Debug Algorithm

3+ 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

Partial sums 2 digit addition mini lesson, Game for Practice, assessment

Created by

elizabeth nichols

Partial sums addition strategy uses place value to solve addition equations.Students struggle with traditional algorithm because they don’t understand that “carry the one” means they are actually composing a ten. Even students who use the traditional method will benefit from partial sums practice. Math Games Boost Engagement & Motivation, promotes deep understanding & fluencyIncludes:3 page mini lessonassessment Race to the Top Game Players read the equation made with the cards aloud togethe

2nd - 3rd

Basic Operations, Mental Math

CCSS

1.NBT.C.4

, 2.NBT.A.1

, 2.NBT.A.3

Reasoning Puzzles: 2 by 2 Digit Multiplication, Area Model, Partial Product Task

Created by

Beyond Traditional Math

Deepen your student's understanding of two by one digit and two by two digit multiplication with these true false puzzles that feature area model, arrays, partial product and that standard algorithm. These puzzles can just be printed and handed out to students to get started. Check out the preview to try a free one. This is the second in the multiplication series. After learning about the meaning of multiplication in the first set, students will be ready to move on to both single and double dig

3rd - 5th

Basic Operations, Math, Math Test Prep

CCSS

4.NBT.B.5

, 4.NBT.B.6