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Smithsonian Institution
Lexington and Concord: Historical Interpretation
Learners view and analyze three different images related to the Battle of Lexington and Concord. They also answer a variety of questions in a graphic organizer to help keep the information straight.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math instructional activity. Using the coding formula listed, children learn to fluently estimate...
Association for Library Service to Children
Summer Reading List Grades 3-5
Encourage your charges to pick up a book (or two, or three) over the summer! They'll find 25 different ideas on this list of summer reading books for kids. Each book is paired with publication information and a brief synopsis, so your...
Tennessee Technical University
Carousel Brainstorm
A variation of the Walkabout Review process, carousel brainstorming directs groups to rotate through a series of stations posting ideas on the topic or question posted at each stop.
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-adding one digit to two digits
In this addition worksheet, students add one digit numbers to two digit numbers. There are thirty problems to answer. Students can complete this worksheet online and submit the answers.
Curated OER
Decimals With A Total of 10
For this decimal worksheet, students subtract decimal numbers from 10, determine what needs to be added to a given decimal to make 10, decrease numbers by given amounts and determine "how many more" to add.
Curated OER
Adding/Subtracting Integers
In this integer activity, students find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
Curated OER
Subtracting From a Multiple of 10
In this subtraction instructional activity, 2nd graders are instructed how to subtract two digit numbers from multiples of 10 by counting on. There are two pages with 10 problems on each page.
Curated OER
Adding Fractions with Like Denominators
Students add fractions with the same denominators. For this algebra lesson, students solve fractions with common denominators. There are ten practice problems to get better at this skill.
Curated OER
Addition: Getting To Ten Then Adding The Rest
For this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
Curated OER
Connect the Dots
Students practice counting to ten. In this coloring worksheet, students learn about the different types of trucks that transport goods by counting to ten and connecting the dots to complete the picture.
Curated OER
Adding in Our Heads
A good presentation on adding two-digit numbers. Learners are shown how to partition the numbers before trying to add them in their heads. A frog is the featured teacher of the PowerPoint, and he leads viewers through many problems and...
Houghton Mifflin Harcourt
Leveled Problem Solving: Adding and Subtracting Mixed Numbers
Using the six word problems provided, learners practice adding and subtracting mixed numbers. They help Jose, Sasha, Juanita, Stephanie, and Carlos to solve their problems!
Curated OER
Addition Word Problems #2
Expose scholars to the ways addition is constantly used through 15 word problems. Many of these have more than two addends, and several involve money math and adding numbers with decimals to the hundredths place. Learners also must use...
Curated OER
Adding and Subtracting Integers: The Symbols + and -
This worksheet begins with an explanation of how to add and subtract positive and negative integers. Learners solve and complete 20 different problems that include these types of problems. First, they fill in each blank with the correct...
Curated OER
Multiplication and Division - Rules to Help!
Introduce mathematicians to multiplication and division and how they are related. This brightly-colored, bold-font PowerPoint breaks down the concepts for first-timers. A page each is dedicated to multiplying by 0, 1, 2, 4, 5, and 10,...
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Outdoor Learning Center
Outdoor Survival
Which of the following can you survive without for the longest time: water, food, or a positive mental attitude? The answer may surprise you. Guide learners of all ages through games, activities, and discussions about surviving in the...
Curated OER
1 Less or 1 More
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Curated OER
Addition
Each of these addition equations involves two addends that are multiples of 10. Although there isn't any regrouping necessary, some of the sums are three-digit. The first 16 of these 28 equations are vertically oriented and the second 12...
Curated OER
Section 2.1 & 2.2 Solving Equations
This two page worksheet contains 32 problems to solve. There are examples given for each set of problems. The first set is to work on adding or subtracting a term to get the variable by itself. The second set is about dividing both sides...
Houghton Mifflin Harcourt
Addition and Subtraction Facts to 20
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
Curated OER
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...