Mathematics Assessment Project
Using Positive and Negative Numbers in Context
Measure the temperature of your math class with a temperature-based lesson on adding and subtracting rational numbers. The thermometer serves as a vertical number line for learners as they work together to solve a temperature change...
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...
Curriculum Corner
7th Grade Math "I Can" Statement Posters
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as they...
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
Curated OER
Adding Fractions
Each of these 20 fraction pairs needs to be totaled, but that's not all there is to do! Scholars find the least common denominator first, then reduce the answer to simplest form if needed. These practice problems are excellent in the...
Curated OER
Subtraction with 3 Digit Numbers #2
Take subtraction to the next level with this resource, which contains 20 subtraction problems with three-digit numbers. After completing these problems, second and third graders work on five additional problems, which involve two-digit...
DK Publishing
Subtraction with 3-Digit Numbers #3
Get plenty of subtraction practice with 25 subtraction problems. Using their borrowing skills, second or third graders work through the first twenty problems, then solve five problems with decimals to the hundredths. A good opportunity...
Curated OER
Comparing Fractions
Learners compare three sets of fractions using the greater than, less than, and equal signs. To justify their answers, a drawing is also required that illustrates their reasoning. Including fractions with like and unlike denominators, as...
Curated OER
Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
Cold Spring Harbor Laboratory
DNA Words Are Three Letters Long
DNA writes 64 different words but only codes for 20 different amino acids. Budding scientists learn about where each of these numbers come from and why they aren't equal with an online interactive. The resource explains the research, the...
Curated OER
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
Curated OER
Adding and Subtracting Fractions/Mixed Numbers (2)
In this adding and subtracting fractions and mixed numbers learning exercise, students add and subtract combinations of three fractions and mixed numbers with uncommon denominators. Students solve 10 problems.
Curated OER
Adding and Subtracting Fractions/Mixed Numbers (10)
In this adding and subtracting three step problems learning exercise, students add, subtract, or both add and subtract fractions with uncommon denominators and mixed numbers. Students solve 10 problems.
Curated OER
Multiple Number Addition: 3-digit; 4 numbers (B)
In this adding multiple numbers worksheet, students add four numbers and each one has three digits. Students solve 30 problems.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
Adding Zero
In this addition practice worksheet, students practice their math skills as they solve 48 problems that require them to add 1 digit numbers to the number 0.
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
K5 Learning
Mixed Practice Word Problems #5
Six word problems make up this mixed practice activity. Pupils work with money, adding, subtracting, multiplying, and dividing using numbers up to 250.
Curated OER
Two-digit And Three-digit Numbers
In this math worksheet students will add two and three digit numbers. Students will synthesize answers for 80 horizontal math problems with regrouping.
Curated OER
Hop To It!
Students determine patterns. In this mathematics instructional activity, students act out a skit, play a sequence game, and complete patterns. Students use problems solving skills.
Math Worksheets Land
Adding Objects in Rectangular Arrays - Matching Worksheet
Each of these number sentences has a corresponding set of blocks, which will no doubt help your visual learners grasp multiple-addend addition. Learners examine the sentences and match them to their block representation. Consider also...
Curated OER
Adding and Subtracting Fractions and Mixed Numbers
Elementary schoolers participate with their teacher's instruction to learn to add and subtract fractions and mixed numbers. They use fraction strips to complete addition and subtraction problems. A step-by-step script is provided to help...