Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Curated OER
Match the Sums and Differences Worksheet
Because these eight addition and subtraction equations are written horizontally, learners will need to either re-write them or use mental math to solve them. Depending on your objectives, either would be a fine use of this learning...
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The Weight of Primates
Second graders practice their problem solving skills. In this addition and subtraction skills activity, 2nd graders solve word problems that require them to find differences and sums. This activity features the use of a video titled...
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Same Picture Subtraction and Addition
For this addition and subtraction worksheet, students make a subtraction and addition sentence for the same picture, then write additional sentences as instructed. A website reference for additional resources is given.
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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 1 and 2 digit numbers. Students may submit their answers to be scored.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using whole numbers and decimals. Students may submit their answers to be scored.
Alabama Learning Exchange
"Like Terms", I Add Them
Ninth graders add and subtract polynomials. In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan. Both the horizontal and vertical methods of addition and...
Curated OER
Understanding Whole Numbers
For this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
Curated OER
Addition and Subtraction for Grade 1
In this addition and subtraction for grade 1 worksheet, 1st graders answer 10 multiple choice questions, not interactively, with answers available.
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.
Curated OER
My Test Book: Addition and Subtraction
In this math skills worksheet, students respond to 10 multiple choice math problems that require them use their addition and subtraction skills to solve the story problems. Students may view the correct answers.
Curated OER
Addition and Subtraction of Decimals for Grade 5
In this addition and subtraction of decimals for grade 5 worksheet, 5th graders answer 10 multiple choice questions, not interactively, with answers available online.
K12 Reader
Sum Difference
If you need a way to address math and reading in one lesson, look no further than a passage about inverse operations, complete with reading comprehension questions. Kids focus on context clues to determine the meanings of unfamiliar words.
Curated OER
Arithmetic: Fractions and Percentages
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
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Subtracting Three Numbers
Second and third graders practice subtracting problems with one digit, two digit, and three digit numbers. They complete 80 subtraction problems.
Curated OER
Comparing Apples With Apples 1
Elementary schoolers observe and demonstrate how to add and subtract fractions with like denominators. They observe the teacher model a variety of fraction addition and subtraction problems and use fraction strips to complete a worksheet.
Curated OER
Problem Solvers
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Curated OER
Addition Word Problems 1, Version 1
In this addition worksheet, students solve word problems containing one and two digit numbers. Students complete 5 addition word problems.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 1
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
Curated OER
Fraction City
Welcome to Fraction City! This is an incredibly interactive and fun way to teach properties of fractions, and reaches multiple learning styles. Scholars create "blocks" by folding strips of paper in various increments (thirds, fourths,...
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Addition & Subtraction Word Problems
For this addition and subtraction word problems worksheet, students examine, analyze and develop a variety of word problems solving skills involving both addition and subtraction.
Curated OER
Addition and Subtraction 2
In this subtraction worksheet, students find the differences for three-digit and four-digit numbers with regrouping. Students solve twelve problems.
Curated OER
Mental Addition and Subtraction
Students play the online game ArithmAttack to practice mental math skills. They play the game to as many additions or subtractions as possible in sixty seconds. Afterward, they complete a paper based follow up exercise.
Curated OER
Addition and Subtraction 1
In this addition worksheet, learners add groups of two and three whole numbers and tenths and hundredths decimals. Students problem solve to write ten sums.
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