Waterloo Mathematics
Grade 7 Patterning and Algebra: Algebraic Expressions
Classmates solve 18 different problems that are mostly word problems that apply algebraic expressions. They draw different combinations of masses on a scale that would balance. They also simplify expressions and solve for x in a number...
Curated OER
Integers - Objects Model
Sixth and seventh graders solve 19 various types of problems related to integers as objects models. They write an integer that corresponds to each letter on a number line and then, arrange the integers from least to greatest. Pupils also...
Curated OER
The Mathematics of Chemistry
In this chemistry math learning exercise, students complete the given calculations, simplify the expressions, and solve for the expressions given. This learning exercise has 29 problems to solve.
Curated OER
Krypto
In this mathematical expressions activity, students solve 6 different problems that include deciphering various sets of numbers. First, they use any known mathematical operation or symbol in each to create the number 15. Then, students...
Discovery Education
Discovery Education: Web Math: Crunch a Numerical Expression (No Variables)
Use this "math solver" to help you understand and evaluate any numerical expression that does not involve variables. Simply type your expression in, and allow this website to provide step-by-step instructions on how to evaluate the...
Discovery Education
Discovery Education: Web Math: Crunch a Numerical Expression With Variables
Use this "math solver" to help you understand and evaluate any numerical expression, including those that involve variables. Simply type your expression in, and allow this website to provide step-by-step instructions on how to evaluate...
Can Teach
Can Teach: Target: An Equations Game
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
University of Cambridge
University of Cambridge: Nrich: Heads and Feet
Solve this problem about hens and sheep and practice your algebraic thinking all at the same time. A solution is provided at this one page website.