Numbers and Operations Teacher Resources
Find Numbers and Operations educational ideas and activities
Showing 81 - 100 of 10,470 resources
New Review Domains
Your algebra learners work to address the order of operations applied to an expression's input variable and the limitations that may be created because of it. This simple task of a few very well-chosen exercises is elegant in it's way of focusing operations on a single variable to build a function.
9th - 12th Math 3 Views 4 Downloads CCSS: Designed
Miss Integer Finds Her Properties in Order
Access prior knowledge to practice concepts like order of operations and exponents. Your class can play this game as a daily review or as a warm-up activity when needed. They work in groups of four to complete and correct review problems.
4th - 6th Math 43 Views 446 Downloads CCSS: Designed
Division of Decimals
Work with the class to investigate the concept of dividing decimals. They will use a variety of problem-solving skills in order to practice the operation of division. The teacher can use the dialogue to guide learners through the various aspects of the lesson.
4th - 6th Math 20 Views 164 Downloads
Order of Operations
Some terrific practice in solving math equations that have a specific order of operations component built into them. Some of the problems have parentheses, and all four operations are present in the problems. Pupils solve 50 problems and the answers appear at the bottom of the worksheet.
5th - 6th Math 221 Views 960 Downloads
Comparing and Estimating Fractions - Ohio Dept. of Education
Fourth graders complete fraction estimation and comparisons by studying physical and visual models of fractions. They work in partners to sort index cards into titled fraction groups. They review improper fractions, mixed numbers, and proper fractions and write what they learned about estimating fractions to one-half and whole numbers in their journals.
4th - 5th Math 14 Views 260 Downloads
Many Ways to Do Addition
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson is for young mathematicians to become aware of many ways of answering addition questions. Learners begin by solving a simple addition equation using paper and pencil, crayons, markers, number lines, manipulatives, or any other materials they may need.
Pre-K - 1st Math 79 Views 44 Downloads CCSS: Designed
Operation to Exploration: Order of Operations
Your mathematicians practice order of operations. When they solve a problem, the answer tells them how many steps to take. You indicate which compass direction to go and they pace their way to find hidden historic artifacts. It's a cross-curricular instructional activity disguised as pure fun!
4th - 6th Math 66 Views 214 Downloads CCSS: Designed
Choosing the Operation: Add or Subtract
Try a new approach to addition and subtraction by giving scholars the numbers but leaving out the sign. They must determine if the numbers have been added or subtracted, then write in the appropriate operation. There are a few examples here, and scholars complete 24 on their own.
2nd - 3rd Math 3 Views 28 Downloads CCSS: Designed
Complex Numbers (Part 2)
This video continues looking at dividing complex numbers by looking at the conjugate of a complex number. The instructor then uses the conjugate to rationalize the denominator of a rational expression with a complex number in the denominator.
9 mins 9th - 11th Math 3 Views 0 Downloads
Associative Law of Addition
The associative law of addition was confusing for my students, but it is totally necessary for understanding order of operations in later mathematics. In this video, Sal uses the associative law of addition to write the expression (77+2) +3 in a different way.
2 mins 5th - 7th Math 3 Views 10 Downloads
Complex Numbers (Part 1)
In this video, a complex number is defined and graphed on the complex plane. Sal also shows how to add, subtract, and multiply two complex numbers. He starts showing how to divide two complex numbers, but runs out of time and continues in the next video.
10 mins 9th - 11th Math 3 Views 0 Downloads
Multiplying Whole Numbers and Applications 4
Are your students learning about solving word problems involving multiplication? If they are, then this video could be a perfect complement to your lesson. Sal shows students how to use rounding to estimate the product of a double-digit multiplication problem.
2 mins 4th - 5th Math 3 Views 12 Downloads
Putting Numbers in Order, Numbers Up to 9,900
Put these big numbers in order! Fourth graders review the example at the top of the page before putting 16 sets of 4-digit numbers in order from smallest to largest. You can cut the three sections of problems into strips of paper for shorter activities.
3rd - 5th Math 24 Views 49 Downloads CCSS: Designed
How Do You Write a Whole Number Given in Words in Standard Form and in Expanded Form?
You are given a number that is written out in words and now you have to write it in numerical form, and you have to write it in expanded form. The teacher helps you identify the period values and the place values to write the words in standard form.
8 mins 5th - 8th Math 4 Views 12 Downloads CCSS: Adaptable
Squares of Numbers
Test your third graders with a math review worksheet, which features problems on square numbers and area. After finding the squares of increasingly large numbers (3-40), pupils solve for the areas of six squares. A great way to bring both algebra and geometry concepts to your class.
2nd - 4th Math 6 Views 41 Downloads CCSS: Designed
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems. They then write the numerical form of a number that is written out (two hundreds, seven tens, three ones, for example).
1st - 3rd Math 82 Views 229 Downloads CCSS: Designed