Curated OER
Decimal Addition
In this decimal addition worksheet, students add two to four digit numbers with decimals together. Students complete 80 problems and 16 review problems.
Curated OER
Math Webs #1- Addition
In this elementary math worksheet, 3rd graders complete 4 addition math webs by adding the number in the middle of the web to those that are placed around it in a circular graphic organizer. They work with single digit numbers that may...
Curated OER
Adding: Single Digit
In this addition worksheet, students add numerals one to seven. In this matching worksheet, students match four equations to their sums.
Curated OER
Addition-0-9
In this addition worksheet, students complete a set of 14 problems, adding one digit numbers 0-9. A reference web site is given for additional activities.
Curated OER
Problem-Solving Decision: Explain Your Answer - Reteach
In this problem solving activity, 3rd graders solve 3 word problems in which they add or subtract with three digit numbers. They write an explanation of how they solved the problem.
Curated OER
Addition Exercises
In this adding one worksheet, students add numbers in a two-column graph to find the sums by adding one to the numerals one to nine in sequence and observe the answer patterns. Students find eight sums.
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Digit Addition #3
In this math worksheet, student practice the operation of addition for
the 25 problems. The solutions are found through the link at the bottom
of the page.
Curated OER
Mental Math Blocks 3
In this math worksheet, students solve eleven math problems. These include finding the missing digits of an addition problem and solving a word problem about picking up pieces of trash.
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Adding Greater Numbers
In this addition worksheet, 3rd graders solve 12 addition math problems dealing with 4-digit numbers and money. Students answer 3 addition word problems and 2 addition problems with multiple choice answers.
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Math Review
In this review of math skills worksheet, students determine elapsed time in minutes, compare two-digit numerals, add values of money, identify an addition property and a solid figure. Students solve five problems.
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Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
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Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
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Addition: three numbers
In this addition worksheet, students add three numbers together. Students complete 40 problems where each number is one or two digits.
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Addition: level 3: exercise 3 (carryovers)
In this addition worksheet, students add two digit numbers to one digit numbers with regrouping. Students complete 30 addition problems.
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Addition: 2 digit numbers
In this addition worksheet, 2nd graders add two digit numbers together without regrouping. Students complete 40 addition problems.
Curated OER
Adding 2-Digit Numbers (Crossing 10)
In this addition learning exercise, students add the two given two-digit numbers. Students complete nine different problems and solve by segmenting the numbers crossing ten.
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Addition With Decimals
In this decimal addition worksheet, students add two and three-digit numbers containing decimals. Twenty problems are given. Some decimals don't line up perfectly.
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Number Palindromes
For this number palindromes worksheet, 3rd graders reverse the digits then add to make number palindromes with two and three digit numbers.
Curated OER
Addition Worksheet for Decimals: One Digit
For this addition worksheet, students solve 36 decimal addition problems. Worksheet is set up in 3 pages of 12 problems each, 3x4 rows.
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Addition and Subtraction
For this addition and subtraction worksheet, students add and subtract three and four-digit numbers with decimals. They justify their answers. This two-page worksheet contains approximately 12 problems.
Curated OER
Add Whole Numbers
In this addition worksheet, students add three and four digit numbers together. Students complete 96 addition of whole numbers problems.
West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
Curated OER
Adding Up
Make addition visual in order to help beginners understand the concept. They add up beads on a string, examining an example before trying it on their own. Learners fill in addends and sums for these, and sometimes both....
DK Publishing
Cubes of Small Numbers
Now that geometers know how to solve for square units, can they solve for cubed units? Explore this concept as scholars examine four cubes to solve for volume in each. A detailed example explains this process, but you may consider asking...
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