Lumos Video Store
This page provides a list of educational videos related to Solving Addition and Subtraction Problems. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Solving Addition and Subtraction Problems.
solve word problems using addition and subtraction of fractions
By Kathleen Twyman
how to solve a word problem using addition and subtraction of fractions
Addition and subtraction within 10
By Khan Academy
See how to solve a bunch of addition and subtraction problems with small numbers. All numbers in this video are 10 or less.
Solving 2-Step Word Problems | Good To Know | WSKG
By WSKG Public Media
solve two-step word problems using addition, subtraction, multiplication, and division.
MULTIPLYING FRACTIONS WORD PROBLEMS
By Mashup Math
Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators
Telling Time to the Minute
By Sabrina brown
the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes
Algebra for 4th Graders:CCSSM 4.NF.3d
By Henry Borenson
Use visual models and equations to represent and solve word problems involving addition and subtraction of fractions (4.NF.3d)
[4.NF.3d-1.0] Word Problems: Addition - Common Core Standard
By Freckle education
Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fractions models and equations to represent to problem.
Adding and Subtracting Angles: 4.MD.7
By TenmarksAmazon
Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts. Solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems
Addition Word Problems
By MathHelp.com
Students learn to solve addition and subtraction word problems. Note that key words for addition are: altogether total in all. Key words for subtraction are: left remaining more fewer increase go up grow decrease go down reduce. The key words for estimation are: estimate approximately. Instructor uses a white board. For fourth grade and up.
Addition Word Problems - YourTeacher.com - Math Help
By yourteachermathhelp
Students learn to solve addition and subtraction word problems. Note that key words for addition are: altogether total in all. Key words for subtraction are: left remaining more fewer increase go up grow decrease go down reduce. The key words for estimation are: estimate approximately. Instructor uses a white board. For fourth grade and up.
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 an������������angle 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 60������������ and another angle whose right triangle is given. To do this, he must use the cosine angle addition formula.
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).
More examples of addition and subtraction of polynomials | Algebra II | Khan Academy
By 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.
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.
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.
