Curated OER
Add Totals from Ten to Eighteen
In this finding the sums worksheet, students add two colored shapes, write the numerical equation, and solve. Students solve 6 problems.
Curated OER
Add Two Digit Numbers Horizontally
In this finding the sums worksheet, students add two-digit plus two-digit horizontal numbers with and without regrouping. Students solve 16 problems.
Curated OER
Arrange and Add
In this finding the sums worksheet, students rearrange the horizontal row of numbers from greatest to least and add. Students solve five problems.
Curated OER
Add the Fractions
In this finding the sums of fractions learning exercise, students add one-digit fractions with uncommon denominators. Students solve five problems.
Scholastic
Study Jams! Add & Subtract Mixed Numbers
Adding and subtracting mixed numbers need the same attention that regular fractions do by finding a common denominator. If you plan to use a vertical line-up of the fractions then this video is for you. It just introduces this method, it...
SEN Teacher
Arithmetic Maker
With endless possibilities, you can create custom flashcards to take to class as easy as 1, 2, 3! Let this flashcard creator do the work for you, just chose the level of difficulty, add or subtract, and the number of place values. Each...
Curated OER
Add and Subtract Fractions with Like Denominators: 2 (Word Problems)
For this fraction instructional activity, fourth and fifth graders solve six word problems, all having to do with adding or subtracting fractions with like denominators. This instructional activity can be adapted to the Common Core...
Curated OER
Add Single Digits
Ever hear 4+4 is 8, 8+8 is 16? Well, that is called building automaticity and its a must have skill that follows kids throughout their entire career. This set of 20 worksheets each contains a set of addition problems that are intended to...
Curated OER
Make it Easier-- Add, then Take
In this math worksheet, students learn a mental math strategy in addition called compensation. When adding a number such as 29, students learn to add 30, then take 1 away. Students solve 25 problems in which they round to the nearest...
Curated OER
Add Mixed Numbers with Like Denominators (J)
In this mixed number addition activity, learners add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
Curated OER
Add and Subtract with Unlike Denominators
In this adding and subtracting with unlike denominators worksheet, learners add and subtract fractions with unlike denominators. They complete six problems.
Curated OER
Campaign Ads That Subtract and Add
Students explore media and media misrepresentation of prodcts. They create a video of a person (with both good and bad pictures.) Using creative titles, students download a slideshow. They add sound effects and other Adobe Premiere...
Curated OER
Mentally Add and Subtract 10 or 100
Find the missing digits in these number sequences. Each of the ten has one missing number and scholars must figure out what it is. Here's the pattern: all of these sequences involve counting by 10s. Learners add or subtract 10 to...
Curated OER
Mentally Add and Subtract 10 or 100
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
EngageNY
Recursive Challenge Problem—The Double and Add 5 Game
Math is all fun and games! Use a game strategy to introduce the concept of sequences and their recursive formulas. The activity emphasizes notation and vocabulary.
EngageNY
Recursive Challenge Problem—The Double and Add 5 Game
As a continuation of a previous lesson, this activity builds on the concept of calculating the terms of a sequence. Pupils are challenged to determine the smallest starting term to reach a set number by a set number of rounds. Notation...
K12 Reader
Order of Adjectives: Add Another
Some nouns need more than one adjective to adequately describe them. Using a reference poster that puts twelve categories of adjectives in order, class members fill in the blanks to complete eight sentences.
K12 Reader
Adjectives Add Interest
A world without adjectives would be a sad place indeed! Make sure adjectives stay around by teaching your class about what they are and how using them can make a boring story truly interesting. Learners put this idea into practice by...
K12 Reader
Christmas Tree Add an Adjective
The star on the top of a Christmas tree can be beautiful, or it can be gold, or it can be shiny—or, in fact, it can be all three! A picture of a decorated Christmas tree encourages pupils to choose from a list of 18 adjectives to...
Math Mammoth
Add & Subtract Integers Fact Sheet
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to...
Concord Consortium
What Is Pressure?
Balloons bring great fun to the classroom, until they break. What's a teacher to do then? Break out the balloon of the computer age with a fun interactive! Science scholars add and remove atoms from their virtual balloons and observe...
PBS
Breaking Point
Leaf toughness can add to its herbivore appeal. Learns design an experiment to quantify leaf toughness and then perform their procedures. They follow the experiment with a set of questions that ask them to think about how leaf toughness...
Curated OER
Add a Little Art to Your Math
Origami presents a beautiful way to express and test geometric and algebraic concepts.
Curated OER
Odd Or Even Sums
Build strong number sense through pattern recognition. Learners investigate whether the sum of each problem will be odd or even if they add certain combinations of numbers together. They complete 12 problems, adding odd+odd, odd+even, or...
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