Balanced Assessment
Chance of Survival
Class members determine the chance of surviving two years by explaining the concept of probability expressed in a medical terms. Would-be doctors continue to explain a conditional probability statement as it relates to the total population.
CK-12 Foundation
Scientific Notation: Matching Numbers to Notation
Explore the conversion of numbers to scientific notation and back again. Learners begin with a matching activity to identify equivalent expressions. Then guiding questions test and extend their understanding.
CK-12 Foundation
Exponential Properties Involving Quotients
Watch as exponential expressions expand and contract! An interactive tutorial leads young mathematicians to the discovery of the quotient property of exponents. Through exploration, they realize that an x in the numerator will cancel an...
CK-12 Foundation
Addition of Integers: Polka Dots
What happens when you add negative and positive integers to one another? Do you add or subtract, and will the answer be positive or negative? Young mathematicians use blue and red polka dots to determine the value of an expression that...
CK-12 Foundation
Zero, Negative, and Fractional Exponents: Patterns with Powers
Build a foundational understanding of exponent patterns. Young scholars manipulate the bases of exponent expressions. They discover the meaning of negative exponents through their exploration.
CK-12 Foundation
Multiplying Polynomials: Binomial Cork Board
Cover the cork board with pictures of the house. The interactive provides pictures of a house to duplicate and cover a given area. The pictures' dimensions are expressed as binomials. Pupils determine the area of the cork board based...
CK-12 Foundation
Linear Systems with Addition and Subtraction: XYZ Tiles
Cover it up to reveal the values of variables. Using arrangements of colored tiles representing algebraic expressions, pupils layer them over each other to determine the values of variables. The procedure models the elimination method in...
CK-12 Foundation
Permutations: Podiums
Add a winning resource to your library. A self-paced interactive has users create a sample space for all possibilities of arranging first- and second-place winners on a podium. The results lead to the realization that permutations and...
CK-12 Foundation
Inequalities that Describe Patterns: Freezing Cold Comparison
Don't freeze out the interactive on inequalities from your lesson plans. Young mathematicians use an interactive thermometer and number line to compare freezing temperatures. Inequalities help express these comparisons.
CK-12 Foundation
Sequence of Partial Sums: Partial Sums
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...
CK-12 Foundation
Two-Dimensional Vectors: River Ferry and Current Vectors
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...
K20 LEARN
Didn’t We Already Learn That Pattern? Functions/Arithmetic Sequences
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...
101 Questions
Controlling Colors
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...
101 Questions
Coin Carpet
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 changes,...
Concord Consortium
Systematic Solution II
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 process and the...
PHET
Unit Rates
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.
PHET
Make a Ten
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...
Curated OER
Order of Operations - Pemdas #2
For this order of operations worksheet, students simplify 12 expressions. Students use order of operations to simplify each expression.
Curated OER
Sudorku
In 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.
Curated OER
Integrated Algebra Practice: Order of Operations #3
In this order of operations worksheet, learners simplify 10 multiple choice problems. Students use order of operations to simplify each expression.
Math Mammoth
Rules With Subtraction
In this subtraction worksheet, learners simplify subtraction equations containing two to four terms. They write expressions for a given verbal sentence. This one-page contains approximately 25 problems.
Curated OER
Arithmetic Operations With Numbers
In this arithmetic operations worksheet, 9th graders identify and solve 48 different problems that include applying Arithmetic operations with various types of numbers. First, they simplify each of the expressions using integer...
Curated OER
Some Puzzling Thoughts about Space Radiation
In this space radiation learning exercise, students solve 22 algebraic expressions for "x". They use their answers which correlate with a word in a word bank. They use these words to fill in the blanks of sentences about the effects of...
Curated OER
Laws of Exponents
In this Algebra II worksheet, 11th graders use the laws of exponents to write the give radical expressions in simplified exponential and radical form. The one page worksheet contains twenty-four problems. Answers are not provided.
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