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Three-Digit Subtraction with Counting Strategies: Grade 2
By university of Houston mathematics education
The video describes counting strategies using place value to subtract.
[3.NBT.2-2.0] Fluent Add/Sub - Common Core Standard - Word Problem
By Freckle education
Fluently subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
eSparkLearning: Adding & Subtracting within 1000 Framing Video (3NBT, Quest 3)
By espark learning videos
Adding & Subtracting within 1000 using strategies and algorithms based on place value, properties of operations
[3.NBT.2-1.0] Fluent Add/Sub - Common Core Standard
By Freckle education
Fluently add within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Division using place value understanding
By Khan Academy
Make division problems easier by thinking about place value and using the distributive property.
eSpark Learning: Apply Concepts of Place Value and Division Framing Video
By eSparkLearningVideos
This video illustrates how place value affects the value of a number.
Area models to visualize division using place value | 4th grade | Khan Academy
By Khan Academy
We can break up big division problems into smaller, easier problems. In this video, we solve 268 divided by 2 and 856 divided by 8.
More ways to think about multiplying | Multiplication and division | 4th grade | Khan Academy
By Khan Academy
When multiplying, it can be helpful to break numbers into parts.
[5.NBT.7-1.0] Operations on Decimals - Common Core Standard
By Front Row
Discover more Common Core Math at https://www.frontrowed.comAdd decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.Front Row is a free, adaptive, Common Core aligned math program for teachers and students in kindergarten through eighth grade. Front Row allows students to practice math at their own pace - learning advanced concepts when they're ready and receiving remediation when they struggle. Front Row provides teachers with access to a detailed data dashboard and weekly email reports that show which standards are causing students difficulty, what small groups can be formed for interventions, and how their students are progressing in math.Discover more Common Core Math at https://www.frontrowed.com
[5.NBT.7-3.0] Operations on Decimals - Common Core Standard
By Front Row
Discover more Common Core Math at https://www.frontrowed.comMultiply decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.Front Row is a free, adaptive, Common Core aligned math program for teachers and students in kindergarten through eighth grade. Front Row allows students to practice math at their own pace - learning advanced concepts when they 're ready and receiving remediation when they struggle. Front Row provides teachers with access to a detailed data dashboard and weekly email reports that show which standards are causing students difficulty, what small groups can be formed for interventions, and how their students are progressing in math.Discover more Common Core Math at https://www.frontrowed.com
Algebra Basics: What Is Algebra? - Math Antics
By Lumos Learning
This video gives an overview of Algebra and introduces the concepts of unknown values and variables. It also explains that multiplication is implicit in Algebra.
Four-Digit by One Digit Division (Equal Groups/Partial Quotients): Grade 4
By University Of Houstan Mathematics Education
Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value
3rd Grade Math Rap
By McCarthy Math Academy
With a little help from the group, Mindless Behavior, I have created a math video with lyrics to help my students to understand and apply core math skills for third grade. People of all ages can jam out to this one. Enjoy!
I've got a case of the operation blues.
Because I don't know which one I should use.
Look at the word problem for the clues.
The key words tell you how to choose.
Each means you multiply or you must divide.
Tryna find the total? Then you multiply
Total's in the problem? Then you must divide.
Not quick to solve it, draw it, get it right.
Addition's easy for me and you
Sum, In all, together, and total too.
When do you subtract? How many more?
Fewer? Left? Less? Difference in a score?
Place value's next. Disco on the " dess "
Ones, tens, hundreds, to the left
Thousands, Ten thousands, hundred...thousand
Say the name of the place, yeah.
The value's the amount of the place
For example, 2,060.
The value of the 2 is 2-0-0-0,
The value of the 6 is 6-0.
When you round, find and underline the place
Spotlight to the right, decide the digit's fate
5 or more, add 1 to the rounding place
4 or less, do nothing but walk away, (estimate)
A pen, penny is one, one cent
A Nic-kel is five, a dime is ten cents
25 for a quarter, George Washington
100 cents makes a dollar, there he goes again.
For pictographs, you gotta check out the key
One smiley face might really equal three
For bar graphs, pay attention to the scale
Think it's counting by ones, huh, you'll fail
Fractions are easy, just draw your best.
Here they go from least to greatest
1/12, 1/6, ¼, 1/3,
½, 2/3, ¾, Fraction nerd!
You see that number on top,
That's called the numerator
It describes the amount
That is being considered
And if you jump down from the fraction bar
Denominator
It's the total number of equal parts.
Let me give you an example:
Leslie Moin has some coins
A total of 9
2 happen to be pennies
While 7 are dimes.
What's the fraction of dimes?
How many coins? 9
How many dimes? 7
Say the fraction -- seven ninths
Length times width is Area
Distance around is Perimeter
Break down the GEOMETRY
3 sides makes triangle
4 sides = quadrilateral
5 pentagon, 6 hexagon
8 octagon, 10 decagon
Lines that never cross - PARALLEL
Lines that meet or cross - INTERSECTING
Lines that form right angles -- PERPENDICULAR
Same shape, same size -- CONGRUENT
Line that cuts in half - SYMMETRY
Up and Down - VERTICAL
Left to Right -- HORIZONTAL
An angle less than right - ACUTE
An angle opened wide - OBTUSE
Ninety degrees square corner - RIGHT ANGLE
Back to triangles
3 sides the same = equilateral
2 sides the same = isosceles
no sides the same = Hey, that's a scalene right!
So, that's it.
That's our math song.
Before we leave,
Remember to read
Your math problems three times before you answer.
That way you know what the problem
Is asking you to do.
Don't be lazy, be brilliant.
Piece! Like a fraction.