Worksheet
Curated OER

Addition and Subtraction

For Students 1st - 2nd
For this recognizing addition and subtraction word families worksheet, students subtract and then add the family equations. Students solve 32 problems.
Lesson Plan
Curated OER

Native American Pebble and Pot Game

For Teachers Pre-K - 1st
Learners participate in a game using 12 manipulatives.  In 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....
Worksheet
Curated OER

Math: Decimals / Money #1 (10-99)

For Students 3rd - 6th
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.
Lesson Plan
Curated OER

Polynomials

For Teachers 6th - 8th
Young scholars add and subtract polynomials. In this polynomials assessment, students calculate ten questions using addition and subtraction. Young scholars use Lego manipulatives to create their own worksheet on polynomials.
Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Rational Numbers to Solve Problems

For Teachers 9th - 12th
Students explore the concept of probability.  In this probability lesson, students use area to determine probability.  Students use charts and spinners to help determine the probability of events such as flipping a coin or...
Worksheet
Curated OER

Sharpen Your Skills: Addition and Subtraction

For Students 1st - 2nd
In 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.
Lesson Plan
Curated OER

Pet overpopulation-Dogs and Cats Can't Add or Subtract, But They Sure Can Multiply

For Teachers 5th - 8th
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...
Worksheet
Curated OER

Naming the Pattern

For Students 2nd
For 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.
Lesson Plan
Curated OER

Subtracting With the Hundreds Place And Regrouping

For Teachers 3rd - 4th
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...
Lesson Plan
Curated OER

Counting Back and Counting On

For Teachers Pre-K - 2nd
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...
Lesson Plan
Curated OER

Expressions and Equations

For Teachers 4th - 6th
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.
Lesson Plan
Curated OER

60-30-10

For Teachers 6th - 8th
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.
Assessment
1
1
California Education Partners

Summer Olympics

For Students 5th Standards
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...
Unit Plan
Benjamin Franklin High School

Saxon Math: Algebra 2 (Section 1)

For Teachers 9th - 12th Standards
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...
Worksheet
Curated OER

Length Addition and Subtraction Word Problems

For Students 1st - 2nd
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...
Worksheet
Curated OER

Add and Subtract Decimal Thousandths (C)

For Students 5th - 6th
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.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
For this addition and subtraction worksheet, students complete addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
In this addition and subtraction worksheet, learners solve addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Worksheet
Curated OER

Mental Arithmetic Sets 3 and 4

For Students 3rd
In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting. 
Worksheet
Curated OER

Add Groups of Ten

For Students 2nd - 3rd
In this addition activity, students 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.
Lesson Plan
Curated OER

Mathville 1

For Teachers 1st
In 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.
Worksheet
Curated OER

Counting More and Counting Less

For Students K - 1st
In this counting 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 the group that...
Worksheet
Curated OER

Adding Decimals; Ten Thousandths

For Students 3rd - 5th
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.
Lesson Plan
National Security Agency

Borrowing from Our Neighbors

For Teachers 2nd - 4th Standards
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.

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