West Contra Costa Unified School District
Adding Numbers
Support math instruction at home with a helpful reference sheet designed for parents. Three pages cover the subject of addition with written details and labeled pictures.
Curated OER
Santa's List Sums
In this two-digit addition worksheet, 3rd graders add 17 sets of two-digit numbers and write each sum. A 3-part bonus question requires students to add all 17 numbers together.
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Abraham Lincoln Addition Puzzle
For this math worksheet, students solve 50 basic addition facts below 20. Using the sums and the key, students decipher the secret message about Abraham Lincoln.
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Integer Addition; Range (-99) to (+99) (E)
In this addition worksheet, students find the sums to 54 horizontal, integer addition problems in which the addends have a range of (-99) to (+99).
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Visual Sum and Difference Word Problems - Matching Worksheet
Third grade mathematicians match the correct answer to eight word problems that ask them to add and subtract three-digit numbers. Beware the typos and the complex wording of the problems.
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Visual Sum and Difference Word Problems
Aside from awkward wording, this worksheet has problems for learners to solve. They read each problem then use the provided pictures to solve. Note: The images and language are misleading on this worksheet and may be confusing for some...
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Related Addition and Subtraction
Warm up your mathematicians using this fact families worksheet! Because the answer is explained below, consider projecting this for the whole class and uncovering the bottom half after collecting student responses. There are two...
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Number Lines and Whole Numbers
Number lines are a great way to help scholars grasp basic addition when it's still a new concept. This worksheet offers them 10 chances to practice this association. The first five have an addition equation and a number line; learners...
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Adding 2-Digit Numbers, part 2
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this may be...
DK Publishing
Addition Practice #3
If you're in search of some basic addition drills, take a look at this for your second and third graders. There are 20 vertically aligned equations here, each with one three-digit addend and one two-digit addend. Scholars regroup as...
Curated OER
Estimate Sums and Differences
In this sums and differences learning exercise, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space provided....
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My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
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2 digit addition
In this addition instructional activity, students solve 2 digit addition problems with regrouping. Students solve 12 addition problems and have a review in the beginning.
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Standard written method for addition of 2-digits
In this addition activity, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
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Integer Addition; Range (-99) to (+99) (C)
In this addition worksheet, 5th graders find the sums to 54 horizontal, integer addition problems in which the addends have a range of (-99) to (+99).
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Valentine's Day Chocolates Mystery: Sums to 198 (B)
Students add double digit numbers to other two digit numbers. Each answer over 97 stands for a chocolate candy in the box. Students solve the problems to determine the number of chocolates in the candy box.
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Integer Addition: Range (-99) to (+99)
In this math activity, learners add integers in the range of -99 to +99. They find the sums in 54 problems that are arranged as vertical additional problems.
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Addition and Subtraction Practice
In this addition and subtraction worksheet set, students complete 20 pages of addition and subtraction practice. They find the sums or differences to 10 problems on each page. They answer problems that have either two or three digit...
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Integer Addition; Range (-99) to (+99) (H)
In this number sense worksheet, student practice adding integers with a range of (-99) to (+99). They find the sums in 54 problems.
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Two Digit Addition With and Without Carrying
For this addition worksheet, students solve 16 problems in which two digit numbers are added with and without regrouping. Problems are in a vertical format.
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Secret Code Riddles: Addition & Subtraction
In this riddle worksheet, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to solve...
Curated OER
Number Lines and Whole Numbers
Number lines are a great way to help beginning mathematicians comprehend addition and subtraction. They examine an addition equation and find the sum using the number line. Learners indicate the sum on the line and write it into the...
DK Publishing
Adding with 3-digit Numbers #2
These 25 addition problems each have two 3-digit addends, and many require regrouping. There are three examples to guide learners in all the types of problems they encounter, including the last set of five which have four-digit sums....
Curated OER
Addition: 4 Addend Strand
In this addition practice activity, students use their math skills to solve 50 problems that each require them to find the sum of 4 addends.