lesson IN19
lesson 13.1
lesson 13.2
lesson 13.3
lesson 13.4
using a visual array
understanding decomposing using just the numbers
Snappy Math- array
Snappy Math- repeated addition
Kahn Academy - repeated addition
Mr. Anker -time to the minute (Use the Mr. Anker link above to find many others)
Mr. Anker- What time will it be?