Mental math addition is the focus of this worksheet. Learners apply a strategy outlined in the worksheet to find the sums. For this worksheet, students find the answers for twenty problems. Answers appear at the end.

In this adding practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to add three 2-digit numbers.

Some times a simple lesson is all you need. Here are 2 worksheets that can be used as a lesson on problem solving, addition, and partner work. The first worksheet has learners use a tens and ones charts to practice adding simple...

An outstanding PowerPoint presentation on two-digit addition with regrouping awaits your class. The slides present the steps necessary in extremely clear fashion. There are two "internet games" embedded in the final slide that lead to...

Learners solve a multiplication problem in which they must multiply two 2-digit numbers with the help of a "Coach". Pupils follow a step-by step process and notes are provided for the coach.

Young mathematicians spin their way to a deeper number sense with this fun, collaborative activity. Using two spinners, one with the numbers 0-9 and the other with the decades 00-90, pairs of students take turns building and comparing...

Okay, so your scholars are excelling at two-addend addition problems, but what about three or four? Here are some practice problems to stretch their math skills. They find the sums of six equations: two with two addends, two with three...

The class practices adding two, three, and four two-digit numbers. They add the number sentences on the left, then draw a line to the correct answer on the right. 

If we add two more, how many does it make? Before youngsters start with addition, give them this clearly worded exercise to help them grasp the concept. Kindergartners focus on the term more as they examine...

Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day instructional activity series begins with learners using ten-frames and hundreds charts to recognize patterns...

Learners explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Learners use addition to break a code.

Learners add one and two digit numbers together with the help of a number line. There are 18 problems to complete.

In this addition worksheet, students are shown how to add two 3 digit numbers in your head mentally. There are 18 problems for the students to try to work in their head.

Walter the frog tells the class to use their number bonds (fact families) to help them add single digit to double-digit numbers. With the guidance of a number line they will count on as Walter hops to the answer.

Show scholars that if they can add two multi-digit numbers, they can add four! They complete 20 practice problems adding three and four-digit numbers. All the equations have four addends and include units. All numbers are whole numbers....

Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...

Looking for practice problems to keep your math experts in top shape? Here are 10 problems in both addition and subtraction, all involving only double-digit numbers. Some of these involve borrowing and regrouping, so be sure your kids...

The focus of this lesson is practice. Included are 14 worksheets each containing 10 simple single digit problems, where 3 digits are added together to find a sum. Problems are presented in both horizontal and vertical fashion. Note: This...

This online worksheet provides 30 practice problems in which learners add single- and double-digit numbers. The sums require regrouping, so even though the interactivity is catchy, no accommodation is made for the fact that learners...

In this column addition activity, students add two- and three-digit numbers together without regrouping. They complete 15 addition problems.

In this addition practice instructional activity, 2nd graders add two and three digit numbers to solve twenty-five problems. Answers are included on the second page of this file.

By offering a step-by-step explanation of how to identify prime numbers, this presentation would be a terrific way to give learners a visual example of prime numbers. This is a simple, and easy way, for students to understand the "why"...

Learners complete two double-digit problems, one addition and the other subtraction. They also determine the missing addend in two additional problems. An explanation as to how to solve both problems is included. 

Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...