Pennsylvania Department of Education
Seeing Doubles
Students work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles instructional activity, students make triangle shaped flash cards for the double facts. Students represent...
Curated OER
Pythagorean Theorem
Students solve right triangles using the Pythagorean Theorem. In this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle. Students find the hypotenuse given two...
Curated OER
Place Value
While just a quick review of different ways to write a number, this could be enhanced to provide a richer exploration. Using a couple of examples, the teacher walks learners through the process of identifying and expressing numbers.
Curated OER
Fraction Bead Necklaces
Fifth graders explore fractions of whole numbers as they make fraction bead necklaces.
Curated OER
Playing with Tens and Ones
First graders complete a number of activities that increase their number sense and use of simple operations. They use dice and worksheets to make two-digit numbers and to record them, they count by tens and ones, and order numbers using...
Curated OER
More or Less Than
Students practice completing equations with the less than or more than symbol. They use index cards to create the equations. They compete with other groups to get the most correct.
Curated OER
Place Value Practice (Tenths)
Students practice strategies solving problems with basic facts, framework, domain and early additive part-whole. They recall the compatible numbers to ten, solve problems with small numbers using a part-whole strategy and recall ten and...
Helping with Math
Decimals: Thousandths
Nine fractions and mixed numbers are provided for your class to write as decimals. All have denominators of 1000. Then, nine decimal numbers, all thousandths, are provided for learners to write as fractions or mixed numbers. If you use...
Curated OER
Cube Combinations
Second graders, given 5 number cubes, roll the cubes and record the data.
CK-12 Foundation
Ck 12: Elem Math: Numbers in Expanded Form
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to identify a missing term in a number represented in expanded form. Includes video demonstrating a sample problem [1:18]...
Khan Academy
Khan Academy: Write Whole Numbers in Expanded Form
Practice reading and writing numbers written in expanded form. Example: The expanded form of 376 is 300 + 70 + 6. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Quia
Ixl Learning: Writing Numbers in Expanded Form
Brush up on your math skills relating to writing numbers in expanded form then try some practice problems to test your understanding.
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form I
[Free Registration/Login may be required to access all resource tools.] The interactive PLIX tool allows students to drag and drop base blocks (1, 10, 100) to find the total area of an irregular figure. The video shows an example of a...
AAA Math
Aaa Math: Place Values by Adding: Expanded Form
Students can practice converting whole numbers from expanded form to standard form in a series of self-check exercises and timed learning games.
CK-12 Foundation
Ck 12: Elem Math: Representing Numbers in Expanded Form Ii (Grade 4)
[Free Registration/Login may be required to access all resource tools.] This learning module features an interactive, a video, and a practice quiz in which students identify the ones, tens, or hundreds digit of a value by counting the...
Khan Academy
Khan Academy: Decimals in Expanded Form
Practice converting decimals between standard form and expanded form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Completing Expanded Forms Using Numbers and Words
[Free Registration/Login may be required to access all resource tools.] The video shows how to complete a number in expanded form using place value. The video is followed by practice problems to assess student understanding of the concept.
AAA Math
Aaa Math: Place Values: Expanded Form
This site explains how to write whole numbers in expanded form. It provides games and exercises to practice the skill.
CK-12 Foundation
Ck 12: Elem Math: Expanded Form Involving Words
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must apply their understanding of place value to identify which digit in a number represents thousands, ten thousands, etc....
AAA Math
Aaa Math: Place Value Expanded Form
You'll find an explanation of place value in expanded form in this lesson. There is also an interesting game that helps to show place value.
CK-12 Foundation
Ck 12: Elem Math: Completing Expanded Forms of Numbers (Place Values to 1,000)
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are given the expanded form of a number up to 1,000 and must use their understanding of place value to fill in missing numbers....
PBS
Pbs: Scientific Notation
This animated Math Shorts video from UEN explains the term scientific notation and provides several examples in converting extreme numbers to and from scientific notation. It also demonstrates how to multiply numbers using scientific...
E-learning for Kids
E Learning for Kids: Math: Ice Cream Shop: Four Digit Numbers
On this interactive site students learn to place numbers in ascending and descending order, write 4-digit numbers in expanded notation and discuss place value.
Khan Academy
Khan Academy: Practice: Decimals in Expanded Form Review
Review how to write decimals in expanded form, then attempt some practice problems.