EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
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
Grade 3: Palindrome Patterns
Third graders use addition to create numbers that are palindromes and organize their results to look for patterns. They make generalizations from patterns and practice reading large numbers and addition with regrouping.
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition instructional activity, 2nd graders learn to add and subtract three-digit numbers with...
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
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
Adding Three Digits
Second graders use cards to create 3-digit addition problems and add them together. For this addition lesson plan, 2nd graders add numbers with and without regrouping. Students use a deck of cards to play an addition game in pairs. A...
Curated OER
Subtracting with Regrouping
Second graders explore math functions by completing a worksheet in class. In this subtraction lesson, 2nd graders identify the techniques used to assist in subtracting multi-digit numbers. Students complete a subtraction worksheet and...
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
Money Makes the Fair-Go-Round
Students explore the value of money. In this money lesson, students investigating combining amounts of money and making change. Students count sets of money and make fair trades. Resources are provided.
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
Junk Yard Math
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the lesson.
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
The Weight of Primates
Second graders practice their problem solving skills. In this addition and subtraction skills lesson, 2nd graders solve word problems that require them to find differences and sums. This lesson features the use of a video titled "Blossom...
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
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson plan, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
Curated OER
Let's Trade
Second graders engage in a lesson 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
Market Prices
Second graders understand that prices change. In this business, price and labor lesson, 2nd graders define the words market and price. Students read Arthur's Funny Money and answer questions related to earning and spending money....
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
Mystery Number
Young scholars explore numbers 1-100. In this cross curriculum literacy and numeration lesson, students listen to the book More or Less by Stuart J. Murphy. Young scholars play a game with a partner in which they guess the "mystery...
Curated OER
Tear + Net = Gross
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of gross,...
Curated OER
Subtraction of Mixed Numbers
Students subtract mixed numbers that require regrouping and have a difference less than fifty.