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Curated OER
Study Buddies: Adding Three-Digit Numbers
For this math worksheet, students will work with a coach to solve a story problem in which they must add three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.
EngageNY
The Structure of Ratio Tables—Additive and Multiplicative
Build tables by understanding their structure. Scholars take a closer look at the structure of ratio tables in the 10th segment in a 29-part series. Individuals realize that the tables can be built using an additive or...
Curated OER
Checking Addition and Subtraction by Estimation
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, young scholars are taught how to first make a ten and then add on the rest. A similar method is also...
Curated OER
Rice Cookies Addition
Fourth graders practice adding rice cookies. For this mental math lesson, 4th graders get into groups and call out numbers to each other to add mentally. Students use the rice cookies to show the answer.
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition instructional activity, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, learners, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Addition And Subtraction Facts With 6
In this addition and subtraction facts with six worksheet, pupils write the fact families in which the sum is six. Students write the three numbers for the fact families at the top of each of the four columns. Pupils fill in thirty three...
Curated OER
Number Patterns/ Odd and Even #2
What's odd? What's even? And what is the pattern? Learners explore addition problems to answer this question, deciding if the answer to each equation is odd or even. They then draw a two-column table to illustrate the outcomes of the...
Curated OER
Multiple Number Addition: Two-Digit; Four Numbers (B)
For this multiple number addition worksheet, students use their problem solving skills to solve 30 problems that require them to add multiple numbers.
American Chemical Society
Production of a Gas - Controlling a Chemical Reaction
Though the publisher designated this unit for use with third through eighth grades, this particular lesson plan would be best used with middle schoolers due to the specific measurement skills required. Basically, they set up the reaction...
Curated OER
Study Buddies: Adding Two-Digit Numbers
Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...
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
Add the Problems
In this math worksheet, students practice addition of three 1-digit numbers in a column. There are 12 problems on the page written vertically.
Curated OER
Math Puzzle Worksheet: Box Addition Version 4
For this math puzzle worksheet, students fill in missing numbers in boxes to complete a puzzle; totals are given for rows and columns, missing numbers are part of the correct totals.
Curated OER
NUMB3RS - Season 2 - "Convergence" - Air Hockey
Learn how to use a matrix to organize data to solve a problem. This activity uses wins and losses to rank players for an air hockey tournament they wish to have. After practicing some basic matrix operations the class could do the...
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of math...
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Ten More and Ten Less
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...
Curated OER
Adding and Subtracting Integers (Positive and Negative Numbers)
In this math worksheet, students solve 15 problems in which positive and negative integers are added and subtracted. The answers are given in a separate column on the page.
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
Curated OER
Adding and Subtracting Decimals With Excel
What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.
Curated OER
A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
Curated OER
How Sweet It is! A Colorful Sugar Solution Density Column
Students examine the affect of density. Using a graduated cylinder and equally prepared volumes of sugar-water solutions and food color, students observe a sugar rainbow. They discover that the greater the amount of sugar in the...