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Curated OER
Make 80
In this addition worksheet, students solve 15 addition and subtraction problems using 2-digit numbers. The answers are on the second page.
Curated OER
Three-Digit Subtraction, No Regrouping
Subtract a three-digit number! Your class will have no problem subtracting two and three-digit numbers after practicing with this activity. There are 20 problems to solve, no regrouping, borrowing, or trading involved.
Curated OER
Addition and Subtraction: Basic Word Problems
In this work problem worksheet, students complete a set of 10 addition and subtraction problems. Answers are included on page. Problems are beginning level.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
Curated OER
Missing Digit Operations (I) Fill in the Missing Digits
In this missing digits learning exercise, 4th graders fill in the missing digits to the math problems. Students have to complete 30 problems where they fill in the missing digits to the problem and the answer so that it makes sense....
Curated OER
Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
Learning to Add and Subtract
Young learners practice addition and subtraction to solve problems. They use a webquest application to model how to solve math problems using pictures, words and numbers, and also practice using multiplication and division.
Curated OER
Two-Digit Numbers: 10 More or 10 Less
Complete the sequence by adding or subtracting 10! Although the instructions are slightly vague, the idea is that learners are given a starting number and fill in four sequential numbers by either adding or subtracting 10. The first four...
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math activity, 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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Adding and Subtracting Integers Two
In this addition and subtraction worksheet, students add and subtract one and two digit numbers including negative numbers. Students complete 120 problems.
Curated OER
The Case of the Missing Numbers
In this finding the unknown numbers learning exercise, students help Detective Digit solve addition and subtraction problems, match the answers with letters, and find the name of the number thief. Students solve and match 16 problems.
Curated OER
Codebreaker Math
Young scholars solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages...
Arcademics
Skateboard Pups
Players skate their way to the finish line by adding and subtracting two-step expressions as fast as possible.
DK Publishing
Subtracting Big Numbers, part 2
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
Curated OER
Adding and Subtracting
Adding and subtracting 100 is a breeze once scholars understand the role place value plays in this math process. They examine four examples before adding 100 to 24 numbers and subtracting 100 from 24 more. If you haven't yet covered...
Curated OER
Add and Subtract within 20
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
Curated OER
Double Deckers- Addition and Subtraction Practice
In this addition and subtraction instructional activity, students complete number sentences using the given digits. They write an addition problem on top of a subtraction problem by filling in the blanks that are shown in pictures of...
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Solving addition equations
For this addition equations worksheet, students solve equations with variables that have one and two digit numbers in them. Students complete 4 problems.
Curated OER
What Numbers Do Digits Represent
In this place value worksheet, students write down the value of the number underlined in the larger numbers. For example, 390 945 will be provided and students write down 40. They then use a calculator to solve addition and subtraction...
Curated OER
Addition and Subtraction 1
In this addition worksheet, 3rd graders solve 10 addition math problems involving 2, 3 and 4 digit numbers. Students write their sums on the worksheet.
Curated OER
Addition and Subtraction of Integers #1
In this addition and subtraction of integers #1 activity, students solve 120 two digit problems with positive and negative numbers; there are 2 different sheets on a page, each with 60 problems.
Curated OER
Number Lines and Whole Numbers
Use number lines to visually represent addition and subtraction equations. First, scholars complete an addition number sentence and represent the equation on a number line. Next, they examine a number line and write the corresponding...