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,...
Willow Tree
Rational vs. Irrational Numbers
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
CK-12 Foundation
Whole Number Addition: Let's Go Fishing!
Practice adding whole numbers by combining the amount of fish Alice and Bob catch. As young mathematicians work through each problem, they are asked to find one more plus the amount of fish already caught. They can manipulate the...
Code.org
Binary Numbers
All you need is a zero and a one. Build pupils' understanding of binary values and number systems to gain familiarity with binary numbers. Using a hands-on activity and technology, scholars learn how the binary system works and its place...
Curated OER
Addition and Subtraction: numbers to 20
Does your school encourage learning math facts or fast facts? If it does you can definitely use this resource. There are 20 lists, each list contains 10 problems, and each problem set focuses on adding and subtracting specific numbers,...
Curated OER
Adding Up
Sail through the land of three addends with this nautical-themed addition learning exercise. Scholars begin by using mental math to add seven sets of three numbers located on sailboats. Next, they apply this concept to eight horizontally...
Curated OER
Composing Numbers
Learners add-on to determine which set of blocks make each of the four given numbers. There are five sets of blocks, they count the two block sets that compose the indicated number when added together.
Curated OER
One More or One Less?
Hook new mathematicians with a candy-themed approach to addition and subtraction. They examine 10 numbers (not exceeding 19) printed on candy wrappers. For each, learners calculate and record numbers with values one more and one...
Curated OER
Measuring Mixed Numbers
Mixed numbers can be added conceptually, algorithmically, and physically. Have the class visualize mixed numbers by adding fraction bars together. They then discover the algorithmic process that simplifies adding mixed numbers. Finally,...
Curated OER
Sets Of
Represent multiplication as sets of items for beginners to this concept. They look at six familiar object sets and determine the total number of legs by counting the sets. There is some scaffolding here, as the first is done for them and...
Curated OER
Adding Animals
Writing equations from images helps young mathematicians grasp addition, especially when they get to look at cute animals as they do it. There are six number sentences here, each illustrated with a set of animals corresponding to...
Curated OER
Fraction X--Adding Unlike Denominators
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
Math Drills
Adding and Subtracting Mixed Fractions (B)
Grab your stopwatch...ready, set, go! Time youngsters as they solve the addition and subtraction of mixed fractions. There are 12 problems provided, all of which have common denominators. An excellent practice!
Curated OER
Position Within a Set
Your students will have no problem relating to this word problem involving a toy car race: there are three cars, and they come in first, second, and third place in a race down the driveway. Learners analyze the data by writing the...
Curated OER
Adding 1 Timed Tests
On your mark, get set, GO! Get your young mathematicians excited about simple addition in these two timed tests, each with twenty-one problems. There is a recommended ninety-second goal; however, it can be adjusted for your students'...
Virginia Department of Education
Adding and Subtracting Fractions
Your learners will enjoy playing a game as a motivator to learning and remembering the adding and subtracting of fractions.
CK-12 Foundation
Mixed Numbers as Improper Fractions: Pineapple Slices
Practice adding and subtracting improper fractions with pineapple slices. Young mathematicians move whole pineapple slices to visualize the addition of the 2/5s that is on Sally's plate. Pupils also use a combination of mixed numbers and...
CK-12 Foundation
Decimal Addition: Adding Little Pieces
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
EngageNY
Even and Odd Numbers
Even or not, here I come. Groups investigate the parity of products and sums of whole numbers in the 17th lesson in a series of 21. Using dots to represent numbers, they develop a pattern for the products of two even numbers; two odd...
CK-12 Foundation
Values Written as Powers: Binary Numbers 1 to 8
A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...
Illustrative Mathematics
Teen Go Fish
Kindergartners play the classic game Go Fish as they practice identifying numbers in the teens. A fun and engaging activity that develops number recognition skills in young learners. As added support, provide cards that include both the...
Inspired By Kindergarten
Numbers 1-10
Preschoolers and kindergartners can master numbers 1-10 with a set of math worksheets. Each page features one number that kids trace, represent with tally marks, and write what number they will have after adding or subtracting 1.
CK-12 Foundation
Sums of Mixed Numbers: Split the Addition
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.
Northern Arizona University
Adding and Subtracting Fractions
Pattern blocks and shapes demonstrate how to add and subtract fractions. By aligning blocks with different shapes, learners figure out how to create a whole, and then how to add and delete parts from that whole.