Worksheet
Curated OER

Addition of Money

For Students 3rd - 4th
In this money addition worksheet, students complete a set of 8 problems, the complete an additional set of 7 horizontal problems, writing them out in columns first.
Worksheet
Curated OER

Addition and Subtraction Facts- Eleven Worksheets

For Students 1st - 2nd
In this addition and subtraction worksheet, students solve 220 problems. Each page has two columns of ten basic addition or subtraction facts. These are basic drills with no examples or instructions.
Worksheet
Curated OER

Adding and Subtracting Matrices

For Students 9th - 11th
In this adding and subtracting matrices activity, students add 2 sets of matrices and subtract one. They are introduced to the rules of adding and subtracting matrices.
Worksheet
Curated OER

Column Addition: Single Digits

For Students 1st - 2nd
In this math worksheet, students will add three numbers to find the sum. The equations are presented vertically and addends are numbers 1 to 9.
Worksheet
Math Salamanders Ltd.

Column Addition - 5 Digits Sheet 3

For Students 3rd - 4th Standards
In this column addition instructional activity, students complete a set of 12 problems, adding four and five-digit numbers. A reference website is given for additional activities.
Worksheet
Math Salamanders Ltd.

Column Addition - 4 Digits Multi-Addends Sheet 1

For Students 3rd - 4th Standards
For this addition worksheet, learners complete a total of 12 problems, adding three and four-digit numbers. A reference website is given for additional activities.
Worksheet
Math Salamanders Ltd.

Column Addition - 3 Digits Multi-Addends Sheet 2

For Students 2nd - 3rd Standards
In this addition worksheet, students complete 16 problems by adding two- and three-digit numbers. A reference website is provided for additional activities.
Worksheet
Curated OER

Column Addition -No Carrying, 2-Digits

For Students 1st - 3rd
In this addition worksheet, students complete 12 problems, adding 2-digit numbers. Problems do not require carrying. A reference web site is given for additional activities.
Worksheet
Math Salamanders Ltd.

Column Addition (No Carrying) - 2 Digits Sheet 2

For Students 1st - 3rd Standards
In this addition worksheet, learners complete a set of 12 problems, adding two 2-digit numbers without carrying. A reference website is given for additional activities.
Worksheet
Curated OER

It All Adds Up -- Puzzle- Addition Matrix

For Students 4th - 8th
In this addition matrix puzzle #24 worksheet, students decipher the 8 numbers that need to be added to the puzzle so that each row, column, and diagonal adds up.
Worksheet
Math Salamanders Ltd.

Column Addition Money 3 Digits Sheet 1

For Students 2nd - 4th Standards
In this money addition worksheet, students complete 20 three-digit problems; some require carrying, others do not. A reference website is given for additional activities.
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.
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...
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...
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...
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.
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.
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.
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...