National Security Agency
Integers: Quick, Fun and Easy To Learn
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 worksheets and...
Curated OER
Feature column: Hands on Math With Technology
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 technology...
Concord Consortium
Boards I
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...
Making Math More Fun
Making Math More Fun
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...
EngageNY
Complex Numbers as Vectors
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...
Curated OER
Adding Polynomials with Algebra Tiles
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...
Curated OER
Addition Trick with Negative Numbers
For this algebra worksheet, students solve word problems that combine rules about adding a negative number. There are 16 questions with an answer key.
Curated OER
Mental Math, Adding Decimals, Multiplication Facts
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...
Curated OER
Math Addition Squares
In this addition puzzle worksheet, students solve a 10 space math square in which all rows and columns must equal the number given. Students insert the correct digits to make each equation true.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
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 how to...
Curated OER
Adding One to Nine
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...
Curated OER
Add and Subtract Decimals
In this decimal worksheet, learners read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
Operations on Matrices
A guided lesson using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
Curated OER
Add Three Numbers Practice 11.4
In this column addition worksheet, students solve 13 problems in which three two-digit numbers are added. Students look for a ten or a double.
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson plan, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
Curated OER
Column Addition 3 Digit Sheet
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.
Curated OER
Column Addition-5 Digits, Sheet 3
In this column addition worksheet, students complete a set of 12 problems, adding 4 and 5-digit numbers. A reference web site is given for additional activities.
Curated OER
Column Addition- 3 Digits, Sheet 6
In this addition worksheet, 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.
Curated OER
Column Addition-3-Digits, Multi-Addends
In this addition worksheet, students complete a total of 16 problems, adding 2 and 3-digit numbers together. A reference web site is given for additional activities.
Curated OER
Column Addition-4 Digits, Multi-Addends
In this addition activity, students complete a total of 12 problems, adding 3 and 4-digit numbers. A reference web site is given for additional activities.
Curated OER
Count by 5s, 10s, and 100s
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...
Curated OER
Adding Two-Digit Numbers
In this adding two-digit numbers worksheet, pupils, working with a partner, problem solve seven addition equations and word problems.
Curated OER
Add Three Numbers
In this column addition worksheet, students solve 11 problems in which three two-digit numbers are added. There will be regrouping on this page.
Curated OER
Decimal Addition Level 6 Adding Three Numbers Containing Tenths
In this math activity, students practice adding 3 decimal numbers which contain tenths. The decimals are already lined up in the columns of the 12 problems.