Curated OER
Addition and Subtraction of Fractions
Students demonstrate how to solve addition and subtraction of fractions. In this fractions lesson, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.
Virginia Department of Education
Give or Take a Few
Young mathematicians extend their knowledge of rational numbers on a number line to graph inequalities by first using number cards to compare rational numbers. They finish by using similar reasoning to graph inequalities on a number line.
Curated OER
Substituting Fractions
Fun with fractions! Fourth graders practice substituting and reducing fractions. The problems contain blank spaces and become more challenging as the activity progresses. Use this as a building block in your fractions lesson.
Curated OER
Equivalent Fractions and Comparing Fractions
How can you tell if fractions have equal value? Use various collaborative activities to demonstrate the ways to determine whether or not fractions are equivalent.
Curated OER
Adding and Subtracting Polynomials
For use with a TI-nspire calculator, this instructional activity focuses on adding and subtracting polynomials. Learners use calculator to add and subtract polynomials using both the vertical method horizontal methods. A class discussion...
Cold Spring Harbor Laboratory
DNA Words Are Three Letters Long
DNA writes 64 different words but only codes for 20 different amino acids. Budding scientists learn about where each of these numbers come from and why they aren't equal with an online interactive. The resource explains the research, the...
Shodor Education Foundation
Spinner
Go round and round to compare theoretical and experimental probabilities. Learners set the number of sectors and the number of spins for a spinner. Then, a table displays the experimental and theoretical probabilities of the spinner for...
Curated OER
Place Value Made Simple
Elementary schoolers explore place value to the millions place. They construct and evaluate the value of numbers. Working in small groups, pupils problem solve with pocket place value charts, and examine standard and expanded forms. This...
Curated OER
Getting Started with Math By Hand Concept App
Pupils build number sense skills and gain confidence at math by hand. Review how to perform algorithms for the four basic operations. A step-by-step mode emphasizes place value in the base-ten system for each algorithm. Learners identify...
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
Number Operations
Fourth graders examine the relationship between multiplication and division and subtraction and division, and determine which operation is needed to solve various problems. They observe and participate in a teacher-led lecture, and...
Curated OER
Ordering Numbers C
In this math worksheet, learners order three-digit numbers from the least to greatest. Students also order numbers from greatest to least.
Curated OER
Numbers and Operations
In this math worksheet, students write the answers to 5 fill in the blank questions. Students read a paragraph and use that information to answer the questions.
Curated OER
Ordering Numbers D
In this math worksheet, students order multiple-digit numbers from the least to greatest. Students also order numbers from greatest to least.
Curated OER
Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
Chapter 11 Objective 5.1 Exercises
In this translating learning exercise, middle schoolers read word sentences, translate them to number sentences and solve the equation. This one-page learning exercise contains ten problems.
Virginia Department of Education
Translate and Evaluate
Hopefully nothing gets lost in translation. Pupils translate between verbal phrases and algebraic expressions. They then use candy to determine what values to substitute into the expressions.
Curated OER
Math Symbols
Some times simple is as good as gold. Early learners are introduced to the basic mathmatical symbols used to represent addition, subtraction, multiplication, division, and equals; each slide contains one large image of each symbol.
Ohio Department of Education
Fraction Models - Grade Three
Explore fractions using different manipulatives and illustrations. Your class can create a variety of models of fractions and mixed numbers with drawings and manipulatives. They then work to compare fractions, mixed numbers, and whole...
Curated OER
Two-Step Problems and Money Concepts
Elementary schoolers solve two-step equations and practice money concepts. They solve multi-step addition and subtraction contextual problems and apply money concepts to real life situations. Pupils use pictures and counters to help them...
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Perimeter and Circumference
Students understand the definitions for perimeter and circumference and know the difference. They then go over sample problems as a class. Students use drill and practice skills to complete activity pages.
Curated OER
Common Core State Standards 1st Grade Math
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...