CK-12 Foundation
Ck 12: Arithmetic: Differences of Integers With Different Signs
[Free Registration/Login may be required to access all resource tools.] Find the difference of integers with different signs.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Integers With the Same Sign
[Free Registration/Login may be required to access all resource tools.] Find the difference of integers with the same sign.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Integers Using a Number Line
[Free Registration/Login may be required to access all resource tools.] Use a number line to find the differences of integers.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Fractions With Like Denominators
[Free Registration/Login may be required to access all resource tools.] Find the difference of fractions with like or common denominators.
CK-12 Foundation
Ck 12: Algebra: Simplify Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate and simplify variable expressions involving subtraction and integers
CK-12 Foundation
Ck 12: Arithmetic: Decimal Subtraction Using Front End Estimation
[Free Registration/Login may be required to access all resource tools.] Estimate decimal differences using front-end estimation
CK-12 Foundation
Ck 12: Elem Math: Mixed Review Place Value Problems Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to find the difference of two numbers with digits in the thousands place. The video is followed by a series of practice questions to assess...
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Sophia Learning
Sophia: Who vs. Whom
This lesson discusses the difference between who and whom and explains when each one should be used. This tutorial lesson shares a short slideshow with the lesson's content.
ABCya
Ab Cya: Balloon Pop Subtraction
The learning game review subtraction facts. Players pop balloons to solve the subtraction problems.
Soft Schools
Soft Schools: Comparing Plant and Animal Cells Quiz
Take an interactive quiz over plant and animal cells. After completing the quiz, check your score, and then revisit any incorrect question for further review.
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.
National Council of Teachers of Mathematics
Nctm: Figure This: Do Women Live Longer Than Men?
Use this site to figure out if women really do live longer than men. A math challenge taken from today's health journals that explores data collection, data analysis, patterns, and graphing skills. Learn how mastering these skills can be...
Other
Ministerio De Educacion: Suma Y Resta
Practice your mental math by finding two numbers knowing their sum and difference.
Fun Brain
Fun Brain: Math Baseball
Subtraction with numbers less than five is investigated in this math resource. Players answer subtraction problems to score runs.
Purple Math
Purplemath: Mean, Median, Mode, and Range
Mean, median, and mode are three kinds of "averages". The "mean" is the "average" you're used to, where you add up all the numbers and then divide by the number of numbers. The "median" is the "middle" value in the list of numbers. To...
CK-12 Foundation
Ck 12: Arithmetic: Differences of Integers Using Absolute Value
[Free Registration/Login may be required to access all resource tools.] Subtract integers by using opposites
CK-12 Foundation
Ck 12: Arithmetic: Subtraction of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to subtract rational numbers. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Comparison of Problem Solving Models
[Free Registration/Login may be required to access all resource tools.] Use the strategies of making a table and looking for a pattern to solve problems.
Alabama Learning Exchange
Alex: Carlos the Centipede Is Subtracting Decimals!
In this activity, young scholars will work in collaborative/cooperative groups to understand subtracting decimals. Students will use decimal grids to represent the difference of decimals. Emphasis is on using place-value, lining up the...
Math Drills
Math Drills: Subtraction Worksheets
Download these worksheets to sharpen your subtraction skills. Sheets focus on single and multi-digit subtraction, subtracting across zeros and calculating complements, and subtracting in other base number systems.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Place Value, Rounding & Algorithms for Add'n and Subtr'n
A guide to support parents as they work with their students in place value, rounding, and algorithms for addition and subtraction.
Other
Nearpod: Subtraction: Animal Edition
In this lesson, students will use number lines and ten frames to solve subtraction word problems within 10.
Other
Nearpod: Adding & Subtracting Within 5
In the lesson on adding and subtracting within 5, students will use five frames to add and subtract. They will also review key vocabulary terms, like sum, difference, and equal sign.