Curated OER
One More/One Less Scoop
It's so simple: scoop a spoonful of counters, count them, and then make a set that is one more than that number. Next, make a set that is one less. The tangible nature of this basic addition and subtraction activity will keep learners...
Curated OER
Find My Family
In this fact family worksheet, students draw lines to match math facts in the left and right columns to the answers which are written on pictures of puppies shown in the center. They find both sums and differences.
Fuel the Brain
How Much Did They Spend?
Young learners do basic addition (with numbers between 50 and 323), to solve two short word problems. This is a great activity to start the day, or consider using this as a type of summative assessment.
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Two Word Problems
The class solves two basic word problems that requires addition or subtraction. They are encouraged to draw a picture that illustrates each problem.
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Mathematical Signs
The class inserts either the addition, subtraction or multiplication sign in a box between 2 numbers to show how the provided answer was obtained.
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Unifix Cubes
Unifix cubes are wonderful tools that can be used to model a variety of mathematical concepts. Children will compose number two through eight by placing Unifix cubes on their paper and then coloring in the cubes they used.
Kiz Math
Who Wants to Win Millions? Hundred Dollar Questions
Make praciting addition skills fun by using this game. Learners answer addition problems involving one, two, three, and four-digit numbers. What a great way to practice this basic skill!
Curated OER
Calculation Methods 1
There are so many ways to solve any given math problem. Get your problem-solving basics covered with this handy slide show. Various calculation methods are used to solve multiplication, addition, subtraction, and division problems...
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Problem Solving Model
Use a vocabulary chart to introduce math functions. The class defines a list of mathematical vocabulary terms on a worksheet, as well as completes equations and expressions. They examine word problems and practice transcribing them into...
Illustrative Mathematics
Regrouping
What number does 6 tens and 16 ones represent? How is it different from or similar to the number that 7 tens and 6 ones represent? This is the type of questions learners are asked to solve as a way to understand the concept of regrouping.
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Aunt Sally Poster
Please Excuse My Dear Aunt Sally is the mnemonic device for the order of operations featured on an informative and engaging mathematic poster.
Perkins School for the Blind
More or Less
The concept of more or less is one that needs to be mastered prior to learning other concepts such as quantitative analysis, addition, or subtraction. This activity provides several ways to teach learners with low or no vision to...
Curated OER
Fact Families
Students create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math lesson intended for use in the early-elementary classroom. A...
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Solving Multi-Step Inequalities
In this multi-step inequalities activity, 9th graders solve and complete 12 different problems that include solving using various steps. First, they use the distributive property to remove any grouping symbols. Then, students simplify...
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Maya Math: Addition and Subtraction
Students examine how ancient Maya counted, and practice addition and subtraction using Maya number glyphs.
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1-Digit Addition Practice
In this addition instructional activity, learners solve a set of 10 problems, adding 1-digit numbers. Problems are written both vertically and horizontally.
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Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Curated OER
Addition and Subtraction Facts- Eleven Worksheets
In this addition and subtraction worksheet, students solve 220 problems. Each page has two columns of ten basic addition or subtraction facts. These are basic drills with no examples or instructions.
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Introduction: Number Line Addition
In this addition activity, students learn how to use a number line when adding numbers between -9 and 9. First, they read 5 steps on how to use a number line. Next, students read through 2 practice problems in which the answer is...
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Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
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Visual Addition
In this math worksheet, students solve 14 addition problems in which visual clues are given. Students look at the pictures and write the addition equation which matches. Students add the numbers.
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Single Digit Addition Facts
In this addition worksheet, students solve 20 problems in which single digit numbers are added. These are basic addition facts in vertical format.
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Addition and Subtraction Review Worksheet 6
In this addition and subtraction review learning exercise, students solve a total of 15 problems; all problems either add or subtract a 2 digit number from another 2 digit number.
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Pre-Algebra Basic Operations: Decimals
In this pre-algebra decimal worksheet, students complete a total of 28 problems performing multiplication, division, subtraction and addition of decimals and fractions.