Printables
Houghton Mifflin Harcourt

Unit 1 Math Vocabulary Cards (Grade 1)

For Students 1st Standards
Reinforce mathematical vocabulary with the use of flash cards. Each card showcases a boldly typed word as well as a labeled picture representation of the word. Terms include addition, subtraction, greater than, less than, and more!
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Fractions: Add and Subtract

For Students 4th - 5th
In this fractions instructional activity, students count the spare change they have at home and complete a chart, filling in coin values, number they have and total value for each. Students then represent the make a pie chart to...
Worksheet
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Add or Subtract: Story Problems

For Students 2nd - 5th
In this addition and subtraction instructional activity, students learn how to solve basic addition and subtraction story problems. They then solve the 6 problems in the packet. The answers are on the last page of the instructional...
Worksheet
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Adding and Subtracting Integers

For Students 10th - 11th
In this algebra worksheet, learners solve problems containing integers using addition and subtraction. They add positive and negative numbers correctly. There are 30 problems with an answer key.
Lesson Plan
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How using number patterns help us add or subtract

For Teachers 2nd
Second graders use a number line to understand multiples.  In this number line lesson, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.
Lesson Plan
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Add & Subtract Fractions w/Unlike Denominators, 2

For Teachers 7th - 9th
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Lesson Plan
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Review of Adding and Subtracting Integers

For Teachers 8th
Eighth graders review adding and subtracting of integers. The class makes a number line from -10 to 10 and practice adding and subtracting by "acting out" the math problems. Students play a card game using the number cards from a regular...
Worksheet
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Adding and Subtraction Fractions Quiz

For Students 5th - 6th
in this fractions quiz worksheet, students add or subtract, solving for n in a set of equations. Answers are included on page 2. A reference web site is given for additional activities.
Lesson Plan
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Adding And Subtracting Fractions

For Teachers 5th
Fifth graders practice adding and subtracting fractions in this Math lesson for the fifth grade classroom. The lesson uses a word problem involving snack food ingredients that is sure to please any hungry student. State standards for...
Worksheet
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Adding and Subtracting Polynomials

For Students 9th
In this polynomials worksheet, 9th graders solve and complete 12 different problems that include adding and subtracting. First, they identify and combine like terms. Then, students find each sum or difference using the appropriate...
Worksheet
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Adding and Subtracting Polynomials

For Students 9th
In this polynomials worksheet, 9th graders solve and complete 22 various types of polynomials by adding and subtracting. First, they identify the like terms in each. Then, students combine the like terms and remove the brackets. They...
Worksheet
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Adding and Subtracting Like Mixed Numbers (7)

For Students 5th
In this mixed number fractions activity, 5th graders add and subtract to solve the mixed number fractions. Students solve 10 fraction equations.
Worksheet
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Adding and Subtracting Like Fractions (10)

For Students 5th
In this like fractions worksheet, 5th graders add and subtract the like fraction equations. Students solve 10 addition and fraction equations.
Lesson Plan
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Let's Shop

For Teachers 3rd - 5th
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
Worksheet
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Using 10 to Subtract

For Students 1st - 2nd
Pictures of 10-frames help young mathematicians complete 4 subtraction equations with numbers up to 20. This is a resource that just might help subtraction across 10 "click" for your visual learners. They cross out objects from the...
Lesson Plan
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Justifying Answers

For Teachers 2nd - 3rd
Young scholars study story problems and learn how to find and justify their answers. They will use a story problem and then respond to the prompt questions from the teacher. They must add and subtract facts to 6 and learn how to justify...
Lesson Plan
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Signed Numbers and Order of Operations I

For Teachers 8th - 9th
In this signed numbers worksheet, students simplify equations by using the indicated operation. They add, subtract, multiply, and divide equations containing two to four positive and negative integers. Three of the 25 equations contain...
Lesson Plan
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Investigation-Reasoning and Proof

For Teachers 2nd - 3rd
The class explores even and odd numbers.They discuss the results when even numbers are added and when odd numbers are added together. Then work in pairs to find other odd and even pattern examples.
Lesson Plan
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Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Lesson Plan
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Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Lesson Plan
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Simplifying Expressions (Addition and Subtraction)

For Teachers 7th
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
Lesson Plan
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What's That Number? 1-Digit Addition and Subtraction

For Teachers 1st - 2nd
In this subtraction and addition worksheet, students fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.
Lesson Plan
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Addition and Subtraction to 10

For Teachers 1st
In this addition and subtraction worksheet, 1st graders complete a set of problems using numbers 1-10, then color according to a key to create a picture.
Lesson Plan
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Beanie Baby Bonanza

For Teachers 3rd
Third graders add and subtract decimals.  In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies.  Students determine which five they would like to purchase and estimate...

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