Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.

Fractions can be tricky, and there is no better way to tackle tricky topics than with a visual representation. Intended for learners in grades two and three, this set of printable worksheets provides a variety of fractions represented in...

In this everyday math skills pretest, students answer ten multiple choice questions based on their knowledge of everyday math skills such as estimation, addition, and measurement.

In this mental arithmetic worksheet, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting. 

In this cards game, students play a card game in three rounds.  In the first round, the student's objective is to gather the largest sum of cards.  For round two, students try to gather cards to equal a sum of 50.  In the...

In this addition worksheet, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.

In this addition instructional activity, students complete a total of 35 problems, all answers to problems total 19 or less. Worksheet included links to answers and additional worksheets.

In this addition worksheet, students complete a total of 30 problems, all answers to problems total 18 or less. Worksheet included links to answers and additional worksheets.

In this mixed operations worksheet, students complete addition problems, subtraction problems, and write numbers that come before and after 2 digit numbers. Students complete 10 problems.

High schoolers investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.

Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography lesson, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their ciphers...

Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...

Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...

Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.

Students must use their mathematical reasoning skills in order to make four math statements true by filling in the boxes with the correct digits. Addition, subtraction, multiplication, and algebra problems are solved.

In this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.

In this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...

Students describe stellar objects using terms such as stars, planets, satellites, orbits and light. In this sun and stars unit, students research stellar objects through seven individual lessons discovering star characteristics, how...

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.

In this secondary mathematics worksheet, students investigate a riddle involving the use of the dictionary and subtraction of three digit numbers.  The one page worksheet contains one problems with an explanation of why the trick...

In this Care Homework worksheet, students solve a variety of multiple digit addition, subtraction, multiplication, and division problems that include fractions, decimals, and percentages. They demonstrate knowledge of geometric formulas...

In this multiple operations math activity, students use their math skills to solve 30 problems by filling in missing digits. Students should pay close attention to operation signs as there are addition, subtraction, multiplication, and...

In this missing numbers instructional activity, students fill in missing digits in addition, subtraction and multiplication problems. Answers included on page 2.

In this missing numbers worksheet, students fill in missing digits in addition, subtraction and multiplication problems. Answers included on page 2.