Numbers and Operations Teacher Resources

Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.

These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...

Challenge your fifth graders with a worksheet on rounding decimals. Each section provides three columns of decimals and a space for pupils to round them to the nearest tenth. This makes a nice homework assignment, or a timed in-class test.

In need of some subtraction practice? Here is a good review or quiz activity to reinforce your subtraction lesson. Twenty-four problems include subtracting two-digit numbers, most of which involve carrying. The last fifteen problems use...

Use this basic instructional activity to practice two-digit subtraction in your second grade class. Learners solve three sections of problems, two of which involve money symbols, and write their answers in space provided. All problems...

For a quick subtraction drill, these 17 problems are a great addition to your math lesson. All problems use multiples of ten, ranging from 10 to 90. Use the activity as a timed quiz or more thorough review assignment.

Each slide contains a group of animals and an equation that adds up to 10. However each equation is missing a number, learners attempt to determine the missing addend to revile the number of animals hiding under the cloud. A fun,...

Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.

Count the animals in each group and add to make the number 10. This slide show provides learners with the opportunity to see how many different way they can count on to make 10. Cute animals and large exciting number make this a great...

The logic, rhythm, and beauty of math sometimes get lost amidst numbers and variables. Amplify math's lyricism with a poetry project that uses metaphors and similes to compare mathematical concepts to other images.

Turning words into numbers and symbols sounds like the art of writing an algebraic expression. Young scholars first observe a lesson presentation outlining strategies for writing expressions. They then use one of the included worksheets...

Comparing fractions, it is just not the same as comparing whole numbers. The video starts with fractions with common denominators and moves on to comparing fractions that are not as obvious. Scholars learn two techniques, cross...

Apply decimal operations to solving equations. Learners first observe two examples of one-step linear equations being solved. They then watch as each equation is solved by either adding or subtracting decimals using strategies they...

Why is it important for judges to operate independently of politics or other branches of government? Scholars ponder the question as they examine video clips, case studies, excerpts of the US Constitution, and an interactive computer...

For a change, order does not matter. A short video provides a definition of the commutative property of addition. Pupils develop an understanding that—unlike some operations—order does not matter for addition problems.

The 15th segment in a series of 22 uses examples that present proportional relationships with fractions. Pupils work through the problems and discover that the process is the same as it is with whole number values. Graphing the...

In this language arts instructional activity, students learn to understand the words for the numbers as well as the names of the math operations. Students analyze and problem solve three multi- step problems, writing all answers in word...

Students play a math game which assesses their mastery of selecting the appropriate operation to solve specific problems.

In this make 24 numbers worksheet, 6th graders solve and complete 12 different sets of numbers that create numbers. First, they write 4 numbers from 1 to 9 and use the operations to create a number sentence that equals 24 for each set of...

Second graders discuss the reasons for rules after reading Clean Your Room, Harvey Moon. Connecting the need for rules to math, they play a game called What's My Rule? using spinners to apply operations to given numbers. Working in...

Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.

In this math pyramid activity, students add the adjacent numbers together and write their sum in the block above them in six math pyramid's.

First graders problem solve using the concepts of doubling and halving numbers as previews for finding multiples and working with fractions. They determine how to find half of a set of objects and work with sums up to 16. They work with...

Students use manipulatives to explore the notation of addition and gain experience with independent practice. They demonstrate their knowledge by performing the operation on the board with magnets, on their own felt work mat then on...