Interactive
CK-12 Foundation

Whole Number Exponents: Building Blocks

For Students 6th - 8th Standards
Five questions make up an interactive all about whole-number exponents. Movable building blocks create a visual tool to aide mathematicians in answering multiple-choice and true or false problems. The interactive ends with a discussion...
Worksheet
Math Salamanders Ltd.

Column Addition (No Carrying) 3 Digits Sheet 2

For Students 2nd - 4th Standards
In this column addition worksheet, students add two- and three-digit numbers together without regrouping. They complete 15 addition problems.
Lesson Plan
Curated OER

Piecing it Together: Adding & Subtracting Fractions

For Teachers 5th - 8th
Students add and subtract fractions and mixed numbers with unlike denominators. They "fish" for and solve a number of fraction problems requiring adding, subtracting, finding equivalent fractions, and using mixed numbers.
Lesson Plan
Curated OER

Dragon Math

For Teachers K - 2nd
Young scholars engage in a lesson which provides a fun way to increase a student's ability to combine and separate numbers to form landmarks. They access a game online and play in pairs.
Worksheet
Math Salamanders Ltd.

Column Addition - 3 Digits Sheet 5

For Students 3rd - 5th Standards
In this addition activity, students add two and three-digit numbers together and convert them from horizontal to vertical problems. Students complete 12 addition problems with regrouping.
Worksheet
Math Centre

Fractions: Adding and Subtracting

For Students 4th - 7th Standards
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students...
Lesson Plan
Virginia Department of Education

Integers: Addition and Subtraction

For Teachers 5th - 8th Standards
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
Interactive
CK-12 Foundation

Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water

For Students 6th - 8th Standards
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Lesson Plan
Curated OER

Equivalent Mixed Numbers

For Teachers 5th
Fifth graders use various internet sites to complete math programs where they identify different representations of mixed numbers. In this mixed numbers lesson plan, 5th graders practice math before hand and then go on the computers in...
Lesson Plan
Curated OER

Investigation-Reasoning and Proof

For Teachers 2nd - 3rd
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.
Lesson Plan
Illustrative Mathematics

Make 9

For Teachers Pre-K - 1st Standards
Learning how numbers are put together as parts and wholes is a big step in building the foundational number sense of young mathematicians. Here, children are given a number less than 10 and are asked to find as many pairs of numbers as...
Lesson Plan
Curated OER

Two Digit Addition with Regrouping

For Teachers 1st - 3rd
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
Worksheet
Raytheon

Adding and Subtracting Fractions

For Students 4th - 6th
For this adding and subtracting fractions learning exercise, students add and subtract fractions including mixed numbers and negatives. Students complete 62 problems.
Worksheet
National External Diploma Program Council

Finding an Average

For Students 5th - 7th Standards
Young hopefuls can practice finding the average of a group of numbers represented in tables and word problems. 
Lesson Plan
PBS

Patterns to the Rescue!

For Teachers 3rd - 5th Standards
Track down the Cyberchase episode that this instructional activity is associated with. Using a worksheet that is embedded in the plan, learners must find the next two numbers and shapes (a double pattern). Once these have been...
Lesson Plan
Curated OER

Even and Odd Numbers Closure Activity

For Teachers 1st - 2nd
Students practice the concept of mathematical closure as it relates to even and odd numbers. In this math lesson, students perform 4 different tasks to  understand the number closure concept. Students identify, explain, predict,...
Lesson Plan
Curated OER

Equivalent Numbers

For Teachers 3rd - 5th
Students work together matching numbers on index cards. They must match numbers in different forms, such a fractions and percentages. They compete with other groups in the class to get the most correct.
Assessment
Illustrative Mathematics

Party Favors

For Students 2nd Standards
Pia is putting stickers into party bags. She starts by putting 10 stickers in each bag, and over the course of a week she adds several bundles of ten stickers to each bag, as well as making more bags. Second graders must find the number...
Lesson Plan
Curated OER

Using a Hundreds Chart

For Teachers 1st - 3rd
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
Lesson Plan
Sylvandell Publishing

It's So Odd!

For Teachers 1st - 2nd Standards
Some resources are just wonderful for stimulating creative thinking and concept understanding. Children are encouraged to explore odd and even numbers through a variety of creative activities. They group items, read a story, make an...
Lesson Plan
Curated OER

Subtracting With the Hundreds Place And Regrouping

For Teachers 3rd - 4th
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Lesson Plan
Curated OER

Videobusters

For Teachers 8th - 10th
A real-world scenario, Videobusters, a video rental store has just got to get organized. In small groups, the class works on organizing and analyzing data utilizing matrices. They need to use their skills in adding, subtracting and...
Lesson Plan
Curated OER

Students Multiply Polynomials

For Teachers 9th - 11th
Factor polynomial functions that have two and three terms. Using Algeblocks, your class will create models to show their understanding of these concepts.
Lesson Plan
World Wildlife Fund

Take 6

For Teachers 3rd - 5th Standards
Investigate the various properties of the number six with this elementary math activity. From simple addition, subtraction, multiplication, and division problems to the creation of hexagonal tessellations, this activity covers all...

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