Organizer
Curated OER

Column notes - math vocabulary

For Students 5th - 12th
In this math vocabulary activity, students fill in a column notes sheet with the definition and example of math vocabulary words. Students complete this for 26 words.
Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
Worksheet
Curated OER

Addition Exercises

For Students K - 2nd
In this adding one worksheet, students add numbers in a two-column graph to find the sums by adding one to the numerals one to nine in sequence and observe the answer patterns. Students find eight sums.
Worksheet
National Security Agency

Integers: Quick, Fun and Easy To Learn

For Students 6th Standards
A good complement to any integers unit contains a three-day lesson plan about positive and negative integers, adding and subtracting integers, and how to find the additive inverse. Additionally, it provides all necessary...
Lesson Plan
Curated OER

Feature column: Hands on Math With Technology

For Teachers K - 2nd
Young learners will view a math adventures video and practice math concepts.  Afterwards they will navigate through Internet sites to participate in teacher selected math adventures. This guide walks you through integrating...
Assessment
Concord Consortium

Boards I

For Students 7th - 9th Standards
Learners create patterns in a table to mimic the function of an electronic spreadsheet. The result is a table that creates an addition table for decimals in intervals of one-tenth. While creating the pattern, pupils must thoroughly...
Activity
Making Math More Fun

Making Math More Fun

For Teachers 2nd - 6th Standards
Address fundamental math skills with a series of fun math board games. With 25 games that focus on addition, subtraction, multiplication, division, place value, and percentages, kids will quickly find that math practice is their favorite...
Lesson Plan
EngageNY

Complex Numbers as Vectors

For Teachers 11th - 12th Standards
Show your math class how to use vectors in adding complex numbers. Vectors represent complex numbers as opposed to points in the coordinate plane. The class uses the geometric representation to add and subtract complex numbers and...
Lesson Plan
Curated OER

Adding Polynomials with Algebra Tiles

For Teachers 9th - 12th
Students practice adding polynomials using algebra tiles. Students view a PowerPoint presentation in which they are introduced to the concept of modeling polynomials using a scaled down version of algebra tiles. Students walk through...
Worksheet
Curated OER

Addition Trick with Negative Numbers

For Students 9th - 10th
In this algebra worksheet, learners solve word problems that combine rules about adding a negative number. There are 16 questions with an answer key.
PPT
Curated OER

Mental Math, Adding Decimals, Multiplication Facts

For Teachers 3rd - 4th
A thorough presentation is chock full of great tips on how to develop mental math skills, add decimals, and reinforce the memorization of multiplication facts. Learners solve a variety of problems, while getting tips along the way. An...
Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 5

For Students 5th Standards
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and...
Worksheet
Curated OER

Adding One to Nine

For Students K - 1st
Give your students a chance to review their basic addition with these twenty-five problems. All problems include single digits, and some problems add up to ten. The problems are presented as column addition problems, making it an ideal...
Worksheet
Curated OER

Add and Subtract Decimals

For Students 4th - 6th
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Lesson Plan
Curated OER

Operations on Matrices

For Teachers 10th - 12th
A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
Worksheet
Curated OER

Add Three Numbers Practice 11.4

For Students 2nd - 3rd
For this column addition worksheet, students solve 13 problems in which three two-digit numbers are added. Students look for a ten or a double.
Lesson Plan
Curated OER

Investigation - Who is Right?

For Teachers 3rd
Third graders explore mathematics by solving problems in groups. In this math functions activity, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
Worksheet
Curated OER

Column Addition 3 Digit Sheet

For Students 2nd - 4th
In this addition worksheet, students add three digit numbers together.  Three problems have the students adding three-three digit numbers together.  The students work through 15 problems. 
Worksheet
Curated OER

Column Addition- 3 Digits, Sheet 6

For Students 2nd - 4th
In this addition activity, students complete a set of 12 problems, adding 2 and 3 digit numbers. Numbers must be arranged vertically and problems completed. A reference web site is given for additional activities.
Worksheet
Curated OER

Count by 5s, 10s, and 100s

For Students 1st - 2nd
These number sequences are missing digits! Each of the six has one missing number and scholars must figure out what it is. Here's the pattern, though: all of these sequences involve counting by 5s, 10s, and 100s. Learners add one of...
Lesson Plan
Curated OER

Adding Two-Digit Numbers

For Teachers 3rd - 4th
In this adding two-digit numbers worksheet, students, working with a partner, problem solve seven addition equations and word problems.
Worksheet
Curated OER

Add Three Numbers

For Students 2nd - 3rd
In this column addition instructional activity, students solve 11 problems in which three two-digit numbers are added. There will be regrouping on this page.
Worksheet
Curated OER

Decimal Addition Level 6 Adding Three Numbers Containing Tenths

For Students 4th - 5th
In this math worksheet, learners practice adding 3 decimal numbers which contain tenths. The decimals are already lined up in the columns of the 12 problems.
Worksheet
Curated OER

Addition Using Objects

For Students K
In this addition using objects worksheet, students solve 5 problems that include adding various objects as shown. First, they count the number of each object in the first column and write that number in the first box. Then, students...