Numbers & Operations in Base Ten
(3.NBT.1)
Rounding To The Nearest 10 or 100
The Rounding Song
This InstructaBeat will give students a catchy way to remember the process of rounding!
Video Lesson
In this InstructaLesson, we introduce rounding and teach how to round, up to the thousands place!
(3.NBT.2)
Fluently Add And Subtract Within 1,000
Standard Algorithm of Subtraction Song
In this InstructaBeat, we go over the standard algorithm of subtraction!
Video Lesson
In this InstructaLesson, we discuss using expanded form to add 3-digit number!
Video Lesson
In this InstructaLesson, we discuss using standard algorithm to add 3-digit number!
Video Lesson
In this InstructaLesson, we discuss using expanded form to subtract 3-digit numbers with no regrouping!
Video Lesson
In this InstructaLesson, we discuss using expanded form to subtract 3-digit numbers with regrouping!
Video Lesson
In this InstructaLesson, we discuss using standard algorithm to subtract numbers with no regrouping!
Video Lesson
In this InstructaLesson, we discuss using standard algorithm to subtract 3-digit numbers with regrouping!
Video Lesson
In this InstructaLesson, we discuss using standard algorithm to subtract numbers and regroup across a zero!
Video Lesson
In this Tape Diagram lesson, we discuss using the part-whole model for addition!
Video Lesson
In this Tape Diagram lesson, we discuss using the part-whole model for subtraction!
Video Lesson
In this Tape Diagram lesson, we discuss using the part-whole model for adding and subtracting in word problems.