Number System

In this video lesson Mr. Donnelly will explain how expressions can be shown in multiple ways on a number line by explanation and examples.

In this video lesson Mr. Donnelly will demonstrate how to use models to explain whole numbers as fractions.

Flipped Classroom Video on dividing mixed numbers using the KFC method and reciprocals. The students will need to convert the mixed numbers into improper fractions, see examples on dividing mixed numbers, including word problems, and must complete the homework at the end of the video.

In this video lesson students will be able to recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.

Determine the unknown whole number in a multiplication or division equation relating three whole numbers.

An in-depth look into natural numbers, whole numbers, rational, irrational and integers.

Expanded Form by Mr Pineault

In this video lesson Mr. Donnelly will show how to fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

In this video lesson, Mr. Donnelly will be explaining numberlines and fractions for third grade students.