Curated OER
Physical Setting: Physics Exam 2004
Twelve pages of mostly multiple-choice questions comprise this comprehensive New York Regents physics exam. It covers an entire year's worth of physics curriculum and requires about three hours for completion. Review the questions to...
Curated OER
Seedfolks Character Chart
There are quite a few characters in Paul Fleischman's Seedfolks, so why not help your class keep track of them? Learners can mark up this chart to show the traits that apply to each character. Along the left, each character is listed,...
Curated OER
Signs
In this operational signs worksheet, students insert the correct sign in the boxes for addition, multiplication, and subtraction. Students complete 7 problems total.
Curated OER
Solving Equations with the Variable on Both Sides
In this solving equations activity, 9th graders solve and complete 21 different problems that include solving various equations that contain a variable on both sides of the equal sign. Then, students write an equations and solve it,...
Curated OER
Subtracting Integers - A
In this integer subtraction worksheet, students solve 26 problems in which integers are subtracted. Number range is from -10 to +10. There are detailed examples provided.
Curated OER
Find Correct Sign Worksheet
In this addition and subtraction worksheet, students fill in the correct sign for the addition and subtraction problems. Students complete 24 problems.
Del Mar College
Translating Verbal Expressions
Help scholars translate verbal expressions into numerical expressions. The two-page document is comprised of descriptions and examples that showcase terms and phrases related to addition, subtraction, multiplication, division, powers,...
CK-12 Foundation
Factorization of Quadratic Expressions: Algebra Tiles
What does it mean to factor the difference of two squares? The interactive presents an area model of the difference of two squares. Pupils rearrange the model to create a rectangular area. The learners determine the length and width...
Curated OER
Arithmetic: Fractions
Mathematics aces, after a warm-up activity with some easy calculations, practice solving rules of signs and powers of 10 equations. Multiplying and dividing decimals is also covered within this lesson in depth. A variety of examples and...
Curated OER
Choosing the Operation: Add or Subtract
Try a new approach to addition and subtraction by giving scholars the numbers but leaving out the sign. They must determine if the numbers have been added or subtracted, then write in the appropriate operation. There are a few examples...
Curated OER
More and Less Handfuls
Working as a pair, two kindergartners will sit at a table and will pick two handfuls of counters. They will combine their individual handfuls into one, and count their own selection. They will then draw and record their count on a record...
Curated OER
Summer Packet - Math & Reading
For this math and reading comprehension worksheet packet, students solve 700 basic addition, subtraction, multiplication, and division facts. Next, they identify what a sentence looks like, the difference between there and their, and...
CK-12 Foundation
The Real Numbers: Adding Electrons
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.
Curated OER
Subtraction: 2 digit numbers with regrouping
For this subtraction worksheet, students subtract two digit numbers from other two digit numbers with regrouping. Students complete 30 subtraction problems.
Curated OER
Two-Digit Numbers Ending in 8 or 7
In this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...
Curated OER
Money Subtraction (H)
In this money subtraction worksheet, students subtract the monetary amounts in increments of 10 cents. Students solve 20 subtraction problems. This worksheet uses the Euro sign.
Curated OER
Money Subtraction (I)
In this money subtraction instructional activity, students subtract the monetary amounts in increments of 10 cents. Students solve 20 subtraction problems. This instructional activity uses the Euro sign.
Curated OER
Addition and Subtraction
In this addition and subtraction activity, students analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are different....
Curated OER
Investigation-Reasoning and Proof
Third graders determine the outcome of each of the following situations and justify their findings: even number + even number = ?, even number + odd number = ?, odd number + odd number = ?, and odd number + even number = ?.
Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
Worthington City Schools
From Survive to Thrive: What Great Substitute Teachers Do Differently
Thinking about signing up as a substitute teacher? Subbing is not for the faint of heart but with the help of the thoughtful advice in a detailed guide, you can develop the skills you need to be a great, professional substitute teacher.
Curated OER
Adding and Subtracting Polynomials
Define, simplify, add, and subtract polynomials. Identify the degrees of a polynomial. Determine if a polynomial is a monomial, a binomial, or a trinomial. Then look at simplifying a polynomial by combining the coefficient values of like...
Curated OER
20 Tickets
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
CK-12 Foundation
Explicit Formulas: Tiles for Writing nth Term in a Sequence
Build an explicit formula using tiles. Pupils develop a tile representation of a term within a sequence given figures of previous terms. Using the diagrams, learners develop the explicit formula by recognizing the common difference and...