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Curated OER
Relating Addition and Subtraction
In this number sentence worksheet, 3rd graders write a related addition or subtraction sentence for 13 math problems. Students answer 2 word problems and 2 multiple choice answer math problems relating to number sentences.
Curated OER
Fraction X - Adding Unlike Denominators
Adding fractions with unlike denominators is a difficult process to master. This fine presentation does a terrific job of leading young math whizzes through the steps necessary to perform this calculation. The slides have clear graphics,...
Curated OER
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.
Houghton Mifflin Harcourt
Ten More, Ten Less
Six story problems needing answers await your class. Pictures provide some scaffolding, but consider also using unit cubes and 10-rods to compose and solve equations for each. Some of the problems require a two-step processes to solve. A...
Curated OER
Traveler: Webelos Activity Workbook
This three-page worksheet is designed to be used by the Weblos of Boy Scouts of America. They are given 13 choices of academic activities that involve the use of maps, geography, math, and money. They must complete five of the activities...
Curated OER
Rational Numbers
In this rational numbers worksheet, 9th graders solve and complete 16 different problems that include adding and subtracting various rational numbers. First, they determine the sum or difference for each equation. Then, students evaluate...
Curated OER
Study Buddies: Counting Back Tens and Ones
For this math worksheet, students will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.
Curated OER
Arithmetic with Positive and Negative Numbers
In this arithmetic with positive and negative numbers worksheet, learners 5 multi-step problems. Students find the sum of positive and negative integers. Learners practive multiplying and dividing positive and negative...
Curated OER
3-Digit Subtraction and Addition
In this 3-digit subtraction and addition worksheet, students problem solve with regrouping. In this fill in the blank worksheet, students answer sixteen problems.
Curated OER
Mountain Math Worksheet
In this number sense worksheet, 5th graders solve 37 problems based on a given number. Students are asked to round the number, identify the number as even or odd and add 100 to the number.
Curated OER
Money and Time
In this money and time instructional activity, students read money problems and determine the total cost and the amount of change to be given to a customer. They add moments of time and determine the correct amount of hourly pay earned....
Math Mammoth
Finding the Area of Rectangles, Parallelograms, and Triangles
For this area of polygons activity, 9th graders solve two area of rectangles, one area of parallelogram, and ten area of triangles problems. The formulas for finding the area of these figures are provided.
Curated OER
Download and Analyze
Students download information from a NASA website into a database. They transfer it to a spreadsheet by completing the information and analyze the information. They determine temperature averages, mode, and graph the results. They write...
Curated OER
Expressions With Addition and Subtraction
In this algebraic expressions worksheet, 4th graders study, analyze and evaluate 6 different expressions involving n-32, n=77 and the expression 575 + n for 2 values of n.
Curated OER
Integers and Order of Operations
In this algebra worksheet, 9th graders solve addition, subtraction and multiplication of integers using the correct order of operation. There are 14 questions with an answer key.
Curated OER
Multiplying Decimals and Mixed Numbers
Students practice multiplying decimals and/or mixed numbers, explore the effects of multiplying decimals and mixed numbers, and practice predicting the effects of multiplying a number by a decimal or mixed number.
Curated OER
Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Scholastic
Problem-Soving Strategies, Practice 1: Sample
A variety of word problems help your learners examine the ways that they find solutions. Each question provides opportunities to add, subtract, and multiply time, measurements, and money.
West Contra Costa Unified School District
Connecting Fractions and Rational Expressions
Teach class members to work with rational expressions using their knowledge of fractions. The lesson plan starts with a warm-up of rational expressions at four different levels of complexity. The different levels continue throughout...
EngageNY
The Structure of Rational Expressions
Find out when rational expressions are closed. Pupils review adding, subtracting, multiplying, and dividing with rational numbers to make the connections to operations with rational expressions. Using specific examples, learners notice...
Math Mammoth
Three Denominators
For this common denominator learning exercise, students learn to add three fractions using common denominators. Students then practice by adding and subtracting fractions using common denominators.
Curated OER
The Big Buck Adventure
Students practice making change, and adding and subtracting money. For this money lesson, students listen to a reading of The Big Buck Adventure by Shelley Gil. They access teacher assigned web sites to practice making change, adding...
Curated OER
Square Roots and Exponents
Eleventh graders solve problems with roots and exponents. In this algebra lesson, 11th graders use the properties of powers to help them multiply, add, subtract and divide exponential functions. They take the square root of rational and...
DK Publishing
Tricky Word Problems - Choosing the Operation
Decipher the equations in these addition and subtraction word problems. Two examples at the top of the page guide second graders as they solve the rest of the problems. There is no space to write out the equation, but there is a place to...