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...

In this column addition problem, learners add two-digit numbers with and without regrouping. Students complete 12 addition problems.

In this column addition activity, students add two-digit numbers with regrouping. Students complete 12-column addition problems.

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...

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.

Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...

First graders study money. In this addition lesson, 1st graders count and add two-digit numbers using dimes and pennies.

Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...

Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.

In this addition learning exercise, students add two digit numbers with and without regrouping. Students complete 30 two digit addition problems.

Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...

Second graders practice two-digit addition with regrouping. For this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.

Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...

Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.

A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...

For this addition worksheet, students add one and two digit numbers together and then play bingo in the squares they are in. Students complete 20 problems.

Elementary schoolers add four-digit numbers together with regrouping. Students complete 15 column addition problems.

Students solve 30 two-digit addition problems printed horizontally, with the reminder to add in their heads, starting with the bigger number first.

Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.

Third graders multiply one and two digit problems, identify place value, and maneuver manipulatives to solve problems.

Second graders add two digit numbers with manipulatives. In this addition lesson plan, 2nd graders are given blocks to add numbers together.

Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...

Students review the value of coins prior to adding up values to equal one dollar. Letters of the alphabet are assigned monetary values and students use calculators to add up the value of a word. Students work with a partner to try and...