Curated OER
"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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Subtraction Rhyme
Students study a rhyme for subtracting with regrouping from 10's to 1's.
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Curated OER
Subtraction of Mixed Numbers
Students subtract mixed numbers that require regrouping and have a difference less than fifty.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
Subtracting with Regrouping
Second graders explore math functions by completing a worksheet in class. In this subtraction lesson, 2nd graders identify the techniques used to assist in subtracting multi-digit numbers. Students complete a subtraction worksheet and...
Curated OER
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 add and subtract.
Curated OER
Relationship Between Addition and Subtraction
Young scholars are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson plan, students are being taught using theories from different philosophers in education. They...
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Market Prices
Second graders understand that prices change. For this business, price and labor lesson, 2nd graders define the words market and price. Students read Arthur's Funny Money and answer questions related to earning and spending money....
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Two Digit Subtraction No Regrouping
In this math literacy worksheet, students practice solving the 20 problems while focusing on the skill of subtraction while not using regrouping.
Curated OER
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...
Curated OER
Easier Way to Subtract
In this subtraction review worksheet, students read about the Tic Tac Toe method for subtraction and then use the method to solve some problems.
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Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
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Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
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Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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Kid Pix Math
Second graders, using Kid Pix, write and illustrate simple addition and subtraction sentences using Kid Pix. After each student has completed his/her work, it is printed out and bound into a class book.
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Chart Trivia
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
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.
Curated OER
Subtracting Whole Numbers
Second graders practice subtracting numbers by using a visual aide. In this number sense lesson plan, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the equation. Students complete a...
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Problem Solving With Fractions
Sixth graders solve and analyze fractions. In this algebra instructional activity, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
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Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
Curated OER
Dinosaur Math
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...