University of Utah
Geometry: Angles, Triangles, and Distance
The Pythagorean Theorem is a staple of middle school geometry. Scholars first investigate angle relationships, both in triangles and in parallel lines with a transversal, before proving and applying the Pythagorean Theorem.
Mathematics Vision Project
Module 3: Geometric Figures
It's just not enough to know that something is true. Part of a MVP Geometry unit teaches young mathematicians how to write flow proofs and two-column proofs for conjectures involving lines, angles, and triangles.
Curated OER
Double Dare Addition!
Students apply basic number concepts and computation skills while engaging in an enriching group activity. Then they demonstrate their knowledge of addition using a medium that enables everyone to show their solutions for immediate...
Curated OER
Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
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Suma de dos Digitos
Step-by-step instructions on adding two-digit numbers are visualized in this colorful PowerPoint. There are a total of eleven example problems for students to complete as a class. Note: Instructions are in Spanish.
Curated OER
Add and Subtract Within 20
Break down addition and subtraction into short sentences using this brief worksheet. Each question prompts scholars to make a number by doing three math operations. For the first, they make 10 by adding three, adding five, and...
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Adding 2-Digit Numbers, part 2
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this may be...
Curated OER
Decimal Addition
Practice adding decimals by completing 26 practice problems. Scholars examine two examples before trying these on their own. They add two and three-digit numbers with decimals, regrouping when needed. Not all numbers have decimals, but...
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Addition Grid
Which of these numbers add up to 20? Scholars find various addend pairs in a grid, circling those that add up to 20. There are many pairs they can find here, and the answer sheet offers some excellent kinesthetic practice ideas for...
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Ordering
Money is a great medium for math problems, and learners practice with coins in these addition equations. First, they add up five sets of coins (one is done for them), writing down the totals below each. Next, scholars sequence these...
US Department of Agriculture
George Washington Carver Coloring and Activity Book
Learn about the interesting life of George Washington Carver and his many accomplishments with this series of worksheets for primary grade learners. From coloring pages and word searches, to non-fiction reading passages and math skills...
Curated OER
Investigation-Reasoning and Proof
The class explores even and odd numbers.They discuss the results when even numbers are added and when odd numbers are added together. Then work in pairs to find other odd and even pattern examples.
Curated OER
Vectors: Follow That Arrow
Vectors and their connection to motion. A video will be presented to provide information for the class to use methods of solving vectors with and without grids. Real-world physical concepts will be explored in reference to vectors.
Curated OER
Worksheet 11 - Intervals
In this interval worksheet, students write a geometric series for the derivatives of a function. Students determine the values of x and where it may converge. This two-page worksheet contains five multi-step problems.
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Adding 1- and 2-Digit Numbers (Regrouping)
This online activity provides 30 practice problems in which learners add single- and double-digit numbers. The sums require regrouping, so even though the interactivity is catchy, no accommodation is made for the fact that learners might...
Curated OER
Addition Sentence Match Worksheet
Beginners to addition will benefit from this twist on number sentences. For each of the six addition problems, they begin with the sum and examine eight pairs of addends, circling all that equal the number. This will get your class...
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Add and Subtract within 1000
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Curated OER
Perimeter of Polygons in Word Problems
Can your scholars find the perimeter of Peter's square of gold? They examine the shape and are given it's four equal side measurements in millimeters. Learners solve for the perimeter and should be reminded to include units in their...
Illustrative Mathematics
A Bobbie Bear's Buttons
Young mathematicians help Bobbie Bear pick colored buttons out of a box as they learn how to decompose numbers less than 10 into pairs of smaller numbers. To support students with the process, consider creating a worksheet or graphic...
Curated OER
The Stock Market
Students explore the loss and gain made in the stock market as they invest a sum of money and report the results as percentages instead of points.
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M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Curated OER
Factoring Polynomials 2
In this algebra worksheet, students factor thirty-six polynomial expressions. All of the expressions are second degree polynomials. Twelve problems are the sum or difference of two squares, and one problem has a common factor for both...
Curated OER
Factoring: A General Strategy
In this algebra worksheet, students factor 10 polynomial expressions. Problems involve several approaches to factoring, including factoring out common elements by grouping, factoring the difference of two squares, and factoring the sum...
Curated OER
Addition and Subtraction of Integers 1.1
In this integer worksheet, students add and subtract positive and negative numbers. Equations contain two to three terms with a mixture of finding the sum and difference of terms. This worksheet contains 44 equations.
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