Human batteries, electric lemon, potato possibilities and more! The Curious Crew learns that batteries are used to change chemical energy [...]

Join Mrs. Gray for a subtraction word problem with Porfessor Barble! Get ready to solve word problems more than one way. You will discover a pattern to help you understand word problems that can have multiple answers!

Join Mrs. Markavich for a missing addend word problem with Professor Barble! Next we are going to spend some quality time with Value Pak as we learn to add by adding tens-and-tens then ones-and-ones!