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...

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...

In this addition instructional activity, learners solve 36 problems in which two digit numbers are added, with and without regrouping. This is an online interactive instructional activity.

An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions. 

In this addition and subtraction worksheet, students solve the double digit math problems using addition or subtraction. Students solve 14 problems.

In this addition and subtraction worksheet, students solve the double digit addition or subtraction problems. Students solve 14 problems.

In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 1 and 2 digit numbers. Students may submit their answers to be scored.

In this online interactive math skills activity, learners solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.

In this online interactive math skills instructional activity, learners solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.

In this addition and subtraction activity, students answer multiple choice questions where they solve word problems using 2 and 3 digit numbers. Students complete 10 questions total.

In this addition and subtraction practice activity, students sharpen their math skills as they solve 15 problems that require them to add and subtract 4 digit numbers.

In this addition and subtraction worksheet, students use the number line to help them find the sum or difference to the 23 single or double digit problems.

In this addition and subtraction activity, students answer multiple choice questions about addition and subtraction in word problems. Students answer 10 questions using 2 and 3 digit numbers.

In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding the properties of whole numbers and order of operations. Students may submit their answers to be scored.

For this subtraction worksheet, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.

For this addition worksheet, students use the number line to help them find the missing numbers to complete the single and double digit addition facts. Students solve 23 problems.

In this addition and subtraction activity, students use the number line to help find the missing numbers for the 23 single and double digit problems.

An engaging learning game tests scholars' knowledge of how to make a number using addition. Several players race to pick two numbers that add up to a given sum. 

In this number words worksheet, students fill in the words that represent the numbers. Students write 10 words for the numbers total.

Use this greatest common factor worksheet to have your charges find the GCF of 3 numbers in each problem that are two and three-digit numbers. They complete 12 problems.

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 algebra worksheet, students simplify fractions using common denominators. They solve using addition and subtraction. There are 6 questions with an answer key.

This lesson has an explanation for adding two-digit numbers using paper and pencil. There is also a game to practice your skills. The game gives you a percent score of your correct answers, as well as running totals of your correct and...

Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...