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Curated OER
Addition and Subtraction
For this recognizing addition and subtraction word families worksheet, students subtract and then add the family equations. Students solve 32 problems.
Curated OER
Native American Pebble and Pot Game
Students participate in a game using 12 manipulatives. For this addition and subtraction lesson students play a game originated by the Native Americans and look at a number of items and calculate how many are hidden....
Curated OER
Math: Decimals / Money #1 (10-99)
In this elementary math worksheet, students review subtracting decimals as they complete 25 problems. The problems require students to subtract digits ranging from 10-99.
Curated OER
Polynomials
Students add and subtract polynomials. In this polynomials assessment, students calculate ten questions using addition and subtraction. Students use Lego manipulatives to create their own worksheet on polynomials.
Pennsylvania Department of Education
Adding and Subtracting Rational Numbers to Solve Problems
Learners explore the concept of probability. In this probability lesson, students use area to determine probability. Learners use charts and spinners to help determine the probability of events such as flipping a coin or...
Curated OER
Sharpen Your Skills: Addition and Subtraction
For this addition and subtraction worksheet, students solve the equations that range from three digits to five digits. Students must either add to solve or subtract.
Curated OER
Pet overpopulation-Dogs and Cats Can't Add or Subtract, But They Sure Can Multiply
Students explore pet overpopulation. In this character development lesson, students solve math story problems to determine how many kittens can be produced by one unspayed cat. Students discuss the consequences of pet...
Curated OER
Naming the Pattern
In this pattern worksheet, 2nd graders complete fifteen number patterns and explain the counting pattern for each group. Students also complete five picture patterns and label each of the patterns.
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Curated OER
Counting Back and Counting On
Read aloud your choice of books about counting on and counting back (a list is provided, or tell stories of your own). Your learners will write horizontal equations to portray what happens in the story. They build a paper chain and...
Curated OER
Expressions and Equations
Develop understanding of algebraic expressions and equations by having your class define examples of each. The class discusses how parentheses affect the order of operations and learn how to solve for x. A variety of examples are used.
Curated OER
60-30-10
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
California Education Partners
Summer Olympics
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...
Curated OER
Length Addition and Subtraction Word Problems
Who has the tallest ice cream cone? Learners read two short word problems to compare the heights of various objects. Because these are paired with images, the objective is more of an image analysis than measurement addition and...
Curated OER
Add and Subtract Decimal Thousandths (C)
In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Curated OER
Add or Subtract
For this addition and subtraction worksheet, students complete addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Curated OER
Add or Subtract
In this addition and subtraction worksheet, learners solve addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Curated OER
Mental Arithmetic Sets 3 and 4
In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
Curated OER
Add Groups of Ten
In this addition worksheet, learners add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Mathville 1
For this addition and subtraction worksheet, 1st graders add fifteen pairs of numbers between one and ten. They subtract on five problems. Three subtraction problems require regrouping.
Curated OER
Counting More and Counting Less
In this counting instructional activity, students will count the items in each group and write the numbers on the lines. For the first 6 problems, students will circle the group that has more items. In the last 6, students will circle...
Curated OER
Adding Decimals; Ten Thousandths
In this math worksheet, students add and subtract using decimals in the ten thousandths place. Students complete 32 horizontal problems, writing the answers in the space provided.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.