Lesson Plan
Chymist

Writing Chemical Equations

For Teachers 9th - 12th
Communicate chemistry clearly with a concise guide to writing chemical equations. It covers everything from the parts of a chemical equation to the different types of reactions that budding chemists may encounter.
Assessment
Concord Consortium

Systematic Solution II

For Students 10th - 11th Standards
Up the difficulty level by solving a system of equations with variable coefficients. Young scholars devise a plan to solve for x and y in terms of a and b. They represent their solutions as expressions and explain their...
Worksheet
K12 Reader

The Product-Quotient Connection

For Students 2nd - 3rd Standards
How are multiplication and division connected? Read a passage about inverse operations to find out how you can use products and quotients to check your work when completing an equation from the opposite operation.
Assessment
Concord Consortium

Integer Solutions

For Students 7th - 10th Standards
Experiment with integer relationships. Young scholars consider integers that have a sum of 10. They begin with two integers, then three, four, and more. As they consider each situation, they discover patterns in the possible solutions.
Interactive
Royal Society of Chemistry

Extraction of Copper

For Students 6th - 12th
Is copper found as a raw material? Science sleuths manipulate the reactants and products found in the copper extraction process in a series of fun puzzles. The interactive engages learners in pairing formulas with their names while using...
Assessment
EngageNY

Mid-Module Assessment Task: Grade 7 Module 2

For Students 7th Standards
A seven-question assessment determines how well your learners understand the procedures to add, subtract, multiply, and divide signed rational numbers. Pupils show their understanding through problem-solving situations. 
Assessment
Concord Consortium

Perfect Ten

For Students 9th - 12th Standards
How many ways can you make 10? Class members tackle three problems to find all possible ways three numbers add to be 10. The first is with positive integers, secondly with non-negative integers, and finally with real numbers. Pupils also...
Worksheet
Math Mammoth

Scales Problems

For Students 3rd - 5th
In this scales worksheet, students use addition, multiplication, and division to find out how much the shapes on the scales weigh. Students complete 8 problems total.
Interactive
Doina Popovici

Math Play: Balance the Addition Equation Math Racing Game

For Students K - 1st
Use your quick thinking and addition math skills to play this math racing game.
Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Equivalent Addition Problems: Fill in the Blank

For Students K - 1st Standards
Students choose the correct number to balance the addition equation and create an equivalent sum.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Balancing the Equations Numbers to 1000

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video shows how to use addition and subtraction to keep an equation balanced by working backwards to determine the missing value. The video is followed by...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Add and Subtract to 100 Mixed Operations and Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students solve addition and subtraction problems in order to determine missing numbers to keep the equation balanced. When...