Curated OER
Add Hundreds
Learners use the basic facts in 6 word problems to help them add hundreds. They use base ten blocks to model and assist them with their addition.
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Curated OER
Understanding Place Value: Base Ten Models
As an overview of place value involving numbers in the hundreds, this resource would be incredibly beneficial. There are only a few examples, but the graphics make this concept come alive. In a lower grade classroom, this presentation...
Curated OER
Addition Facts With Sums to 18
Students explore addition facts with sums to 18. Using Unifix cubes, students demonstrate addition sentences. They use a variety of manipulatives to illustrate addition facts for different sums. Students participate in a flash card game...
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Concrete Block Estimation
Students estimate the material needs for a concrete block foundation of a given size, with a given number of openings.
Curated OER
Writer's Block: Key Questions To Ask Before Composing
Students engage in a lesson that presents strategies to overcome the hurdles that discourage writers under pressure. They develop a paragraph of narrative text in response to a quote, motto or poem.
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.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
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
Primary Understanding and Use of Place Value
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Curated OER
Mental Math Blocks 3
In this math worksheet, young scholars solve eleven math problems. These include finding the missing digits of an addition problem and solving a word problem about picking up pieces of trash.
Curated OER
Ten More and Ten Less
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing numbers,...
Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
Curated OER
Let's Trade
Second graders engage in a instructional activity which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
Vocabulary Reading Test Lesson 1
In this vocabulary assessment worksheet, students use the word bank, listen to definition clues to determine which words to write, and create sentences using the words in context. Students complete 36 activities.
Curated OER
MathKeys Software "Unlocking Whole Numbers, Vol 2 (Rolling the Highest Number)"
Third graders arrange four numbers in order to make the highest number possible. In this place value lesson plan, 3rd graders practice working with four digit numbers on the computer and with base ten blocks.
Curated OER
Numbers Through 1000
In this numbers through 1000 practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to use number models to add and subtract.
Curated OER
Map Maker Map Maker
Students create their own maps. In this map making lesson, students go to Microsoft Word and create a chart. They label directions, buildings, streets, and distance.
Curated OER
Birthday Cakes
Students use basic multiplication and division facts to find simple fractions of an amount. Independently they complete a worksheet of birthday cake problems, solving the fraction problems by drawing a picture to illustrate each cake...
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Place Value
First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...
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Place Value Lessons
Students can learn about place value using interesting lessons, activities, and games.
Curated OER
Two-Digit Addition With Regrouping
Second graders practice two-digit addition with regrouping. In this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Curated OER
Addition Chart Exercise
In this addition practice worksheet, students use their math skills to solve 100 problems that require them to add 1 digit numbers to 1 digit numbers.
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.