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Adding/Subtracting Integers

For Students 7th - 8th
In this integer worksheet, students find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
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Rational Numbers

For Students 9th
In this rational numbers learning exercise, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students...
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Add and Compare enrichment 10.5

For Students 2nd - 3rd
In this addition worksheet, learners add the ones columns and fill in the carry squares, add the tens, then order the sums. Students solve ten problems.
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Angles of a Triangle

For Teachers 9th - 12th Standards
Learners explore the measures of the angles of a triangle in this geometry lesson. They use Cabri Jr. to investigate the sum of the measures of the interior angles of a triangle, and examine the relationships between the interior and...
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Adding and Subtracting Integers

For Students 6th
In this integers activity, 6th graders solve and complete 42 different problems that include adding and subtracting integers. First, they find the sum or difference of each integer. Then, students evaluate each expression for the given...
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Finding a Way

For Students 3rd
In this mental math worksheet, 3rd graders use mental math to find and solve each missing product, sum and/or difference in each of the 4 paths. Students answer 1 short answer question relating to the paths.
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Sums With 9

For Teachers 1st
In this sums with nine worksheet, 1st graders calculate the sums of nine in ten sets of red dots, calculate the answers to twenty five addition equations.
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Addition and Subtraction sums and differences

For Students 2nd - 5th
In this sums and differences worksheet, learners are given a one digit number and they have to make up the addition or subtraction problem to make it equal to the number. Students complete 36 problems.
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Easter Addition (Sums to 100)

For Students 3rd - 5th
In this addition worksheet, students add integers and place the answer in the egg. All numbers are between 10 and 99. This one-page worksheet contains 25 problems. An answer sheet is included.
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Finding Sums to 6

For Teachers Pre-K - 2nd
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
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Sums of 3, 4, and 5

For Students K - 1st
In this basic mathematics worksheet, students add each of the colored buttons to get their answer. They use addition to solve each of the 16 problems on the sheet.
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Polygon Sum Conjecture

For Teachers 9th - 10th
Pupils calculate the sum of the angles of a polygon. In this geometry lesson, students use the interior angle formula of polygon based on the number of sides of the polygon. They identify the missing angle using algebra.
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Partial Sums

For Teachers 4th - 6th
Students add numbers and represent digits in extended form. In this extended form lesson plan, students complete this with 2 digit addition problems.
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Spin for the Sum Spinner

For Students K - 2nd
In this math instructional activity, students create an addition game by cutting out the spinner shape and the arrow and fastening them together. On the spinner are the digits 1-4. There are no directions for the game.
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Missing Addends-Sums with 8 and 9

For Students 1st - 2nd
In this missing addend worksheet, students fill in one missing addend in a problem in order to arrive at a given sum. All sums equal either 8 or 9. Worksheet has a reference web site for additional activities.
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Subset Sum

For Teachers 9th - 12th
Young scholars explore the concept of exponential growth.  In this exponential growth lesson plan, students solve a problem about ensuring fairness in a Tug-of-War.  Young scholars determine which students should be on a team...
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Sums of 10

For Students 1st - 2nd
In this addition worksheet, students solve a total of 50 problems adding 10 to 1-digit numbers. A website reference for additional resources is given.
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Addition Sums Less than 30: Addends 10 to 15

For Students 2nd - 5th
In this addition worksheet, students solve 20 problems in which they add 2 numbers together. The addends are between 10 and 15 and the sums are all less than 30.
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Sums

For Students 2nd - 4th
In this addition worksheet, students add two-digit vertical numbers with some regrouping to find the sums. Students solve twelve problems.
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Count the Sums

For Students K - 1st
In this finding the sum worksheet, students count the objects and add the numbers to problem solve. Students solve 8 problems.
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What Is the Sum?

For Students Pre-K - K
In this finding the sum worksheet, learners count objects written with a plus sign, add their numbers, and record the total amount for each set of problems. Students solve 8 problems.
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Sum It Up!

For Teachers 1st - 2nd
Pupils practice addition facts. In this math instructional activity, students play "Sum it Up" in order in increase their speed in recalling their addition facts.
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Missing Addend - sums with 6 and 7

For Students 2nd
In this missing addend worksheet, 2nd graders complete the missing numbers to addition problems where sums are between 6 and 7 where the numbers are represented by cubes. Students complete 16 problems.
Worksheet
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Missing Addends-Sums With 6 and 7

For Students 1st - 2nd
For this missing addend worksheet, students fill in missing numbers above pictures of blocks. Each problem has a sum of either 6 or 7. A reference web site is given for additional activities.

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