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653 resources with the concept number sense

27 Items in Collection
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Counting and Cardinality

For Teachers Pre-K - 2nd Standards
Counting and cardinality are key to building basic number sense in young mathematicians. Beginning with writing numbers to 10, the collection is organized so that each resource directly relates to, or builds upon, the previous one....
7 Items in Collection
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Grade 2 Supplement Set: Math

For Teachers 2nd Standards
What would be better for your second grade mathematicians? Grab this set of engaging lesson plans that will be the highlight of your students' day as they learn how to tell time, solve equations, add and subtract multi-digit numbers, and...
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Math Stars: a Problem-Solving Newsletter Grade 7

For Students 6th - 9th Standards
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
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Base Ten Cards (tens and ones)

For Students K - 2nd Standards
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways to build the numbers...
1 In 1 Collection
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Making Math More Fun

For Teachers K - 5th Standards
Trick young mathematicians into practicing their basic arithmetic with this extensive collection of fun math games. Whether you're teaching addition, subtraction, multiplication, division, place value, or even fractions, there is a game...
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Study Jams! Expanded Notation

For Students 3rd - 5th Standards
Teaching expanded notation is a great way to enhance young mathematicians' understanding of place value. This presentation explicitly describes the process, starting with the largest place value and working down, from left to right,...
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Grade 1: Composing 10

For Teachers 1st
How to make the number 10, let us count the ways! Kids discover different ways they can make the number 10 by adding two numbers together. They work as a class to come up with all the variations or equations that make 10 and then attempt...
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Points on a Number Line

For Students 4th - 6th
Using a number line can provide students with a concrete representation of the value various numbers hold. Sal plots 6 different numbers on a number line. He includes whole, decimal, and negative numbers.
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Decimal Place Value

For Students 3rd - 5th Standards
Having a good number sense is key to understanding place value. This video clearly explains the place values that comprise a decimal number. It is a very straight forward presentation and would be appropriate for grades 3, 4, or 5. Sal...
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Multiplying Fractions Word Problem

For Students 4th - 7th
Word problems are a great way to help learners visualize and understand why fractions are so important. Sal determines what fraction of 3/4 cup of oats he will need if he is making 1/2 a recipe. He uses drawings to demonstrate why one...
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Writing a Number in Expanded Form

For Students 3rd - 5th Standards
Understanding place value is a basic mathematics skill. This Khan Academy video shows students how to write the number 14,897 in the expanded form. He explains that the 7 in the ones place is the same as 7x1, the 9 in the tens place is...
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Place Value 2

For Students 3rd - 5th
Viewing this Khan Academy video helps with grasping the concept of Place Value. Learners write the word six hundred forty-five million, five hundred eight-four thousand, four hundred sixty-two in standard form, using multiplication as a...
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Rounding Whole Numbers 2

For Students 3rd - 5th Standards
This is the second in a series of 3 Khan Academy videos on rounding whole numbers. Students watch Sal Khan round the number 423,275 to the nearest thousand by looking to the number in the hundreds place. If it is 5 or higher, you round...
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Place Value 1

For Students 3rd - 5th Standards
Khan Academy assists your learner in grasping the concept of Place Value. Students will break down the number 4356 as 4 thousands + 3 hundreds + 5 tens + 6 ones, and then labels the number by place value. This video would be most helpful...
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Multiplying Whole Numbers and Applications 2

For Students 4th - 5th
If your students are learning how to multiply double-digit numbers, then this Khan Academy video could be a good way to introduce the topic. Students watch Sal multiply 2 double-digit numbers. He explains the full process and why a 0 is...
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Solving Percent Problems 2

For Students 5th - 7th Standards
Sal clarifies what it means when students see a percent problem such as 100 is what percent of 80? He explicitly defines what each component of the problem literally means and then clearly breaks down the process for solving the problem.
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Rounding Whole Numbers 1

For Students 3rd - 5th Standards
Rounding is an important skill which must be used throughout the study of mathematics. This Khan Academy video is the first in a series of 3. It shows how to round the number 24,259 to the nearest hundred, using a number line.
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Describing the Meaning of Percent

For Students 5th - 7th Standards
What does a percent actually mean? This resource describes the meaning of a percent using a 100 cube to illustrate what 20% literally represents. Great starter video on the topic of percents.
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Number Formation: 0 - 9

For Students K - 1st
Looking for a good set of worksheets to help your students gain practice in counting and writing numbers? Then this packet is for you! Utilize this 10-page packet to trace over the digits 1 - 9, and to practice counting objects and...
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Multiplying Whole Numbers and Applications 1

For Students 3rd - 5th
This is the first in a 5-part series on multiplying whole numbers and applications. This is the most basic presentation, and helps students see the connection between repeated addition and multiplication. Sal shows how to rewrite...
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Absolute Value of Integers

For Students 4th - 6th
Use this video to determine the absolute value of a given integer. Sal demonstrates how he uses a number line to determine an absolute value and explains it will always be the positive value of a given number.
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CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
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Mathematical Thinking: Crash Course Statistics #2

For Students 6th - 12th Standards
What is the probability that someone will draw the same lottery numbers two times in a row? Very small, but it can—and has—happened! Statisticians often work with very large or small numbers. The second lesson in a statistics playlist...
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Making Savvy Consumer Choices

For Teachers 7th - 8th Standards
It's never too early to learn about grocery budgeting. Middle schoolers delve into the world of consumer math with a lesson that focuses on both healthy choices and real-world math applications. Groups work together to form a grocery...