Handout
Homeschool Math

Homeschool Math: Multiply and Divide Decimals by 10, 100, and 1000

For Students 5th - 6th Standards
Lesson includes a video & examples showing the common shortcut for multiplying & dividing decimals by powers of ten. [7:59] Provides exercises and word problems for practice.
Unit Plan
Khan Academy

Khan Academy: One Step Multiplication/division Equations: Fractions, Decimals

For Students 5th - 7th
Practice solving equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Activity
Discovery Education

Discovery Education: Web Math: Convert Regular Decimals to Scientific Notation

For Students 9th - 10th Standards
This site gives an answer and explanation for any conversion requested by the user.
Interactive
Calculator Soup

Calculator Soup: Long Division Calculator With Decimals

For Students 9th - 10th
Do long division with decimal numbers and see the work for the calculation step-by-step. Enter positive or negative decimal numbers for divisor and dividend and calculate a quotient answer.
Unit Plan
Mangahigh

Mangahigh: Number: Multiply and Divide Decimals by 10, 100, 1000

For Students 4th - 8th Standards
This site provides students practice with the concept of multiplying and dividing decimals . Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Quotients Using Zero Placeholders

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Divide decimals by whole numbers using zero placeholders.
Unit Plan
Khan Academy

Khan Academy: Understanding Moving the Decimal

For Students 4th - 6th Standards
Give the number of tens a number is being multiplied or divided by when the decimal is moved to the left or right. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Math Is Fun

Math Is Fun: Adding Decimals

For Students 3rd - 8th Standards
Learn to add decimals by viewing simple steps and examples. Follow links to decimal worksheets, as well as steps for subtracting, multiplying, and dividing decimals.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Buying Gas

For Teachers 6th
This is a decimal division problem about the cost of a gallon of gas. Aligns with 6.NS.B.3.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: What Is 23/5?

For Teachers 4th - 8th Standards
When a division problem involving whole numbers does not result in a whole number quotient, it is important for students to be able to decide whether the context requires the result to be reported as a whole number with remainder (as...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: The Value of Education

For Teachers 4th - 8th
The purpose of this task is for students to add, subtract, multiply, and divide decimal numbers in a real-world context. The weekly income earned by each person in the task is the median weekly income for their education level, but they...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1

For Teachers 6th Standards
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Gifts From Grandma, Variation 3

For Teachers 6th Standards
This task presents three problems about money spent on grandchildren at a fair. The first problem involves decimal multiplication and the other two require decimal division. The activity includes two additional activity attachments that...
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Setting Goals

For Teachers 6th
Sixth graders solve problems requiring decimal division in this task about setting financial goals. Aligns with 6.NS.B.3.
Website
AAA Math

Aaa Math: Aaa Math Lessons

For Teachers 3rd - 8th
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
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.