Curated OER
Decimal Addition and Subtraction
In this decimal addition and subtraction practice worksheet, students use their problem solving skills to solve 24 problems that require them to add and subtract decimals with up to 3 decimal places.
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Decimal Addition and Subtraction 2
In this decimal addition and subtraction practice learning exercise, students use their problem solving skills to solve 12 problems that require them to add and subtract decimals with up to 1 and 2 decimal places.
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My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 1 and 2 digit numbers. Students may submit their answers to be scored.
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My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems that require them to add and subtract using whole numbers and decimals. Students may submit their answers to be scored.
Curated OER
Fact Families
For this addition worksheet, learners practice solving addition equations in fact families. Students solve 6 different fact families.
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Mathematics Lesson Plan
Second graders study subtraction facts. For this mathematics lesson, 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...
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Math Fact Card Games
Students play card games as a way to strengthen their math skills. In this math facts lesson, students play UNO multiplication, greater than and less then and multiplication war.
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Jump Rope Math
Students practice grade level math skills. In this math lesson, students solve math facts on index cards and collaboratively arrange them in numerical order on a jump rope. Correct order earns the team a chance to physically move towards...
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...
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Using Doubles
Bring this easy shortcut to your first grade addition lesson! By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
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Speed Trials: Final Test
How quickly can your third graders solve these 63 math problems? Ranging from addition, subtraction, multiplication, and division, you can use this resource to assess your students' mental math. Cut the activity into thirds to make the...
Prince Edward Island
Fact Learning, Mental Computation, Estimation
Need help with mental math in your classroom? This guide is full of tips, tricks, and examples to help the teacher encourage learners to use their brain instead of a calculator. Practice problems are included with reasons how to use...
Curated OER
Subtraction Practice Series
In this mathematics activity, 2nd graders solve a number of problems by subtracting a two-digit number from another two-digit number and regrouping when necessary. There are 36 problems to solve on the sheet.
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Number Line Locomotion
Here is a great lesson that incorporates movement into academic learning. Students improve addition subtraction skills by using number lines and locomotor movement.
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Shipping on the Hudson
Students track movements of ships, tugboats, and barges on the Hudson River estuary in order to practice addition and subtraction skills. They solve word problems by reading and interpreting data from a table. They calculate distances...
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Alexander Used to Be Rich
Reading Alexander, Who Used to Be Rich Last Sunday, launches this lesson appropriate for children who recognize coins and have been introduced to coin values. Using addition and subtraction skills, the class tracks Alexander’s spending...
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Inverse Relationship Between Addition and subtraction
First graders review number facts to illustrate the relationship between addition and subtraction. In this inverse relationship lesson, 1st graders write an addition sentence and then invert the numbers to show the subtraction fact.
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Math Facts Race
Students reinforce math-facts knowledge and understanding, contribute to a team effort and carefully observe the actions of all team members by playing a game to practice addition, subtraction, or multiplication facts.
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Spaceship Math Addition XAll Problems Practice Version 1
In this addition learning exercise, 1st graders find the sums to 40 single digit addition problems. They regroup as needed while practicing basic addition facts.
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Dinosaur Addition
For this math with counters worksheet, students use their math skills to solve the 3 problems that require them to add with 1 digit numbers.
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Math Cross--Puzzle #4
In this single digit addition, subtraction and multiplication worksheet, learners complete a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
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Subtraction with Three Digits
In this mathematics worksheet, students solve a number of problems by subtracting three-digit numbers from other three-digit numbers. There are 30 problems to solve on the sheet.
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Math Cross--Puzzle #16
In this rounding worksheet, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
Curriculum Corner
Guest Teacher Plans: 1st Grade
Have you ever gone to work when you needed to stay home but didn't because the thought of making substitute plans was too daunting? Don't feel that way anymore with a template designed for first grade equipped with general classroom...