Lesson Plan
Illustrative Mathematics

Kiri's Mathematics Match Game

For Teachers K - 2nd Standards
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
Lesson Plan
EngageNY

One-Step Equations—Addition and Subtraction

For Teachers 6th Standards
Just one step is all you need to find success in solving equations. The 27th installment in a series of 36 teaches how to solve one-step equations involving addition and subtraction. Tape diagrams help future mathematicians in this task.
Assessment
2
2
Illustrative Mathematics

Cell Phone Plans

For Teachers 8th Standards
Turn your classroom into a local cell phone store. Then, have your cell phone agents use linear equations to visually display three cell plans and their advantages. It makes for a great group project. Discuss how to decide which plan is...
Lesson Plan
Illustrative Mathematics

Equality Number Sentences

For Teachers K - 2nd Standards
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
Activity
Illustrative Mathematics

6.EE.4 Equivalent Expressions

For Teachers 5th - 7th Standards
Straight to the point, learners are asked to compare a set of five expressions, determine which are equivalent, and then write equivalent equations for those that do not have any. A benefit is that they will review using properties...
Assessment
Illustrative Mathematics

Counting Dots in Arrays

For Students 2nd Standards
Mathematical arrays can represent several different math skills, including counting groups, multiplication, and even area. In this specific task, learners are asked to identify the addition equations that are equal to a 3 x 4 array....
Assessment
EngageNY

End-of-Module Assessment Task: Grade 7 Module 2

For Students 7th Standards
Learners demonstrate their ability to operate with rational numbers through a five-question assessment that includes questions ranging from simple operations with integers to solving two-step equations with rational coefficients.
Assessment
1
1
Balanced Assessment

Telephone Service

For Students 9th - 12th Standards
Class members must determine the best phone plan for customers. by assessing three different phone plans. Each plan price depends not only the number of minutes, but also the location of the calls — bringing in a third variable. Scholars...
Assessment
Inside Mathematics

Magic Squares

For Teachers 9th - 12th Standards
Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra. 
Unknown Type
Other

Project Happy Child: Free Addition Worksheets

For Students Pre-K - 1st Standards
2000 basic addition worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
Unknown Type
Knowledge Share

Super Kids: Addition Worksheet Creator

For Students 3rd - 8th
Create your own addition math facts worksheets. Use them in the classroom for practice or timed drills, or at home! Choose from two levels of difficulty, and vertical or horizontal equation format. You input minimum and maximum values of...
Unknown Type
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving One Step Equations

For Students 9th - 10th Standards
Twenty-five problems present a variety of practice solving one-step equations with addition and subtraction. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
Unknown Type
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Elementary Addition

For Students Pre-K - 1st Standards
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.
Unknown Type
Khan Academy

Khan Academy: One Step Equations With Addition and Subtraction

For Students 6th - 8th Standards
In this exercise, students practice one-step equations with addition and subtraction. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: One Step Addition and Subtraction Equations With Fractions and Dec

For Students 6th - 8th
In this exercise, students practice one-step addition and subtraction equations with fractions and decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Varsity Tutors

Varsity Tutors: Aplusmath: Addition Worksheets

For Students 1st - 8th Standards
Create customized addition worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can also be...
Unknown Type
Quia

Quia: Addition Flashcards Sums 10 to 18

For Students 3rd - 5th
This website for young children gives them practice adding sums from 10 to 18 in a flashcard type format.