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...

Learners solve one step linear equations. For this algebra lesson, students manipulate their variables and numbers to answer each problem. They make sure the equations stay balanced at all times.

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.

In this chemical reactions instructional activity, students learn about the 5 types of chemical reactions as well as endothermic and exothermic reactions. Students are given 5 equations to balance and they identify the type of reaction...

In this chemical reactions worksheet, students follow a flow chart to determine what type of reaction is occurring. Students then classify reactions and balance the equations. This worksheet has 2 short answer and 10 fill in the blank.

Students review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.

In this chemical reactions practice learning exercise, students balance 6 equations and give the name of the reactants and the products. In addition, students balance 3 equations and determine the molecular formula and the molecular...

In this mental math learning exercise, students use mental math methods to solve problems. Students complete 1 addition, 1 multiplication, and 1 subtraction problem using these methods.

Learners explore fact families. In this math lesson, students use links to model a fact family. Learners solve addition and subtraction problems.

In this hydrocarbon worksheet, students answer 13 questions about different types of organic molecules categorized as hydrocarbons. They explain the different hydrocarbons, they draw structural diagrams for different hydrocarbons and...

Students create visuals on the TI Calculator to solve problems. In this algebra lesson, students perform basic operations with integers. They add, subtract, multiply and divide.

Students improve data entry in a spreadsheet.

Middle schoolers develop procedures to explore the behavior of fish.  In this scientific experiment lesson students from a hypothesis, write a question, identify different variables and controls in their experiment. 

Students conduct a series of experiments in which they explore chemical reactions. They detect chemical changes by observing how physical properties change when two different chemicals are combined. They list and describe the reactants...

In this lesson on addition and subtraction equations, 1st graders will learn to identify the equal sign and will practice balancing equations.

Use your quick thinking and addition math skills to play this math racing game.

This activity helps with understanding how to balance an algebraic equation. You input the term and the operation. The activity uses that term, operates on both sides of the equation, then displays the resulting equation.

Sixth graders work with the concept of equality and balance to solve one and two-step algebraic equations.

Solve simple linear equations using a balance beam. Replicate the given equation by moving the blocks of X and 1 to the sides of the balance scale. Then use addition, subtraction, multiplication, and division to each side to solve for x.

Students choose the correct number to balance the addition equation and create an equivalent sum.

[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...

[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...

A concise test for assessing number sense using weights and scales. Assessment is scored online offering students immediate feedback. Can be used for a quick assessment.