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The Part-adder 1
Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.
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The Take-Awar Bar 1
Students use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...
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Something's Hiding!
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
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Add and Subtract Decimals
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Pennsylvania Department of Education
Comparing Sets
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
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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.
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Mental Arithmetic
In this mental math worksheet, students answer 2 sets of mental math questions about writing whole numbers, place value, counting back and on in tens and addition and subtraction.
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Two By One Multiplication
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.
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Math Card Clues
In this math instructional activity, students solve 11 math card clues. All of the clues involve addition or subtraction. For example, one card reads, "I am zero. Add on 4."
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Subtraction: Decimals
In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
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Simplifying Fractions
In this algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.
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Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
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Matter
Young scholars complete a unit of activities to learn about states of matter and how to measure matter. In this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.
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Musical Math
Learners play a game of mathematical musical chairs, moving from desk to desk solving addition and subtraction problems.
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Regrouping
Students practice regrouping using the wonderful manipulative - unifix cubes. Once they have a tactile understanding of regrouping, students complete 5 worksheets containing addition problems that require regrouping. The worksheets...
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Number Stories
Students write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...
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End of the Year Math Terms
In this end of the year math test worksheet, 4th graders complete problems including addition, division, measurement, decimals, and more. Students complete 22 problems.
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Booster (pg.13)
In this addition and multiplication worksheet, students put a circle around 2 numbers out of 9 that add up to 140, put in the missing digit in 1 multiplication problem and fill in 3 circles with digits when added to the other digits, add...
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My Decimal Number
Third graders brainstorm different ways to represent decimal fractions. They draw on their knowledge of decimal place value, addition and subtraction of decimals, and writing decimals in words and symbols. Students discuss the meaning...
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Not So Snappy 5
In this order of operations (i.e., addition, subtraction, multiplication, division) worksheet, students solve 5 word problems demonstrating their understanding of the concept.
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I'll Have an Order of Subtraction Please!
Students explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Students complete...
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Computers Can Only Add
Students explore using mathematics to solve problems in base two. After a teacher demonstration of using base two to write numbers. students model similar problems to explore the concept of number systems in different bases. To increase...
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Ten Cards Game
In this cards game, students play a card game in three rounds. In the first round, the student's objective is to gather the largest sum of cards. For round two, students try to gather cards to equal a sum of 50. In the...
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Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...