Texas Instruments
Texas Instruments: Numb3 Rs: Guarding the Goods (Part Ii)
Based off of the hit television show NUMB3RS, this lesson introduces students to the Art Gallery problem, in which guards must be placed so that an entire area is guarded. This lesson may be used concurrently with Guarding the Goods...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Edmonton Public Schools (Canada)
Edmonton Public Schools: Long Division
This resource consists of rules and examples of long division with and without decimal divisors and dividends.
BBC
Bbc: Bitesize: Introduction to Computational Thinking
Find out about the four cornerstones of computational thinking, and how these contribute to task completion and learning.
Cool Math
Coolmath: Coolmath4kids: Scratch Addition
Demonstrates a method for easily adding long vertical columns of numbers. Includes two sample problems to try.
Khan Academy
Khan Academy: Subtracting Decimals: Thousandths
In this exercise, students practice subtracting decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Multi Digit Multiplication
In this exercise, students practice multi-digit multiplication. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Multiplying Decimals 1
In this exercise, students practice multiplying decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Divide by Taking Out Factors of 10
Divide numbers like 2400 / 30. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Basic Multi Digit Division
Divide numbers like 155/31 or 225/25. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Mathigon
Mathigon: Graphs and Networks: Graphs in Everyday Life
This lesson focuses on graphs in everyday life including virtual graphs such as the Internet or physical computer networks of computers. It puts graph theory into practice and provides examples and learning exercises.
CK-12 Foundation
Ck 12: Elem Math: Multiply 2 Digits by 2 or More Digits: Long Multiplication
[Free Registration/Login may be required to access all resource tools.] This learning module features a video and a practice quiz students put digits into a column to multiply each digit of the multiplier by the multiplicand.
Other
Greatest Common Factor Calculator
Free online calculator provides help with finding the greatest common factor.
Illustrative Mathematics
Illustrative Mathematics: 3.oa Finding the Unknown in a Division Equation
This task shows an equation that elicits key misconceptions around equations and division. Aligns with 3.OA.A.4 and CCSS.Math.Content.3.OA.A.4 Determine the unknown whole number in a multiplication or division
Illustrative Mathematics
Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1
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.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Movie Tickets
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.
Khan Academy
Khan Academy: Multi Digit Division
In this exercise, students practice multi-digit division. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Calculator Soup
Calculator Soup: Greatest Common Factor Gcf Calculator
Calculate GCF, GCD, and HCF of a set of two or more numbers and see the work using factorization. An interactive calculator, explanations, and examples are included.
Khan Academy
Khan Academy: Multiply by Taking Out Factors of 10
Multiply numbers like 900 x 1000 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Evaluate Sequences in Recursive Form
Find the first few terms of sequences that are defined recursively. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Divide Multi Digit Numbers by 2, 3, 4, and 5 (Remainders)
Practice dividing multi-digit numbers by one digit numbers with remainders.
Common Core Sheets
Common Core Sheets: Number and Operations in Base Ten 5.nbt.5 Worksheets
Print or create worksheets or flashcards to assess students understanding of operations with multi-digit whole numbers.
Alabama Learning Exchange
Alex: What's Your Question? Multiplication Word Problems
Students will explore multiplication and word problems. They will work cooperatively to examine a story scenario, list possible questions to develop a completed word problem and solve it using a variety of strategies. The students will...
Khan Academy
Khan Academy: Constructing Curves Using Repeated Linear Interpolation
Using the interactive tool, construct curves using repeated linear interpolation.
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