Texas Instruments
Texas Instruments: Number and Operations 100 or Bust
In this activity students explore the operations of addition, subtraction, multiplication and division of whole numbers and integers.
Annenberg Foundation
Annenberg Learner: Operations
Anneberg Learner: Operations the source provides addition, subtraction, multiplication, and division. It also provides an understanding of its relationships to whole numbers.
Texas Instruments
Texas Instruments: Number and Operation Sense: Whole Numbers
In this activity, students attain a basic understanding of numbers and number operations, developing number sense, and gaining fluency in arithmetic computation. They also learn to use the calculator to explore the mathematical...
AAA Math
Aaa Math: Multiplying Fractions by Whole Numbers
Equating an integer with a whole number for these purposes, this lesson explains how to multiply fractions by an integer. Provides problems and games to work on this skill.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.
Common Core Sheets
Common Core Sheets: Number and Operations in Base Ten 5.nbt.6 Worksheets
Teachers can assess students' knowledge of how to perform operations with multi-digit whole numbers and with decimals to hundredths with these printable worksheets. You can even create your own worksheet or flashcards.
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.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
Annenberg Foundation
Annenberg Learner: Patterns in Mathematics: Mystery Operations
This interactive activity allows you to change an equation's numbers in an attempt to figure out what operations are being used to control the answers.
Math Drills
Math Drills: Order of Operations Worksheets
Order of operations worksheets can be downloaded and printed for free. Sheets focus on the order of operations with whole numbers, integers, fractions, and decimals.
Amby Duncan-Carr
Prime Factorization: Amby's Resources
What is prime factorization? This site goes through a step-by step process explaining different ways to find the prime factorization.
Illustrative Mathematics
Illustrative Mathematics: Mixed Numbers With Unlike Denominators
The purpose of this task is to help students realize there are different ways to add mixed numbers and is most appropriate for use in an instructional setting. The two primary ways one can expect students to add are converting the mixed...
Other
Nearpod: Problem Solving: Rational Numbers
In this lesson on rational numbers, 7th graders will learn how to solve real-life problems involving rational numbers.
CK-12 Foundation
Ck 12: Arithmetic: Quotient Estimation With Mixed Numbers/fractions
[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate quotients of fractions and mixed numbers using benchmarks and rounding. Students examine guided notes, review guided practice, watch...
Texas Instruments
Texas Instruments: Creating Word Problems
In this activity, students write word problems based on the whole numbers generated by the calculator. They decide on an operation to solve the problems. They analyze the problems to determine the problem characteristics when using...
Illustrative Mathematics
Illustrative Mathematics: 5.nf Banana Pudding
The purpose of this task is to provide students with a concrete situation they can model by dividing a whole number by a unit fraction. Aligns with 5.NF.B.7.
University of Texas at Austin
Mathematics Teks Toolkit: Divide and Conquer
Explore how to divide fractions through multiple activities and the division of whole numbers.
Better Lesson
Better Lesson: Adding and Subtracting Fractions
Understanding that when the total number of parts of a whole are the same, fractions can be added.
AAA Math
Aaa Math: Long Division: Dividing a 4 Digit by 2 Digit Numbers
This site explains how to divide whole numbers, then offers problems and games to practice this skill.
Khan Academy
Khan Academy: Subtract Decimals 7
Subtract larger whole numbers, tenths, and hundredths like 35.65-17.34. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
AAA Math
Aaa Math: Adding Two Digit Numbers
This lesson has an explanation for adding two-digit numbers using paper and pencil. There is also a game to practice your skills. The game gives you a percent score of your correct answers, as well as running totals of your correct and...
Quia
Quia: Subtracting to Win a Million
Students will love playing this "Who Wants to be a Millionaire," style game as they work through the subtraction problems. Some of the numbers are large, but there is no regrouping necessary.
AAA Math
Aaa Math: Adding Five Digit Numbers
AAAMath.com provides an online game to practice addition with five digit numbers. The game will give you addition problems and keep track of your correct and incorrect answers. It will also give you a percent score for the correct answers!
AAA Math
Aaa Math: Adding Six Digit Numbers
This lesson has a game and explanation of addition with six digit numbers. The game will keep running totals of your correct and incorrect answers. It will also give a percent score of the correct answers for you to see.