. Students use base-10 blocks to model the addition problems. If there are enough ones to make a new ten then they will mark the box on the work mat and exchange 10 ones for a ten stick. This activity is a bridge between manipulatives and the standard algorithm. Two recording pages are included for small group and independent practice. This would make a wonderful math center and the work mat could be used wi

1st - 2nd

Applied Math, Basic Operations, Place Value

CCSS

2.NBT.B.5

, 2.NBT.B.6

, 2.NBT.B.7