Activity
Texas Instruments

Texas Instruments: Number and Operation Sense: Rational Numbers

For Teachers Pre-K - 1st
Students learn to use the calculator to collect a set of data in order to identify patterns that illustrate important rational number concepts: the relationship between rational numbers and division, and equivalent fraction and decimal...
Interactive
Doina Popovici

Math Play: Changing Fractions and Decimals to Percents

For Students 3rd - 8th
This Millionaire Game challenges students to convert fractions and decimals to percents. Students will use decimal notation with denominators of 10 and 100 and convert rational numbers to decimals using long division.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Movie Tickets

For Teachers 6th Standards
In this task, 6th graders are asked to compare the buying power of $20 in 1987 and 2012 with respect to the cost of movie tickets. Aligns with 6.NS.B.3.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals: Thousandths

For Students 6th - 8th Standards
In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Multiplying Decimals 3 (Standard Algorithm)

For Students 6th - 8th Standards
In this exercise, students practice multiplying decimals 3. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Subtracting Decimals: Thousandths

For Students 6th - 8th Standards
In this exercise, students practice subtracting decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Disfruta Las Matematicas

Disfruta Las Matematicas: Hojas De Ejercicios De Decimales

For Students 3rd - 5th Standards
This site contains many worksheets dealing with decimals and operation with decimals. Each worksheet has many variations. You can see them on the screen and print them with or without the answers.
Unknown Type
Shmoop University

Shmoop: Fractions & Decimals: Adding & Subtracting Decimals

For Students 9th - 10th Standards
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Scientific Notation

For Teachers 9th - 10th
Dealing with very small or very large numbers can be tedious. Scientific notation helps simplify the process and this tutorial teaches students scientific notation with multiple examples, practice problems, calculator tips, and two...

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