Addition/Subtraction Triangle Fact Cards
This video shows how Triangle Fact cards can be used to build quick recall with addition and related subtraction facts. These cards take the place of traditional flash cards, and …
Assessing Mathematical Fluency
It is the end of the school year. You’ve spent time and energy teaching various math concepts so that your students have a conceptual understanding of content. Students in your …
Joining and separating….using actions to understand addition and subtraction
According to MAFS.K.OA.1.1, students in kindergarten are required to, “Represent addition and subtraction with objects, fingers, mental images, drawings, sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.” …
The struggle can be real when subtracting!
Do you have students in third, fourth, or fifth grade that are struggling with subtraction? Chances are, they missed the concrete phase of modeling subtraction with regrouping. This skill is …
Progression of Addition and Subtraction
The Progression of Addition and Subtraction is a wildly discussed topic in elementary schools. It is important that we do not rush students’ understanding of the operations. Learning should be …
Round and Round We Go… Where we will stop… At Rounding?
In 4th grade students also use rounding to estimate sums and differences. This strategy is used to make sure that their estimation is reasonable. They used this strategy in 3rd …
Top 5 Things to consider when teaching 3rd grade students about adding or subtracting with place value understanding!!
Here are the Top 5 things to consider when teaching 3rd grade students about adding and subtracting multi-digit numbers with place value understanding: 1. Student’s prior knowledge from 2nd grade …
Concrete-Representational-Abstract
What is the Concrete-Representational-Abstract (CRA) instructional approach? CRA is a gradual systematic approach to teaching mathematics. Each stage builds on to the previous stage and therefore must be taught in …
Direct Modeling- Why is it Important?
What is direct modeling? Direct modeling is when students show exactly what is happening in the problem, using manipulatives or pictures, to solve. Direct modeling is a powerful strategy that …
Open Number Lines Can Change Your Life!
What are open number lines? An open number line starts as a line with no numbers. They can be used as a visual representation for recording thinking during the process …
A Different Angle on Basic Facts
Many kids who struggle to learn their basic facts often believe there are hundreds of facts to be learned because they do not understand the relationship between the facts and …