Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
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
Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
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
The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction instructional activity, students make a chart of items sold in the school store. Students then work in teams...
Resources for Educators
Math & Science Connection
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series of 11 fun activities...
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your young scholars identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the...
NTTI
Putting Together Ten
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries to...
Curated OER
Musical Math
Students play a game of mathematical musical chairs, moving from desk to desk solving addition and subtraction problems.
Curated OER
Subtraction Matching
Second graders solve several simple subtraction problems to find out their level of understanding. They then play a game that is like the memory game instead of finding two identical cards, they match a math problem to its answer.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
Curated OER
Jump Rope Math
Students practice grade level math skills. For this math lesson, students solve math facts on index cards and collaboratively arrange them in numerical order on a jump rope. Correct order earns the team a chance to physically move...
Curated OER
Equal Shmequal by Virginia Kroll
Students read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson, students brainstorm the meaning of equals and read a story about the topic. Students use manipulatives to study balance and...
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
A Borrower And A Lender Be
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
Curated OER
Dinosaur Math
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems. In this dinosaur math lesson, students write a math story to go with the dinosaur story. Students discuss the needed strategies. Students complete a...
Curated OER
Regrouping Ten Ones for One Ten
Students explore regrouping. In this hands-on math place value lesson, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.
Curriculum Corner
Academic Math Vocabulary
The ABCs of math are so important. Find commonly used math terms in a 42-page packet. Each page has the word, a place to write the definition, and a place to give specific examples of the term. A must-have for all math classrooms!
Curated OER
Chart Trivia
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
Ten Sly Piranhas: A Counting Story in Reverse
Learners solve related addition and subtraction problems. In this addition and subtraction lesson, students use the book Ten Sly Piranhas by William Wise as the source of word problems for learners to solve.
Curated OER
Number Stories
Learners write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...