Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...

Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10. 

Need help with mental math in your classroom? This guide is full of tips, tricks, and examples to help the teacher encourage learners to use their brain instead of a calculator. Practice problems are included with reasons how...

Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive learning exercise is...

What's the mystery picture? Pupils solve the subtraction problems in each square. Then they use the key at the bottom to determine the color of the square. 

Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...

Exercise those mental math muscles! This activity contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...

Students use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...

Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.

In this finding the differences worksheet, students subtract one-digit and two-digit from numbers to twenty. Students solve 40 problems.

All hail the king! Young mathematicians put their skills to the test as they strive to become the king of math.

A Thanksgiving-themed interactive boosts addition, subtraction, multiplication, and division facts. Using the keyboard's arrows, players navigate a turkey through a maze, gobbling up as many berries as possible without getting tagged by...

A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...

Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems. 

Challenge your class with 20 subtraction problems. Learners will subtract single and double-digit numbers up to 20 with a number line.

In this math activity, students are given 21 percentage problems which they are to work out mentally. There are story problems, tables and simple conversion.

Students explore subtraction. In this mathematics lesson plan, students practice how to subtract numbers from 20, 100 and other whole numbers. Students realize that there are number bonds which can help with subtraction like 3 and 17...

Test scholars mathematic skills with an assessment addressing addition, subtraction, multiplication, place value, measurement, geometric shapes, expanded notation; and their ability to compare numbers, write number...

Two online lessons, one in math and one in language arts, are here for you. In them, learners play online games which reinforce important skills in literacy and numeracy. The thing I like about both of these lessons is that they get the...

Learners participate in an online computation game. In this computation lesson, students practice simple computations and use an internet site to review addition and subtraction facts.

Second graders subtract numbers 0 through 10 from 2 digit numbers using different subtraction methods. In this subtraction lesson plan, 2nd graders practice crossing out numbers in a number line, using a 10, and using their fingers to...

For this math worksheet, students solve twenty subtraction problems with addends up to 12 written horizontally.

For this subtraction, up to twelve learning exercises, students use the number line at the top to help them correctly answer 20 subtraction problems.

For this subtraction practice activity, students solve 20 problems requiring them to subtract one- or two-digit numbers from two-digit numbers.