Estimation and Number Theorgy
Videos
Videos
Round to the nearest hundred – Khan Academy
Rounding - Math Antics
Round using a number line 4.NBT.A.3 – LearnZillion
Round to a specific number 4.NBT.A.3 – LearnZillion
Rounding in real world situations 4.NBT.A.3 – LearnZillion
Rounding whole numbers missing digit – Khan Academy
Rounding whole numbers word problems – Khan Academy
Factors for the first time – Pow Toons
Factor T Chart – Michaela SicuranzaYou Tube
Multiples vs. Factors – Math with Mr. J
Prime and Composite Numbers – Math with Mr. J
Virtual Manipulatives
Virtual Manipulatives
Number Line – Math Learning Center
Number Line – Didax
Vocabulary
Vocabulary
Factor
Greatest common factor
Multiple
Least common multiple