Have some fun building squares out of triangles. Pupils investigate the partial sums of odd numbers. Using the sum of the first four odd numbers, learners see that it can be rewritten as a sum containing a triangular number. Simplifying...

Fight against the current. Pupils explore the resulting path when they are crossing a river while being pushed downstream by the current. Using vector notation, learners express the speed and direction of a ferry. They finish by...

Put a squeeze on a sequence. An interactive provides a graphical display of a sequence. Using the graph, learners determine the algebraic expression for the sequence. Pupils use the general definition of a limit of a sequence to find the...

Serve up angle measurements on paper plates. Pupils use paper plates and paper-folding techniques to create a unit circle with conversions for special angles. Using their plates, learners explore the relationship between angle...

Just how many toothpicks does the pattern take? After watching a video of someone building a pattern with toothpicks, groups create methods to find the number of toothpicks needed to accomplish that task. Groups either use explicit...

Control the computer processing speed with mathematics! Scholars use a computer program to graph color-changing functions. Using complex polynomial functions slows the speed of the program, but simplifying the expression allows the...

Here's a new meaning to the expression throwing away money...a carpet of coins! An intriguing lesson requires calculations to determine the coin that would be the cheapest option, but it's a little tricky. The cost of the coin...

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...

Sometimes you just want to know the cost of one apple. A fun interactive lets learners explore the unit costs of fruits, vegetables, and candy. It shows how ratios to express ratios symbolically and on a double number line.

Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...

In this scientific notation worksheet, students perform basic math functions and express their answers in scientific notation.

As part of this activity focusing on the use of the expressions all of, almost all of, most of, some of and none of, students evaluate groups of symbols to identify the information missing. In the first part of this 14 question activity,...

In this order of operations worksheet, students simplify 12 expressions. Students use order of operations to simplify each expression.

In this scientific notation and significant figures activity, students perform mathematical calculations such as addition, subtraction, multiplication and division and express their answers with the proper number of significant figures....

For this sudoku puzzle worksheet, students evaluate 28 expressions with answers resulting in values of 1-9.  Students solve the sudoku puzzle by filling in the missing numbers.

In this order of operations worksheet, students simplify 10 multiple choice problems.  Students use order of operations to simplify each expression.