Curated OER
Adding, Subtraction, Multiplying, and Dividing Fractions and Mixed Numbers
In this fractions activity, learners first review addition, subtraction, multiplication, and division without fractions. Next, students add and subtract fractions in fifth-three problems, followed by multiplying in forty-four...
Curated OER
Math With Calendars
In this math worksheet, students examine a single calendar page and answer 10 questions using the information that is displayed.
Curated OER
2nd Grade Math
In this math activity, 2nd graders complete multiple choice questions about addition, subtraction, fractions, money, and more. Students complete 20 questions.
Curated OER
Stand Up for Math
Students apply basic or advanced mathematical skills while working cooperatively with other students to solve problems. They demonstrate comprehension of addition, subtraction, multiplication, and or division with a strategy that...
Math Mammoth
Grade 1 Worktext
Use graphing, counting, and number lines to help first graders learn about addition and subtraction. An array of worksheets and activities are an excellent resource for your math lesson, whether you are focusing on counting skills...
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
EngageNY
Trigonometric Identity Proofs
Proving a trig identity might just be easier than proving your own identity at the airport. Learners first investigate a table of values to determine and prove the addition formulas for sine and cosine. They then use this result to...
Curated OER
Egyptian Math Problems
Count like an Egyptian! Put an ancient twist on everyday problem solving by providing kids a chance to solve ancient Egyptian math problems. There are 39 different questions that require learners to solve addition and subtraction...
Illustrative Mathematics
Shake and Spill
Entertaining as well as educational, this math activity about decomposing numbers is bound to capture the engagement of young learners. Given a cup and five two-color counters, young mathematicians simply shake and spill the cup,...
University of Minnesota
Fraction Operations and Initial Decimal Ideas
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 5
Elevate your fifth graders' understanding of math concepts with a series of vocabulary posters. Featuring terms concerning probability and statistics, measurement, algebra, and decimal place value (and many more), the posters are...
Raytheon
Time Goes By!
In this time worksheet, students complete problems about time including addition and subtraction, word problems, fill in the blanks, elapsed time, and more. Students complete 64 problems total.
Illustrative Mathematics
What’s Missing?
Now you see them, now you don't! This fun peek-a-boo activity engages young mathematicians in developing their ability to compose and decompose numbers. After being presented with a series of counters, children close their eyes while the...
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Curriculum Corner
Number Family Cards
Sixteen number families test young mathematicians' knowledge of the commutative and associative property of addition. Pupils list four problems—two addition and two subtraction—related to a given set of three numbers.
PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
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.
CK-12 Foundation
The Real Numbers: Adding Electrons
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.
Curated OER
Math, Calories and You
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
Illustrative Mathematics
Find the Missing Number
First graders are asked to find the missing numbers in subtraction and addition equations. Each missing number is represented with a box and appears as an addend, subtrahend, sum, or difference.
Baylor College
Your Energy Needs (BMR)
How many Calories one needs on a daily basis is dependent on a number of factors including gender, height, and activity level. In the third of seven lessons about energy and food, young nutritionists calculate the number of Calories...
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 3
Need to go over some math concepts with your third graders? Use a series of math posters, featuring vocabulary words in geometry, measurement, fractions, probability, and many other areas of study. Each poster presents the term with an...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 1
Clarify basic math concepts with a series of vocabulary posters designed for first graders. The cards include illustrations for fractions, place value, tally marks, and number lines, as well as many more vocabulary words.