Here are some helpful videos for each standard:
NBT.1
Video:
www.youtube.com/watch?v=LXhvXjOyXCk
Song:
www.youtube.com/watch?v=VwjTUTUB2xw&t=68s
NBT.2
Explain and represent patterns in zeros when multiplying or dividing by a power of ten
http://learnzillion.com/lessonsets/413-explain-and-represent-patterns-in-zeros-when-multiplying-or-dividing-by-a-power-of-ten
Explain the patterns in zeros when multiplying or dividing by a power of ten
http://learnzillion.com/lessonsets/382-explain-the-patterns-in-zeros-when-multiplying-or-dividing-by-a-power-of-ten
Explaining patterns in zeros and decimals when multiplying and dividing by powers of 10
http://learnzillion.com/lessonsets/225-explaining-patterns-in-zeros-and-decimals-when-multiplying-and-dividing-by-powers-of-10
NBT.3a
Read and write decimals to the thousandths
http://learnzillion.com/lessonsets/638-read-and-write-decimals-to-the-thousandths
Reading and writing decimals to the thousandths in numeric, word, and expanded form
http://learnzillion.com/lessonsets/134-reading-and-writing-decimals-to-the-thousandths-in-numeric-word-and-expanded-form
NBT.3b
Compare two decimals to thousandths using >, =, and <
http://learnzillion.com/lessonsets/234-compare-two-decimals-to-thousandths-using-and-
Comparing and ordering decimals
http://learnzillion.com/lessonsets/22-comparing-and-ordering-decimals
NBT.4
Round decimals to any place
http://learnzillion.com/lessonsets/416-round-decimals-to-any-place
Rounding decimals to any place using number lines
http://learnzillion.com/lessonsets/212-rounding-decimals-to-any-place-using-number-lines
NBT.5
NBT.6
NBT.7
Adding and subtracting decimals to hundredths
http://learnzillion.com/lessonsets/189-adding-and-subtracting-decimals-to-hundredths
Adding and subtracting decimals to hundredths
http://www.learnalberta.ca/content/me5l/html/math5.html?goLesson=7
Multiplying and dividing by decimals to the hundredths
http://learnzillion.com/lessonsets/229-multiplying-and-dividing-by-decimals-to-the-hundredths