Curated OER
Joining (Addition) - Result Unknown
Having your learners make illustrations while solving a word problem will help visualize the problem they face. This worksheet challenges your class to solve for an unknown sum with multi-digit numbers
Curated OER
Addition: one and two digit numbers
In this addition worksheet, 2nd graders add one and two digit numbers together with the help of a number line. Students complete 19 problems.
Eisenhower Regioanl Consortium for Mathematics and Science Education
Lesson 10: Integer Addition and Subtraction (for the TI-73 only)
Using a number line on the floor made from masking tape and manipulatives, learners observe a demonstration of the addition and subtraction processes. After completing several worksheets, they solve three-term problems using calculators...
Curated OER
Add Positive And Negative Numbers
Scholars investigate the concept of adding positive and negative numbers. They practice adding using the number line for scaffolding. This can be done as a game for younger learners, but may also be helpful for engaging the older pupils.
Curated OER
Positive-Negative Charge Model For Integers
Use two different colors of bingo chips to represent positive and negative charges. Add and subtract them in a clear glass beaker to demonstrate how to add and subtract integers. This visual, along with a number line, will really help...
Buffalo State
Adding and Subtracting Positive and Negative Integers
A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...
Curated OER
Addition Word Problems #1
Math is all around us, and scholars observe various addition scenarios as they solve 15 word problems. Each of these involve two-digit addends, some of which are money values. Although there are no decimals or fractions, learners do...
EngageNY
The Computation of the Slope of a Non-Vertical Line
Determine the slope when the unit rate is difficult to see. The 17th part of a 33-part series presents a situation that calls for a method to calculate the slope for any two points. It provides examples when the slope is hard to...
Houghton Mifflin Harcourt
Unit 1 Math Vocabulary Cards (Grade 1)
Reinforce mathematical vocabulary with the use of flash cards. Each card showcases a boldly typed word as well as a labeled picture representation of the word. Terms include addition, subtraction, greater than, less than, and more!
Illustrative Mathematics
Cell Phone Plans
Turn your classroom into a local cell phone store. Then, have your cell phone agents use linear equations to visually display three cell plans and their advantages. It makes for a great group project. Discuss how to decide which plan is...
CK-12 Foundation
Distance Between Two Points: Segment Addition
Examine the segment addition postulate through an online simulation activity. An interactive lesson allows scholars to manipulate points and watch as the lengths of segments change. Through their study, they are able to apply the Segment...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 1
Keep the skills of your young mathematicians up-to-date with this series of newsletter worksheets. Offering a wide array of basic arithmetic, geometry, and problem solving exercises, this resource is a great way to develop the...
Scholastic
Math Word Problems
After reading The Mitten by Jan Brett, youngsters willuse the characters in the story to write word problems for addition and subtraction. For example, they may state that a rabbit had 7 carrots and then lost 2, how many were left? There...
Curated OER
Two-Digit Addition
In this finding the sums worksheet, students use a number line to add two-digit numbers without regrouping. Students solve 20 problems.
Curated OER
Adding Integers Using an Integer Line
In this integers activity, students use integer lines to add the positive and negative numbers. They can show the answers online.
Curated OER
Jumping the Number Line - Decimal Fractions (Hundredths)
Students demonstrate how to add decimal fractions (tenths and hundredths) by using the jumping the number line strategy. They complete a variety of problems on a worksheet, attempting to solve them mentally, then recording the answers on...
Curated OER
2 Digit Addition With Regrouping
For this addition worksheet, 2nd graders add two digit numbers together with regrouping. Students complete 20 addition problems and write the sums.
Curated OER
Worksheet #9 Two Digit Addition With Regrouping
In this addition activity, students solve 20 problems in which two digit numbers are added. There will be carrying on this page.
Curated OER
Adding Integers with Two Colour Counters
Students use the zero principle to add integers. In this algebra lesson, students add positive and negative integers verifying the zero principle. They use manipulatives to help them see how opposites can cancel each other out.
Curated OER
Negative Numbers Practice Sheet
Fourth and Fifth graders should benefit from this negative and positive number addition worksheet. There are 90 problems to solve; each has a negative number plus a positive number. There are also a few subtraction problems sprinkled in...
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics lesson plan, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
EngageNY
Adding and Subtracting Rational Expressions
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
Really Good Stuff
Compound Word Addition
Sometimes you can add two words together to make one longer word! Practice doing just this with your class with the worksheets and activities included here. The main goal here is to look at an image, name it, and figure out the two words...
Illustrative Mathematics
How Many Colored Pencils?
Support young mathematicians' interpretation of place value in order to multiply single-digit numbers by 10. The task builds upon and enhances a learners' understanding of place value, a second grade skill, while introducing...