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.

Students explore what a proof is, how and why mathematicians create them and compose essays on how reason and logic are employed in the workplace. They explore whether any three lines can make a triangle and attempt to verify Goldbach's...

In this addition activity, students add three digit numbers to three digit numbers. All equations are written in columns. None of the combination of numbers are greater than 10, therefore, there is no "carrying" in this activity. ...

In this math worksheet, 3rd graders focus on two digit addition. Students complete twenty-five problems with no regrouping.

In this TAKS math quiz worksheet, students take an online quiz focused on adding more than 2 numbers. Quiz may be graded online by clicking a link.

In this TAKS math quiz worksheet, students complete a 10-questions online quiz focused on adding more than 2 numbers. Test may be graded by clicking a link; page has additional links to resources.

Students explore all types of numbers. In this factors, perfect numbers, abundant numbers, and defective numbers lesson students investigate the attributes of certain types of numbers and complete an activity sheet.

in this missing numbers instructional activity, students complete a total of 12 problems, supplying missing numbers necessary to arrive at given answers, then complete 3 additional related problems. 

In this addition practice worksheet, students practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.

In this addition practice worksheet, learners practice their computation skills as they solve 25 problems that require them to add 2-digit numbers. Each problem has 3 addends.

In this addition and subtraction activity, students add and subtract whole hundred numbers. Students complete 5 problems on this activity.

In this addition practice puzzle worksheet, students practice their addition skills as they try to fill the missing numbers in the puzzle in so that the numbers in the rows and columns equal the totals indicated using integers between 2...

In this subtraction worksheet, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.

For this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.

In this addition with picture clues worksheet, students solve 4 problems in which numbers below 5 are added and the correct answer circled from 3 choices. The second page has teacher tips.

In this addition worksheet, students add absolute value of numbers, positive and negative, in a set of 10 problems. Answers are included on page 2.

By solving word problems related to the planets, 4th graders practice multiplying numbers with several digits. Using this worksheet to solve problems involving 2 and 3-digit multiplication, students practice this skill. This worksheet is...

In this addition word problems learning exercise, students line up the two digit numbers to add the numbers and solve the six word problems.

In this absolute value of numbers addition worksheet, students complete a total of 9 addition problems. Answers are included on page 2.

In this addition learning exercise, students complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line

In this mixed math skills review worksheet, students solve 10 math problems that require them to multiply and add whole numbers and decimal numbers.

In this addition worksheet, students complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line.

In this addition learning exercise, 3rd graders complete 30 problems in which they add a single digit number to a two digit number using regrouping as needed. They enter their answers in the boxes and submit them on-line

In this column addition instructional activity, students complete a set of 12 problems, adding four and five-digit numbers. A reference website is given for additional activities.