Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...

From the highest high to the lowest low here's a resource that won't fall flat. Given data on the area and the highest and lowest elevations of each of the 50 states, learners decide which states are the least flat and the most flat. Of...

Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...

Doubling a network or combining two networks is quick and easy when utilizing matrices. Learners continue the network example in the second lesson of this series. They practice adding, subtracting, and multiplying matrices by a scalar...

Discover how combinations are different from permutations. In the third installment of a 21-part module, scholars learn how to determine combinations of objects. They learn to distinguish between situations where order is important and...

Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...

Take any number, multiply it by five, and then divide by five. Did you end up with the original number? In the same vein as the previous lesson, pupils discover the relationship between multiplication and division. They develop the...

If you're looking for a description of the major happenings of the presidencies of both Thomas Jefferson and James Madison, then this is the resource for you. Similar to a textbook reading, this learning exercise offers a great deal of...

In this integers worksheet, 5th graders solve and complete 4 different types of problems. First, they add negative integers by adding the absolute values and placing the negative sign in front. Then, 5th graders add integers with...

In this math activity, students are given 30 problems to solve involving the distributive property, variables, parentheses, and area problems. The final set of problems asks students to solve problems mentally, without writing them down,...

By the end of this section, you will be able to understand the rules of vector addition, subtraction, and multiplication and to apply graphical methods of vector addition and subtraction to determine the displacement of moving objects.

In this exercise, students practice addition and subtraction word problems 1. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Solve word problems with addition and subtraction without regrouping. Then test your knowledge.

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to solve word problems about length and distance that involve any of the four operations. Includes video demonstrating a...

In this exercise, students practice integer addition and subtraction with substitution. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Practice seeing how addition and subtraction are related. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] The video is a 2 part word problem using addition and subtraction of 2-digit numbers. The video is followed by practice problems to assess student understanding of...

Young scholars explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.

Students may compare, join, separate numbers to solve these story problems. These are the tougher kinds of problems! There are also some of the more traditional, "easier" part/part/whole type of story problems here, as well.

This learning games focuses on addition and subtraction by filling in the missing number. At the end children can use the arrows on the computer to work a boy through a maze.

On this interactive site students learn to write 2-digit numbers, count forward and backward by tens and show subtraction facts.

This complete lesson plan has students answer word problems using addition and subtraction within 20.

Sing a song, practice step by step and assess your knowledge on the properties of addition with this interactive lesson.

Solve problems step by step by addition with regrouping.