Curated OER
Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
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Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson plan, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
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The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
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Adding And Subtracting Decimals
In this adding and subtracting decimals worksheet, learners, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
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A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
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Understanding Whole Numbers
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
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Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
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Regrouping With Remediation
Fourth graders complete multiplication, addition, and subtraction problems that all contain regrouping. In this regrouping lesson plan, 4th graders complete worksheets not provided.
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Two-Digit Addition with Regrouping
In this math literacy worksheet, 2nd graders solve the 20 problems while focusing on the skill of using addition with regrouping.
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Two Digit Addition and Regrouping
In this literacy worksheet, students practice solving the 20 problems while focusing on the skills of addition with the strength of regrouping.
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A Borrower And A Lender Be
Second graders practice addition and subtraction in this fun, technology-based Mathematics lesson for the second grade classroom. The lesson includes resource links, video clips, interactive websites, and a section for pre-lesson...
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Let's Trade
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
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Buggin' Out (Identifying and Adding Amounts of Money)
Learners explore consumer math by participating in estimate exercises. In this currency lesson, students identify and define each piece of U.S. currency and their value to the monetary system. Learners complete several money worksheets...
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Value Your Digits
Third graders work with place value. In this place value lesson, 3rd graders write three digit numbers and tell the place value of each number. They compare numbers and money, regroup, discuss the value of coins, and count money.
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Two Digit Addition
In this math worksheet, students practice working out problems with the operation of addition without the need for regrouping.
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A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
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$$Adding Up All Your Loot!$$
In this adding money amounts worksheet, students add four-digit dollars and cents problems with regrouping. Students solve 15 problems.
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Using a Hundreds Chart
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
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"Subtraction Bowling"
Students experience the math concept of subtraction without regrouping. They practice subtraction bowling to work on their basic subtraction skills. Each student demonstrates mastery of the addition and subtraction facts, the meaning of...
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Adding Two-Digit Numbers
In this adding two-digit numbers worksheet, pupils, working with a partner, problem solve seven addition equations and word problems.
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I'll Have an Order of Subtraction Please!
Learners 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. Learners complete...
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A McTrip Back In Time
Students pretend they are time-travellers and travel back to 1954 to a McDonald's Restaurant to see how prices have changed. They need to add and subtract money with regrouping.
Curated OER
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.