Key Vocabulary:
addition: we 'regroup' a 'set of 10' to the next PV.
subtraction: we 'borrow' or 'unbundle' into a 'set of 10'.
Support videos for students, if they would like to review a concept or if they are absent:Move mouse over area to see link and then click mouse
Games to support learning, in a different way <although paper/pencil HW (passed out each Fri) will will be what is expected from all>:
1. developing comfort w. larger numbers (area of a circle isn't 4th grade, please don't encourage that particular game)
2. subtraction w. a zero +HARDEST CONCEPT w. this strategy and one MANY struggle with
3. other support: 'subtract across zeros'videos: video 1 , video 2 shortcut idea, 4th grade level video 2 (graph paper is helpful), song video , visual subtraction video (I included a variety of videos for a variety of learning styles).
And finally, an outstanding video to share with kids when they grow weary, supports perseverance. click here
Place Value Song Videos!
Shared with students and they enjoy, but also the videos firm their understanding!
1. Fancy Place Value video 2. Place Value -Parody to "Shake it off"
3. PV-'Rude' Parody 4. ALL ABOUT that PLACE VALUE (class fave!)
5. Reading large numbers song! 6. Intro PV and reading big #'s
7. Video for students who are struggling to understand PV 8. Value of a digit? How do I figure out?
9. Reading Big numbers FUN song! 10. Sound off song reading large numbers!
Parent support video
Addition and subtraction videos:
add: video 1 Khan Academy explains adding with place value chart video 2 video 3
subtraction: video 1- subtraction on a place value chart
video 2-subtraction 'counting on' using a number line modeled
video 3 adding/subtracting with a numberline
How to add large numbers, video support:
~~video 1 (place value disks explained-makes concept real for students- I always model starting in 1's column to prepare thinking for standard algorithm) )
~~video 2 ~~video 3, 2nd grade basic review/explanation
Place Value relationships:
1. Number forms-place value-music video- SWIFT STYLE(multiplying and dividing by 10)
2. Ten Times the value= Increase/decrease of value (x10 or /10) step by step HOW TO in case you were absent for the lesson: click here
Difference between rounding and estimating? click here
Rounding:
1. Example of why we need to round 2. Basic review rounding video 3. Odd number line idea rounding
4. number line rounding to thousands 5. Rounding bigger numbers 6. Vertical number lines
7. Another vertical number line tutorial
Rounding Concept review (if you were absent, or would like to review HOW to round large numbers)- videos from Learnzillion
Rounding to estimate sums??? How do I do that?
Increase (x10) or Decrease (/10) od place value? What is that? Videos to review: learnzillion