Curated OER
Subtraction From the Hundreds
Practice subtraction! The class completes subtraction problems where they subtract one digit numbers from three digit numbers. There are 30 problems to solve (regrouping is not required).
Curated OER
Subtraction with Regrouping
In this subtraction with regrouping lesson, 3rd graders do math computation to find the answer to 9 subtraction problems up to the hundred thousand place.
Curated OER
Basic Math Subtraction of Decimals 2
In this subtraction of decimals worksheet, students subtract numbers with decimals containing up to 4 digit numbers. Students complete 16 problems.
Curated OER
Missing Numbers: Addition and Subtraction
In this missing numbers worksheet, students fill in missing numbers to complete a set of 8 problems using addition or subtraction. A reference web site for additional resources is given.
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Math Salamanders Ltd.
Subtraction - Up to 20, Sheet 3
In this finding the differences worksheet, students subtract one-digit and two-digit from numbers to twenty. Students solve 40 problems.
EngageNY
The Power of Algebra—Finding Pythagorean Triples
The Pythagorean Theorem makes an appearance yet again in this instructional activity on polynomial identities. Learners prove a method for finding Pythagorean triples by applying the difference of squares identity.
Curated OER
Subtraction
Second and third graders use a number line and two of the numbers to determine the missing number. They solve 23 problems. An excellent instructional activity!
Curated OER
Two-digit Addition and Subtraction
Often times we use tens and ones workmats to show how to add single and double-digit numbers. This worksheet has the labeled tens and ones columns built-in. Learners are provided with 16 charts, all you need to do is add the numbers.
Curated OER
Addition and Subtraction - First Grade
Twenty-five multiple choice addition and subtraction problems fill the six-page worksheet. Many are word problems that include graphics to help learners visualize the situation. A useful tool in meeting Common Core standards!
Curated OER
Difference One Proton Makes
Chemsitry aces learn that protons are located in the nucleus and the number of protons in the nucleus determines the atomic number of an element. In this lesson, they compare materials made up of a single element and other materials...
Curated OER
Around the World: Addition, Subtraction, Division, Multiplication
Kids love playing the game Around the World, and now you have a tool to make it even easier. Each slide contains a single addition, subtraction, division, or multiplication problem for learners to solve, the answer appears as you process...
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
CK-12 Foundation
Factor Polynomials Using Special Products: Difference of Two Squares
Factoring patterns are not magic! Show your classes how to model the difference of two squares' factors using an area model. Learners manipulate the width and length of two squares to represent the polynomial a^2-b^2. They use the model...
CK-12 Foundation
Vector Subtraction
Move vectors to determine their difference. Pupils use an interactive to visualize the opposite of a vector. They use the concept of adding vectors to subtract vectors by adding the opposite and, finally, view the differences of the...
Curated OER
2-Digit Subtraction
Here is a presentation which shows forty-eight 2-digit subtraction problems. Learners solve the problems, but there are no answers or any kind of examples for them to practice from.
Curated OER
Length Addition and Subtraction Word Problems
Who has the tallest ice cream cone? Learners read two short word problems to compare the heights of various objects. Because these are paired with images, the objective is more of an image analysis than measurement addition and...
Curated OER
Subtraction
In this subtraction worksheet set, learners find the differences in 480 problems; 24 per page. They subtract two digit numbers from three digit numbers regrouping when necessary.
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.
Curated OER
Modeling and Recording Subtraction
Students practice subtracting numbers from one through ten. For this subtraction lesson, students use counters and a workmat to complete several subtraction problems on an overhead projector.
Curated OER
Two-Digit Subtraction With Regrouping
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson, students use the regrouping method to solve the 2-digit subtraction equations.
Curated OER
2 digit subtraction
Second graders subtract numbers 0 through 10 from 2 digit numbers using different subtraction methods. In this subtraction lesson plan, 2nd graders practice crossing out numbers in a number line, using a 10, and using their fingers to...
Curated OER
Subtraction Tree
In this math puzzle worksheet, students use their problem solving skills to respond to 6 questions that require them to use subtraction.
Curated OER
Mixed Addition/Subtraction Word Problems One -Version 1
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 problems.
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