New! Positive and Negative Numbers
6th - 7th
Contest winner? Use this story about winning tickets to an NFL football game to plot numbers on a number line. Identify positive and negative values in the story and use the worksheet provided to plot out temperature, altitude, and money values. Then, have a discussion about numbers plotted to the left of zero and numbers to the right of zero.
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Designed for Common Core
Intro to Adding/Subtracting Rational Numbers - 7.NS.1.c
Here is a lesson that will help you meet seventh grade math Common Core skills standards. Learners work in collaborative groups to solve a real-world scenario using the subtraction of rational numbers. They jigsaw into other groups and display their solutions on a number line. Although the lesson plan includes the use of the Geometer's Sketchpad® application, it can be taught sufficiently without it. Note that there is not a lot of teacher support in this write-up, and that you will need to create your own homework problems to assign as reinforcement.
Chapter 2: Integers & the Number Line
Here is an extensive set of teacher's notes to help you teach all about integers. Begin by introducing a number line and how it can be used to visualize positive and negative numbers. Talk about absolute value and the additive inverse concept. Finally, instruct your class about applying all four operations to positive and negative integers. Whereas there is nothing out-of-this-world in this resource, it is comprehensive and especially helpful if you are new to teaching these concepts!
Place Value & Picasso
Place value to the millions is the focus of this math lesson. Third and fourth graders investigate multiple ways to represent a number. They examine place value while studying factual information about Pablo Picasso. Resources are provided.
Signed Numbers/Integers Worksheets
In this positive and negative numbers worksheet, middle schoolers compute the values indicated using addition, subtraction, multiplication and division, with answer keys included.
Lesson 3: Number Sense
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Properties of Real Numbers
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties. In groups, they write a "properties poem" and create a slide show explaining the properties. Additional multi-sensory projects are listed.
Negative Numbers Introduction
Sal tackles pre-algebra in this series of videos, starting with the concept of negative numbers. Using a number line, he takes the viewer through different practical examples of negative numbers, such as temperature and bank accounts. Even those who are experienced in algebra will benefit from a refresher in these calm, easy-to-understand presentations.
Balancing Number Sentences to Introduce Missing Values
Students balance number sentences to learn about missing values. In this balanced equations lesson plan, students use the word problem to study missing values. Students watch a video about the topic and play two games about balancing equations with multiple terms as well as solving equations for missing values. Students then complete a worksheet about missing value equations. Students finish with two assessments for balancing equations.
Place Value Possibilities
Fourth graders use place value to solve problems, to play a game, and to answer questions about numbers. They will use Microsoft Word to manipulate numbers in the correct order and write the name of that number. Students discover how place value relates to the real world.
Number Line Game
Learners understand number line concepts and the addition of positive and negative integers. In this number line lesson, students create and use a number line to play a game. Learners will use different colored dice to represent positive and negative integers. Students move clothespins on their number lines based on the throw of the dice. The first student to move off the number line with positive numbers is the winner.
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