Curated OER
Two-Digit Addition at the Zoo
Your second graders explore two digit addition with regrouping. They will investigate problem solving strategies within the context of a trip to the zoo. Multiple resources and assessments are provided.
Curated OER
Adding Two-digit Numbers Using Dimes and Pennies
First graders study money. In this addition lesson, 1st graders count and add two-digit numbers using dimes and pennies.
Illustrative Mathematics
Ordering 4-digit Numbers
Place value is a concept that sets a foundation for mathematical understanding. Ordering these sets of three- and four-digit numbers will help to strengthen that foundation. A great independent practice worksheet or short assessment to...
Curated OER
Adding Two Digit Numbers with Using Dimes and Pennies
Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Dollar Word
Students review the value of coins prior to adding up values to equal one dollar. Letters of the alphabet are assigned monetary values and students use calculators to add up the value of a word. Students work with a partner to try and...
Curated OER
Adding Three Digits
Second graders use cards to create 3-digit addition problems and add them together. In 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 very...
Curated OER
All Kinds of Numbers
Count and compare numbers and fractions using "greater than" and "less than." Learners count on by 2s and 10s and represent the end number with base ten blocks, counters, and cups. They use circle stickers to illustrate fractions and...
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
Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
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
Roundin' Up the Chariots
Simulate chariots and driver and practice rounding numbers with your class. In teams of three, they race to the finish line where the teachers asks the chariot driver to round a certain number. They take turns being the driver.
Curated OER
Greater Than, Less Than, or Equal To
This resource offers a quick lesson in using the symbols for greater than, less than, and equal to to compare single-digit numbers. However, the practice worksheet included has learners comparing numbers to the 100,000s, as well as...
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
EngageNY
Comparing Methods—Long Division, Again?
Remember long division from fifth grade? Use the same algorithm to divide polynomials. Learners develop a strategy for dividing polynomials using what they remember from dividing whole numbers.
Curated OER
Detective Digis and the Computer Caper
Mathematicians participate in an hands-on activity to investigate the binary number system and write messages in binary code and have classmates decipher the messages. A said video on the topic does not seem to be available, but the...
Primary National Strategy
Ordering and Counting
Are you in need of a 5-day unit intended to teach little learners how to count to 20? This is a well-structured complete set of lessons which employ a variety of methods to instruct learners about various ways to count from 1 to 20. They...
Curated OER
Codebreaker Math
Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...
Curated OER
Where Do I Belong?
Second graders locate three-digit numbers on a number line and explain their placement in this hands-on activity based on their knowledge of numbers and place value. After the initial demo, 2nd graders stand up and get in the correct...
Curated OER
I Am The Greatest
Students work with the place value of given digits. In this place value lesson, students use a deck of number cards to find the greatest number when they draw three cards from the deck. They arrange the the digit from greatest to least.
Curated OER
Race to 50/100
Second graders practice utilizing multiple tens frames and dice to race to fifty or one hundred. They calculate tens and ones to find out how many counters they have on their grid and how many more they need to get to fifty or one...
Curated OER
Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Curated OER
Regrouping
Students practice regrouping using the wonderful manipulative - unifix cubes. Once they have a tactile understanding of regrouping, students complete 5 worksheets containing addition problems that require regrouping. The worksheets...