Cyberchase video in which a man must adjust his dinner budget after his cousin unexpectedly decides to join him on his date. [3:26]
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]
This word problem requires students to find multiple solutions.
Sal discusses the conditions of matrix dimensions for which addition or multiplication are defined. Created by Sal Khan.
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This short video and interactive assessment activity is designed to give fourth graders an overview of subtraction (numbers to 1,000).
This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers to 1,000).
This short video and interactive assessment activity is designed to teach third graders an overview of subtraction (numbers to 1,000).
These word problems address common errors that students make when adding fractions.
Download these free worksheets to sharpen your math skills. These Easter math worksheets focus on a variety of topics including addition, multiplication, statistics, word problems, and patterning.
This task helps students understand the meaning of the equal sign and to use it appropriately.
Demonstrates the role of parentheses in a written expression by solving one with and without the parentheses. [2:06]
Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.
This short video and interactive assessment activity is designed to teach second graders about fact families (numbers to 1,000).
This short video and interactive assessment activity is designed to teach third graders about fact families (numbers to 1,000).
This task allows students to relate addition and subtraction problems to money in a context that introduces the concept of scarcity.
In this video segment from Cyberchase, through addition and regrouping in base sixty, Matt helps Digit figure out what time his CyberSoufflŰ__ŰÖ will be done.
This short video and interactive assessment activity is designed to teach third graders about filling in the missing + or - sign.
These word problems require students to compare contexts for addition and subtraction.
This task asks students to solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.
Students learn about matrix addition and subtraction, and scalar multiplication. The tutorial consists of class notes, examples, and practice problems. Review exercises and a chapter quiz are included.
In this first module of Grade 1, students make significant progress towards fluency with addition and subtraction of numbers to 10 as they are presented with opportunities intended to advance them from counting all to counting on which leads many students then to decomposing and composing addends and total amounts.
Find the rest of the EngageNY Mathematics resources at https://archive.org/details/engageny-mathematics.