Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Curated OER
Lesson Design Protocol: Add and Subtract
Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
Subtracting With the Hundreds Place And Regrouping
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Addition of 2 Digit Plus 1 Digit (No Regrouping)
Students review adding without regrouping the numbers. They are divided into groups and have to write the answer to the problem given on their papers.
College of William and Mary
Decimal Operations Using Base 10 Blocks
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
Curated OER
Children's Literature: math calculations
Learners read the book Sam I Am and complete math calculations on the prices of ingredients that Sam did not want to eat. In this math calculations lesson plan, students list the items Sam would not eat into a computer program and...
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.
Fraction Bars
Subtraction of Decimals
Here is a fabulous lesson on subtracting decimals with different numbers of decimal places. There are teacher-led activities for learners to engage in, including, modeling decimal subtraction through decimal squares, looking at place...
Curated OER
Comparing Values: Comparisons Between Musical Notation and Money
Students identify ways in which the principles and subject matter of other disciplines taught in school, specifically math, are interrelated with those of music.
Curated OER
Subtraction Rhyme
Students study a rhyme for subtracting with regrouping from 10's to 1's.
Curated OER
Calculating Elapsed Time
Learners calculate elapsed time in a series of activities. In this calculating time lesson plan, students view a Cyberchase video that demonstrates how to calculate elapsed time. Activities include counting, subtracting and regrouping in...
Curated OER
One Hundred Things
Learners practice estimating by handling items in groups of ten. They visualize how much space 100 items, such as pennies, peas, or beans, will take up after holding 10 of them. Students measure the difference in volume between 10 and...
Curated OER
Regrouping With Remediation
Fourth graders complete multiplication, addition, and subtraction problems that all contain regrouping. In this regrouping lesson plan, 4th graders complete worksheets not provided.
Curated OER
Multiplication Magic
Investigate multiplication problem solving strategies by working with base 10 blocks. Learners decompose problems with a Merlin the Magician theme. Multiple resources are provided.
Curated OER
I'll Have an Order of Subtraction Please!
Learners explore number values by completing consumer math worksheets. In this math functions lesson, students identify the use of a decimal in numbers and the place values that are represented when dealing with money. Learners complete...
Curated OER
Batchelder Bubble Gum Factory: Place Value Unit
Students explore grouping. In this math lesson, students brainstorm ways to efficiently count the items in their pile and discuss the methods used. Students use a place value chart and practice regrouping ones to tens.
Curated OER
Hugs and Tallies
Students act out the creation of five tally marks. In this tally mark lesson, students act out how to make tally marks. Four students stand very close together and a fifth student gives them a group hug creating five tally marks.
Curated OER
Subtraction of Mixed Numbers
Students subtract mixed numbers that require regrouping and have a difference less than fifty.
Curated OER
Less is More: Subtraction in Action
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to...
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Curated OER
How to Calculate Time
Students complete a worksheet. In this calculations lesson, students learn factual information about computing time with clocks, calendars and eras. Students show their knowledge by completing a worksheet.
Curated OER
Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.