Curated OER
Estimating Fractions
In this estimating fractions learning exercise, students solve 20 various problems that include estimation in each. They estimate the sum or difference in each of the problems shown on the sheet. Students calculate each mixed number into...
Curated OER
Quiz 1: Sums
In this sums worksheet, students evaluate sums. They use the limit definition of the definite integral to evaluate a function. This two-page worksheet contains four multi-step problems.
Curated OER
Discussion Sheet 1: Sums, Midpoints
In this sums worksheet, students evaluate sums, estimate total mass, determine left and right endpoints and midpoints of the subdivision. This one-page worksheet contains fifteen problems.
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
Number Crunching
Students are shown 3-5 different types of crunches as well as the correct Fitnessgram curl-ups. They do sets of different types of crunches and count the total number by using multiplication skills. Studnets do multiple sets and count...
Curated OER
Up We Go
First graders examine the use of number lines in problem solving situations in this series of lessons. They participate in activities in which they move forward and backward on number line on the playground before doing paper and pencil...
Curated OER
Addition and Subtraction sums and differences
In this sums and differences worksheet, students are given a one digit number and they have to make up the addition or subtraction problem to make it equal to the number. Students complete 36 problems.
Curated OER
Sums
In this addition worksheet, students write the answer to a simple addition problem in the left column of a graphic organizer; all problems add zero to a number.
Curated OER
Triangle Sums
Fourth graders determine a way to place numbers in the nine circles that are arranged in a triangular pattern so that each side has an equal sum. They use each number once and practice adding single digit numbers.
Wolfram Research
Wolfram Math World: Infinite Series
The site contains information on infinite series. Includes formulas and links to related topics.
Scholastic
Scholastic: Max's Math Adventures: Good Bye Training Wheels!
Take a bike ride with Max and add up the miles he has traveled. Use the teacher's guide, activity sheet, and extra challenges to create an engaging learning experience!
Wolfram Research
Wolfram Math World: Sum
This page gives a complete discussion of the advanced applications of the summation operation in mathematics. Provides information about sigma, or summation notation, a manner of writing sums and how to manipulate them. The site also...
Books in the Classroom
Carol Hurst's Children's Literature Site: Computation and Picture Books
This sample chapter from Hurst's book Picturing Math is an excellent resource for using picture books and activities for learning computation.
Scholastic
Scholastic: Max's Math Adventures: Farmer Fred's Counting Farm
Add and rhyme with Farmer Fred, then use the activity sheet to work through some more farm addition. The teacher's guide and extra challenges will be helpful in lesson planning.
School Express
School Express: Online Addition
Great place to sharpen your addition skills. Start with basic facts and go all the way up to 3 digit addition with regrouping. You select the level of difficulty and the number of problems. You can also check your answer right away.
Scholastic
Scholastic: Max's Math Adventures: Card Castle Addition
Use this site to see how Max and Ruthie built a castle inside Max's room! Teachers will want to look through the extra challenges and the teacher's guide to help with creating engaging lesson plans.
Texas Instruments
Texas Instruments: Estimating With Rational Numbers
In this activity, students will round fractions and mixed numbers, and then use their rounding skills to estimate sums, differences, products, and quotients.
Other
Old Dominion University: Geometric Series
This site explains the geometric series. There is a link to the theory of the geometric theory.
Can Teach
Can Teach: Who Has More or Less?
Want to practice addition and subtraction skills in a new and exciting way? Use this online math lesson card game activity.
Fun Brain
Fun Brain: Tic Tac Toe Squares (Math Facts Games)
Players practice adding, subtracting, multiplying, and dividing skills while playing virtual Tic Tac Toe. They can also try their hand at squares, cubes, and square roots.
National Council of Teachers of Mathematics
Nctm: Illuminations: Deep Sea Duel
This strategy game requires you to select cards with a specified sum before your opponent.
AAA Math
Aaa Math: Adding Numbers
At this lesson, practice adding single digit numbers with this online game. The game keeps a running total of your correct and incorrect answers, and a percent score of the answers you have correct.
AAA Math
Aaa Math: Adding Using Words
At this lesson, try these addition problems that use words instead of numbers. The game keeps a running total of correct and incorrect answers, as well as a percent score of your correct answers.