Worksheet
Curated OER

Add and Subtract Decimal Thousandths (F)

For Students 4th - 5th
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
In this math worksheet, students solve thirty addition and subtraction problems. The problems contain one-digit and two-digit numbers.
Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Worksheet
Curated OER

Number Puzzles

For Students 1st - 2nd Standards
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
Worksheet
Curated OER

Add and Subtract within 20 - Guided Lesson Explanation

For Students 2nd
Provide second graders with an explanation for how to find the total value of numbers written in a series of boxes.. The resource provides answers and explanations for problems on a referenced activity that is not included.
Lesson Plan
Curated OER

Checking Addition and Subtraction by Estimation

For Teachers 5th - 6th
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
Worksheet
Curated OER

Problems Using Time

For Students 3rd - 4th
What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...
Lesson Plan
Curated OER

Extra Practice 5: Addition, Subtraction, Multiplication and Division of Real Numbers

For Teachers 7th - 9th
In this practice worksheet, students use integer rules to add, subtract, multiply and divide real numbers. This two-page worksheet contains 48 problems.
Worksheet
Curated OER

Working with Scientific Notation

For Students 8th - 10th
In this scientific notation learning exercise, students are given directions to add, subtract, multiply and divide using scientific notation. They complete twenty four problems and express their answers in scientific notation.
Worksheet
Curated OER

One-Digit Addition and Subtraction [G]

For Students 1st - 3rd
For this addition and subtraction worksheet, students complete a total of 49 problems, all adding or subtracting one digit numbers.
Lesson Plan
Curated OER

The Hundreds Board

For Teachers 4th - 5th
Pupils explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
Worksheet
Curated OER

Addition and Subtraction

For Students 2nd - 3rd
In this finding the sums and differences of horizontal problems worksheet, students add and subtract one-digit and two-digit numbers using mental math. Students solve 242 problems.
Worksheet
Curated OER

Uncertainty Worksheet

For Students 9th - 12th
In this uncertainty worksheet, students solve 8 problems of addition and subtraction using the rules for uncertainty notation. They do the same for 7 problems for multiplication and division. Students add, subtract, multiply and divide...
Activity
Florida Center for Instructional Technology

A Human Number Line: Teacher Notes

For Teachers 4th - 6th Standards
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Worksheet
Curated OER

Unit 0 Review - Measurement Lab Equipment

For Teachers 9th - 12th
Review questions like these can be used in your biology, chemistry, physics, or earth science classes! They assess scientists' understanding of laboratory measurement tools including graduated cylinders, thermometers, and balances. They...
Worksheet
Curated OER

Adding and Subtracting with Tenths

For Students 5th - 8th
In this adding with tenths worksheet, students add and subtract numbers whose decimals go to the tenths place. Students complete 10 problems total.
Worksheet
Curated OER

Writing Equations: Addition and Subtraction 0 to 20

For Students 2nd - 3rd
In these subtraction and addition worksheets, students write the equations for the addition and subtraction sentences. Students solve 28 problems.
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [J]

For Students 3rd - 5th
For this decimal worksheet, students add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Worksheet
Curated OER

Add and Subtract Decimal Tenths [D]

For Students 3rd - 4th
In this decimal worksheet, students add and subtract a total of 32 problems using decimal tenths. Answers included on page 2.
Organizer
Curated OER

Decimal Quiz: Adding and Subtracting

For Students 6th
In this decimal quiz:  adding and subtracting worksheet, 6th graders solve eight equations, then use a chart to answer seven questions about the data.
Worksheet
Curated OER

Rational Expressions: Add and Subtract

For Students 9th - 12th
In this rational expression instructional activity, students add or subtract rational expressions by finding common denominators. There are 11 multiple choice questions.
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [F]

For Students 3rd - 4th
In this decimal worksheet, students add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Worksheet
Curated OER

Add and Subtract Decimal Hundredths [G]

For Students 3rd - 5th
In this decimal worksheet, learners add or subtract a total of 32 problems, all either adding or subtracting decimal hundredths.
Worksheet
Curated OER

Math – Writing Equations: Addition and Subtraction 0 to 10

For Students 2nd - 4th
In this writing equations practice learning exercise, learners use their problem solving skills and the information provided to write 10 addition and subtraction number sentences and solve them.