Curated OER
Adding and Subtracting Decimals
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
Curated OER
Add Three Numbers - Leveled Problem Solving
There are many ways to add. Learners add 3 single digit number together to find an answer to each of the 6 word problems. A great worksheet that builds problem solving and basic addition skills.
Curated OER
Identify Coins
Kill two birds with one stone (as they say). Your class can practice problem solving skills, basic addition and subtraction, as well as work on coin values. This learning exercise includes six money related word problems to solve.
Curated OER
Basic Mapping Skills
Establish and study the parts of a map with your class and, then they will work in small groups to create their own detailed map, including a legend. There are specific instructions to follow on what needs to be included.
Curated OER
Math Handbook: Calculus
If only there was a reference that listed all the formulas covered in calculus. Luckily, there is. This comprehensive 197-page handbook provides formulas and explanations for all topics in AP Calculus or in a standard college calculus...
CK-12 Foundation
Linear Systems with Addition and Subtraction: Fill in the Boxes 1
Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...
CK-12 Foundation
Linear Systems with Addition and Subtraction: XYZ Tiles
Cover it up to reveal the values of variables. Using arrangements of colored tiles representing algebraic expressions, pupils layer them over each other to determine the values of variables. The procedure models the elimination method in...
CK-12 Foundation
Linear Systems with Addition and Subtraction: Fill in the Boxes 2
Systematically combine shapes to arrive at one solution. The resource models a system of linear equations using colored shapes. Pupils follow rules to combine circles and squares to add the two equations together, resulting in one...
CK-12 Foundation
Additive and Multiplicative Rules for Probability: Red Dress? Blue Dress? Both!
The sum of the parts is greater than the whole. An interactive uses a Venn-like model to show the percentage of females from a survey that have a blue dress, a red dress, or both. The pupils determine the numbers in each category...
CK-12 Foundation
Properties of Real Number Addition: The Secret of Subtraction
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
CK-12 Foundation
Simplify Variable Expressions Involving Integer Addition
Ensure your classes aren't drowning in expressions. An interactive simulation has scholars change the depth of a fish based on the coefficient of terms. As they add the terms together, the fish bobs up and down until reaching the answer.
CK-12 Foundation
Simplify Sums or Differences of Single Variable Expressions: Addition and Subtraction of Like Terms
Investigate the process of combining like terms using an interactive animation. Scholars tackle simplifying expressions by manipulating rectangles that represent the terms. They add and subtract terms to arrive at the result.
Willow Tree
Order of Operations
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include...
Curated OER
Addition and Subtraction Word Problems
Approach word problems using these straightforward addition and subtraction practice scenarios. Learners choose answers from a list, recording the corresponding letter next to each problem. Ten questions involve basic addition and...
Curated OER
Math Wars!
Students name numbers from 1-10, complete basic addition, or basic multiplication based on their grade. In this math card game instructional activity, students use a deck of cards to improve their math skills based on their grade.
Curated OER
Transportation Math
Learners use mathematical operations to examine truck drivers and the math they use everyday. In this transportation math instructional activity, students read word problems that relate to transportation and the math needed to solve the...
Curated OER
Christmas Addition
In this addition facts worksheet, students solve 48 basic addition problems. Christmas pictures are included to create a fun theme.
Curated OER
Math Facts Race
Learners reinforce math-facts knowledge and understanding, contribute to a team effort and carefully observe the actions of all team members by playing a game to practice addition, subtraction, or multiplication facts.
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Simple Mixed Addition and Subtraction Version 1
In this addition and subtraction learning exercise, students solve 40 problems in which single digits are added or subtracted. These are basic facts.
Curated OER
Pot of Gold Addition
In this money math learning exercise, 2nd graders solve each addition problem and write the sum on the pot of gold pictured for each. They add money together to get their total amount for each problem.
Curated OER
Math Trail Maker
In this math trail make instructional activity, students combine like operators to solve longhand basic math problems in order to solve the 4 math puzzles.
Curated OER
In Addition / Additionally / Plus / Moreover / Furthermore / …as well
In this writing transitions worksheet, students practice using transitions as they write 7 sentences using in addition, additionally, plus, moreover, furthermore, and as well.
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Mental Tests: Basic Operations
In this mental math worksheet, students answer problems using the four operations: addition, subtraction, multiplication & division. Problems are grouped in ten for a quick review.