Second graders practice subtracting numbers by using a visual aide.  In this number sense instructional activity, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the...

In this subtraction worksheet, 2nd graders practice subtracting two-digit numbers by crossing out and regrouping. Students complete 4 subtraction math problems.

Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.

In this penny counting worksheet, students solve 4 story problems in which three digit numbers are added or subtracted. All problems pertain to pennies; there will be regrouping.

Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...

Second graders study the concept of place value with hundreds, tens, and ones. In the place value lesson, 2nd graders demonstrate their prior knowledge of place value with tens and ones. Students are then introduced to place value with...

Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...

Students play a place value game using popsicle sticks and dice. They investigate units and tens.

In this Christmas problem solving activity, learners solve 7 mathematical problems by first doing the work in parentheses and then solving each problem.

Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.

In this addition learning exercise, 2nd graders solve 11 three double-digit number addition math problems by lining up the numbers by tens and ones.

Second graders use hula hoops to represent the zero as they count objects into ones, tens, hundreds and thousands. They complete an activity to after they have practiced counting objects.

Students pretend as if they have just won a $100 gift certificate to buy some toys and must try to spend as much of it as they can without going over.

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.

In this lesson on subtraction, learners will use the break apart strategy, draw a model, or the standard algorithm to subtract 3-digit numbers.

In this lesson on subtraction, young scholars will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.

Using base ten blocks and place value, 2nd graders explore how to become more fluent in adding and subtracting two-digit numbers without regrouping.

In this lesson on addition within 100, students will learn how to compose numbers and will explore strategies to add double-digit numbers such as vertical addition, regrouping, using multiples of 10, and labeling an open number line.