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: Mr. Martini's Classroom: Adding Objects
Practice addition facts 1 to 9 with numbers and pictures in this interactive game.
Mr. Martini's Classroom
Mr. Martini's Classroom: Counting by 5's
Practice counting by 5's and change the value to count higher or lower. Press "How to do this" for further instructions.
Mr. Martini's Classroom
Mr. Martini's Classroom: Skip Counting by Twos
Practice skip counting by two's by determining the missing value.
Mr. Martini's Classroom
Mr. Martini's Classroom: Count to 99
Practice counting to 99 using a 100 block grid to determine the value.
Mr. Martini's Classroom
Mr. Martini's Classroom: Counting by Ones
Practice counting from 1 to 99 by selecting the missing value.
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' Addition Quiz
Assess knowledge of addition facts from 1 to 9 with this interactive quiz. Click check my answers and do it again, to verify answers and continue practice.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 3
Practice addition facts up to three with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 4
Practice addition facts up to four with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 6
Practice addition facts up to six with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 7
Practice addition facts up to 7 in this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Adding Up to 8
Practice addition facts up to 8 with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 9
Practice subtraction facts up to nine with this interactive exercise.
Mr. Martini's Classroom
Mr. Martini's Classroom: Kids' Subtract Up to 4
Practice subtraction facts up to four using this interactive exercise.
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.
CK-12 Foundation
Ck 12: Elem Math: Overview of Subtraction Numbers to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video explains two subtraction problems one with regrouping and the other without regrouping.
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.
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.
Other
Maths.cilenia.com: Addition
Students will practice addition. subtraction, multiplication, and division by changing the sign and solving.
ABCya
Ab Cya: Balloon Pop Subtraction
The learning game review subtraction facts. Players pop balloons to solve the subtraction problems.
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.
Cool Math
Coolmath: Coolmath4kids: Subtraction
A set of seven short tutorials on subtraction. Begins with a basic introduction to how subtraction works and covers topics such as fact families, place value, and regrouping.
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.