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This page provides a list of educational videos related to Strategies Subtraction. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Strategies Subtraction.

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

Three digit-two digit subtraction with regrouping tens:grade 2

By university of Houston mathematics education

The video describes student strategies for three digit subtraction regrouping tens using concrete, pictorial and abstract models.

Three digit-two digit subtraction with regrouping:grade 2

By university of Houston mathematics education

The video describes a student strategy for subtraction with regrouping using concrete, pictorial and abstract models.

[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.

Subtracting 1 vs. subtracting 10 | Addition and subtraction within 100

By Khan Academy

Sal talks about the difference between subtracting 1 and subtracting 10.

Missing numbers in addition and subtraction | 2nd grade | Khan Academy

By Khan Academy

Sal solves missing number in problems like 73 = ___ + 57.

Relate addition and subtraction

By Khan Academy

See the relationship between 2+3=5, 5-2=3, and 5-3=2.

Addition and subtraction trig identities

By Khan Academy

Sal evaluates the cosine of twice anï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½angle whose right triangle is given. To do this, he must use the cosine double-angle formula.

Addition and subtraction trig identities

By Khan Academy

Sal evaluates the cosine of the sum of 60ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ and another angle whose right triangle is given. To do this, he must use the cosine angle addition formula.

Addition and subtraction with number lines

By Khan Academy

Sal figures out which number line matches up with a 2-digit addition or subtraction problem.

More examples of addition and subtraction of polynomials | Algebra II | Khan Academy

This instructor in this video, Sal Khan, discusses adding and subtracting polynomials. In an easy, conversational tone, the instructor explains processes clearly. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small.

Addition and subtraction trig identities

By Khan Academy

Sal reviews all the different trigonometric angle addition identities: sin(a+b), sin(a-c), cos(a+b), cos(a-b), cos(2a), and sin(2a).

[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