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...

In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.

In this algebra worksheet, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.

Students practice basic addition and subtration facts to twelve and use thinking skills to win at tick tack toe.

In this Algebra I worksheet, 9th graders solve a cryptogram involving addition. The one page worksheet contains one question. Solutions are included.  

Students read, write, and identify different coin combinations and use this information in real-world situations.

Students explore a variety of math concepts. In this integrating technology lesson, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more.  A description of each website is provided.

Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.

Explains how to add two-digit numbers by focusing on each column of digits as you add, rather than the entire numbers.

Students add two-digit numbers with these interactive flashcards. The resource demonstrates how to carry a "1" in the tens or hundreds column.

Learn how to add double-digit numbers in this lesson complete with examples, rules, and vocabulary.

A step-by-step tutorial showing how to add 2-digit numbers in place value columns without regrouping. Includes exercises to try. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000

Simple instruction on how to perform addition of two- and three-digit numbers using columns. View animated examples and follow links to column addition worksheets.

Step-by-step tutorial showing how to add 3-digit numbers in place value columns with and without regrouping. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000