Lesson Plan
K20 LEARN

Building Numbers: Addition And Subtraction Up To 10

For Teachers 1st Standards
Animals on Board! Stuart J. Murphy introduces scholars to composed numbers in preparation for writing and drawing true or false number sentences. A game of Bear in the Cave challenges pupils to locate a missing addend. Sorting...
Interactive
Scholastic

Study Jams! Number Lines

For Students 3rd - 5th Standards
Step by step, two examples of creating number lines are explained through a series of animations. One is meant to watch at home, the second can be viewed in class, and there is a third tab with two sample problems to try. This skill,...
Interactive
CK-12 Foundation

Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction

For Students 6th - 8th Standards
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 
Interactive
CK-12 Foundation

Addition and Subtraction of Rational Expressions: Strawberry Sherbet Punch

For Students 9th - 12th Standards
Explore the connection between fractions and rational expressions. Young scholars manipulate fractions with unlike denominators to find a total. Challenge questions allow them to check their work to ensure they are correct.
Interactive
CK-12 Foundation

Subtraction of Fractions: Fragmented Fractions

For Students 5th - 8th Standards
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion. 
Learning
1
1
Curated OER

Making Math More Fun

For Teachers K - 5th Standards
Trick young mathematicians into practicing their basic arithmetic with this extensive collection of fun math games. Whether you're teaching addition, subtraction, multiplication, division, place value, or even fractions, there is a...
Worksheet
Curated OER

2-Digit Subtraction With Borrowing

For Students 2nd - 4th
In this 2-digit subtractions with borrowing worksheet, students problem solve. In this fill in the blank worksheet, students find sixteen differences.
Worksheet
Curated OER

Adding or Subtraction Algebraic Fractions

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students add and subtract algebraic fractions and reduce the answer to lowest terms.  The two page worksheet contains a combination of eleven multiple choice and free response questions. ...
Worksheet
Curated OER

Fraction Subtraction Worksheet

For Students 7th - 8th
In this fractions worksheet, students subtract the twelve given sets of fractions on each of the ten pages. The denominators are mixed.
Worksheet
Curated OER

Adding and Subtracting Fractions

For Students 5th Standards
Fifth graders put their fraction knowledge to work by reading word problems and deciding whether to add or subtract the given fractions. Terms such as combined, total, difference, and left indicate which operation to use.
Worksheet
Curated OER

Subtraction With Negative Results

For Students 4th - 5th
In this subtraction instructional activity, students solve 80 problems in which a single digit number is subtracted from another number that is smaller. The answers will be negative numbers.
Worksheet
Curated OER

Spaceship Math Subtraction G; 10-1, 10-9, Any Number Minus Zero, Version 1

For Students 1st - 2nd
In this subtraction worksheet, students solve for the differences in 40 problems in which they concentrate on the 10-1, 10-9, and any number minus Zero facts. They practice these facts in repeated problems on the page.
Worksheet
Curated OER

Spaceship Math Subtraction H 5-3, 5-2, 12-6 Version 1

For Students 2nd
In this subtraction worksheet, 2nd graders find the differences to 40 problems in which they focus their practice on subtracting 3 from 5, 2 from 5, and 6 from 12. They complete other single digit subtraction facts.
Worksheet
Curated OER

Double-Digit Subtraction

For Students 2nd - 3rd
In this double digit subtraction worksheet, students complete a set of 75 problems, subtraction one 2-digit number from another. Problems are set up 15 to a page.
Lesson Plan
Curated OER

Can You Make a Difference?

For Teachers 3rd - 5th
Students write and present a speech. In this service lesson, students read an anecdote adapted from The Star Thrower and discuss their feelings about their ability to make a difference in the world. Students make a short speech about...
Worksheet
Curated OER

Math Subtraction: 9-1, 9-8, 10-5

For Students 1st - 3rd
In this subtraction activity, students complete 40 simple subtraction problems. Page contains links to answers and additional worksheets.
Worksheet
Curated OER

Spaceship Math Subtraction L

For Students 1st - 2nd
In this subtraction learning exercise, students solve 40 problems in which numbers below 20 are subtracted. These are basic subtraction facts with no regrouping.
Worksheet
Curated OER

Math Subtraction: 3-2, 3-1, 4-1

For Students 1st - 3rd
In this subtraction worksheet, students 40 simple subtraction problems. Page contains links to answers and additional worksheets.
Worksheet
Curated OER

Spaceship Math Subtraction I, 6-2, 6-4, 14-7, Version I

For Students 1st - 2nd
In this subtraction worksheet, students find the differences to 40 vertical problems using the numbers 0 through 14. They practice the facts: 6-2, 6-4, 14-7, in repeated problems on the page.
Worksheet
Curated OER

Subtraction with Three Arguments

For Students 3rd - 5th
In this subtraction practice worksheet, learners use their problem solving skills to solve 40 problems that have 3 arguments each.
Worksheet
Curated OER

Subtraction with Three Arguments 2

For Students 3rd - 5th
In this subtraction practice activity, students use their problem solving skills to solve 40 problems that have 3 arguments each.
Worksheet
Curated OER

Tens Barrier Subtraction/2

For Students 2nd - 3rd
In this subtraction instructional activity, students find the differences in 36 subtraction problems in which they subtract a single digit number from a two digit number. They work on the problems that are divided into 3 sets of 12.
Worksheet
Curated OER

Tens Barrier Subtraction | 5

For Students 1st - 2nd
In this subtraction worksheet, students find the differences in 36 subtraction problems in which they subtract a single digit number from a two digit number. They work on the problems that are divided into 3 sets of 12.
Worksheet
Curated OER

Tens Barrier Subtraction | 7

For Students 2nd - 3rd
In this subtraction learning exercise, students find the differences in 36 subtraction problems in which they subtract a single digit number from a two digit number. They work on the problems that are divided into 3 sets of 12.

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