Curated OER
Bond Energies
Before completing this worksheet, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data tables...
Illustrative Mathematics
Pick Two
Learning to break apart numbers into smaller pairs is a critical step young mathematicians take as they develop their number sense. To practice this skill, children are provided with sets of three numbers and are asked to pick the two...
Novelinks
The Joy Luck Club: Vocabulary Strategy (Magic Squares)
As part of their study of Amy Tan's The Joy Luck Club, readers engage in a magic squares vocabulary activity.
Curated OER
Integers - Objects Model
Sixth and seventh graders solve 19 various types of problems related to integers as objects models. They write an integer that corresponds to each letter on a number line and then, arrange the integers from least to greatest. Pupils also...
Curated OER
Magic Squares for Cyrano de Bergerac Act II
There is some tricky vocabulary in Act II of Cyrano de Bergerac! Front-load these words with this magic squares activity. Sixteen new words are listed, along with their definitions. Kids must match each word to its definition,...
Cornell University
Atomic Bonding
Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...
Curated OER
Not So Snappy 10
In this math worksheet, students look for the answers to each word problem that is focused around the number 10. They use the basic skills of arithmetic.
Curated OER
Solving Multi-Step Equations
For this multi-step equations worksheet, students solve and complete 24 various problems that include solving by using multiple steps. First, they solve each equation, trying to get the variable alone on one side of the equals sign....
Curated OER
Quiz: Calculator Fun
In this calculator fun worksheet, students use a calculator to find the product, quotient, sum and difference of given equations. Afterward, they turn the calculator upside-down to discover a word displayed on the calculator screen. This...
Curated OER
Basic Calculus II: Numerical Integration
In this numerical integration learning exercise, students approximate the value of an integral using the methods taught in the class. They use left-hand Riemann sums, right-hand Riemann sums, the midpoint method and the trapezoidal rule.
Curated OER
Counting On Tens or Ones
In this mathematics worksheet, 1st graders count on tens or ones. They identify how many ones and tens that they are counting for each. Then, students write the sum for each problem.
Curated OER
Christmas Doubles Addition
In this Christmas addition activity, students use models to identify the sum. Pictures of numbers include reindeer, candy canes, stockings, and angels. All addition problems are doubles ranging from doubling one to doubling five. An...
Curated OER
Beginning Addition
Students examine the concept of addition by adding two one-digit numbers whose sum is less than ten. They count and add goldfish crackers together, chorally repeating each problem.
Curated OER
Addition with 9
In this addition with 9 worksheet, 1st graders add the number nine to numbers from 1 to 10. They find the sums to 320 questions on 20 pages.
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Mystery Boxes
In this math worksheet, students solve the problems that use the operation of addition. They fill in the missing addends or sums as needed.
Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include addition and subtraction of these numbers. First, they add or subtract the coefficients of similar terms algebraically. Then, students remove the...
Curated OER
Secret Code Riddles: Addition & Subtraction
In this riddle worksheet, students use mathematics to break a secret code. They solve addition and subtraction problems to discover the answer to given riddles. There are 9 riddles, with an average of seven to nine problems to solve...
Curated OER
Mathematics: One Hundred Plastic Ants
Third graders pick up plastic ants scattered on the floor. They take them back to their desks, count them, and add their totals to those of other students.
Curated OER
Look for Easy Numbers for E-Z Addition
In this mental math worksheet, 2nd graders focus on using multiples of ten to make addition problems easier to solve. They look for numbers that add to 10, 20, 30, or other multiples of 10. They write about how finding the multiples of...
Curated OER
What Must Be Added?- Mental Math
In this mental math activity, 4th graders determine what needs to be added to each number to make the given sum using mental math. They work with multiples of 100 and 1000.
Curated OER
Addition - Three Digit Addends
In this addition worksheet set, students find the sums in 480 horizontal addition problems. They work with three digit addends and some of the problems require regrouping.
Curated OER
Addition Properties
Student study addition properties. In this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
Curated OER
Christmas Picture Addition
In this Christmas addition worksheet, students find the total number of Christmas pictures presented in each equation. Pictures include trees, stockings, reindeer and angels. Numbers range in value from one to six. Seven problems are...