ReadWriteThink
Read Write Think: Draw a Math Story From the Concrete to the Symbolic
Contains plans for four cross-curricular lessons that ask students to write simple addition and subtraction stories after reading a number of models. In addition to objectives and standards, this instructional plan contains links to PDF...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf]
Students will roll a die and follow the directions to explore adding and subtracting on a number line.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: True or False [Pdf]
Students determine which addition and subtraction equations are true and false and place them under the correct place.
Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Without Regrouping
Solve word problems with addition and subtraction without regrouping. Then test your knowledge.
Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Additon With Regrouping
Solve problems step by step by addition with regrouping.
Scholastic
Scholastic: Study Jams! Math: Relate Adding, Subtracting
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Picking Signs
Chose which sign addition or subtraction completes the expression. Click "How to do this" for further instructions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtraction Quiz
Practice subtraction skills for numbers 1 to 9 with this interactive assessment. Click check my answers to verify answers and do it again to practice more.
Mr. Martini's Classroom
Mr. Martini's Classroom: Subtracting With Multiple Choices Math Facts
Practice subtraction facts 4 to 9 with this interactive multiple choice activity.
AAA Math
Aaa Math: Subtraction
This tutorial focuses on basic subtraction, subtraction facts, subtraction skills, subtraction of fractions and subtraction of positive and negative integers. Features include practice exercises and games.
Math Slice
Math Slice: Math Millionaire
Answer only 15 questions to become a Math Millionaire when you play this interactive game that focuses on a variety of math skills. An engaging, fast paced, and fun way for learners to review math concepts. Answers are checked immediately.
Math Is Fun
Math Is Fun: Equal, Greater, or Less Than
Find definitions of the equal, not equal, less than, and greater than signs, as well as information what you are supposed to do with them and how they are used in general math and in algebra.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Elementary Addition
This resource offers six brief arithmetic lessons: sums less than ten, sums of ten, and sums between ten and twenty, doubling, zero, and a set of general practice problems.
Math Is Fun
Math Is Fun: Word Questions: Elementary Subtraction
Simple word problems challenge your subtraction skills. If you get stuck, use the clues and the number line for help.
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.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Equal Sums [Pdf]
Students draw two cards and determine if the number sentences on them have equal sums.
Illustrative Mathematics
Illustrative Mathematics: 1.oa Using Lengths to Represent Equality
For this lesson plan, 1st graders determine if lengths are equal to one another.
Illustrative Mathematics
Illustrative Mathematics: 1.oa Valid Equalities?
This lesson plans allows students to explore the meaning of the equal sign in addition and subtraction problems.
Khan Academy
Khan Academy: Equal Sign
Practice telling which equation is true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Cool Math
Coolmath: Coolmath4kids: Yardstick Subtraction
Demonstrates how to use a yardstick as a number line for simple subtraction.
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.
Khan Academy
Khan Academy: Find Missing Number (Add and Subtract Within 20)
Learn how to solve problems like "___ - 7 = 18" where you don't know one of the values in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Illustrative Mathematics
Illustrative Mathematics: Equality Number Sentences
Students will compare the number of circles in two boxes. If they are equal, they will write a number sentence. Explanations and examples are included.
Illustrative Mathematics
Illustrative Mathematics: Find the Missing Number
Students will solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.