Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
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...
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
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Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.
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Addition / Subtraction Connection
In this addition and subtraction worksheet, students write addition and subtraction number sentences that relate to each other and solve word problems. Students complete 6 sets of problems.
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Addition & Subtraction Properties With Integers
Sixth graders use a number line to solve addition and subtraction problems. In groups, they play a game of "Human Number Line Relay." They use a deck of cards to randomly create addition and subtraction equations and physically walk a...
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Using Addition to Subtract
In this using addition to subtract worksheet, students, working with a partner, practice problem solving six word problems and equations.
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Mental Arithmetic - Adding to Thousands
In this addition worksheet, students solve the 15 addition problems using mental math. The last 3 problems ask that students write down the method they used to solve the problem. In these problems, a 4-digit number is added to a 1-digit...
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Make 50
In this addition worksheet, students figure out the missing numbers in 8 addition problems that equal the sum of 50. Students write down all the pairs of even numbers with a total of 50 and all the different pairs of even numbers with a...
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Addition and Subtraction of Money
In this multiple choice worksheet, students read short word problems and add or subtract to determine how much money is represented in each problem.
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How to Use the Distributive Property of Multiplication
Fourth graders evaluate the distributive property of multiplication. In this multiplication lesson plan, 4th graders discover how the distributive property makes problem solving faster. Students complete several problems demonstrating...
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Addition and Subtraction Vocabulary Cards
In this math vocabulary learning exercise, students learn 20 words or phrases that pertain to addition or subtraction. The words are in large font on vocabulary cards; there are no definitions here.
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Pumpkin Math
In this thematic Halloween math activity, students will use pumpkin seeds to complete the fourteen questions. Using the seeds, the students will work on addition and subtraction word problems, place value, and decipher odd and even...
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Mental Math Skills
In this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
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Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. For this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
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Adding up the Pizza
Although not the best in terms of grammar, this addition word problem will work just fine as a guided warm-up. Because the explanation is at the bottom of the page, project this for the class, having learners do it independently, then...
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Touch Math
Using the touch math system, learners engage in activities to practice adding numbers. While the instructional activity is laid out in an explicit manner, there isn't a guide explaining the touch math system.
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Place Value Lessons
Students can learn about place value using interesting lessons, activities, and games.
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Algebraic Manipulation
In this algebraic manipulation worksheet, students examine a given number grid, find the pattern and determine an equation to fit the situation. They calculate the area of given rectangles. Students solve real life problems using given...
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Math B Regents Questions by Performance Indicator: Rational Numbers
In this rational number activity, students add and subtract quantities containing radical expressions. They identify equivalent expressions. This three-page activity contains 15 multiple-choice problems. Answers are...
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The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
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Review of Adding and Subtracting Integers
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...
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A Human Number Line
Eighth graders act out a number line using integers -10 to 10 on large cards. They practice addition and subtraction of these integers to gain explain the relative size of numbers.
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Powers of 2 (Binary) Investigation
In this binary addition worksheet, students add combinations of the numbers one, two, four, eight, sixteen, thirty-two, and sixty four. Students try to make a number through one hundred but may only use each number once in each calculation.
DK Publishing
Money Word Problems #2
Are you experiencing money problems? Here are some more! Young mathematicians practice their addition and subtraction skills with money values in these word problems and number sentences. Some of the 25 questions prompt scholars to...